CN207886739U - For the extraction equipment in the preparation process of cannabidiol - Google Patents
For the extraction equipment in the preparation process of cannabidiol Download PDFInfo
- Publication number
- CN207886739U CN207886739U CN201721929199.1U CN201721929199U CN207886739U CN 207886739 U CN207886739 U CN 207886739U CN 201721929199 U CN201721929199 U CN 201721929199U CN 207886739 U CN207886739 U CN 207886739U
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- China
- Prior art keywords
- extraction
- kettle
- cannabidiol
- preparation process
- carbon dioxide
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- 238000000605 extraction Methods 0.000 title claims abstract description 50
- QHMBSVQNZZTUGM-ZWKOTPCHSA-N cannabidiol Chemical compound OC1=CC(CCCCC)=CC(O)=C1[C@H]1[C@H](C(C)=C)CCC(C)=C1 QHMBSVQNZZTUGM-ZWKOTPCHSA-N 0.000 title claims abstract description 33
- QHMBSVQNZZTUGM-UHFFFAOYSA-N Trans-Cannabidiol Natural products OC1=CC(CCCCC)=CC(O)=C1C1C(C(C)=C)CCC(C)=C1 QHMBSVQNZZTUGM-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 229950011318 cannabidiol Drugs 0.000 title claims abstract description 32
- ZTGXAWYVTLUPDT-UHFFFAOYSA-N cannabidiol Natural products OC1=CC(CCCCC)=CC(O)=C1C1C(C(C)=C)CC=C(C)C1 ZTGXAWYVTLUPDT-UHFFFAOYSA-N 0.000 title claims abstract description 32
- PCXRACLQFPRCBB-ZWKOTPCHSA-N dihydrocannabidiol Natural products OC1=CC(CCCCC)=CC(O)=C1[C@H]1[C@H](C(C)C)CCC(C)=C1 PCXRACLQFPRCBB-ZWKOTPCHSA-N 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000004090 dissolution Methods 0.000 claims abstract description 37
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 27
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 27
- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 14
- 238000002525 ultrasonication Methods 0.000 claims abstract description 8
- 238000003815 supercritical carbon dioxide extraction Methods 0.000 claims abstract description 4
- 229960004424 carbon dioxide Drugs 0.000 claims description 29
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 15
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 235000019441 ethanol Nutrition 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 229910002090 carbon oxide Inorganic materials 0.000 claims description 3
- 238000000527 sonication Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 244000025254 Cannabis sativa Species 0.000 description 9
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 8
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 8
- 235000009120 camo Nutrition 0.000 description 8
- 235000005607 chanvre indien Nutrition 0.000 description 8
- 239000011487 hemp Substances 0.000 description 8
- 239000000284 extract Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000013589 supplement Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 241000218236 Cannabis Species 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000007115 recruitment Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- XKZQKPRCPNGNFR-UHFFFAOYSA-N 2-(3-hydroxyphenyl)phenol Chemical compound OC1=CC=CC(C=2C(=CC=CC=2)O)=C1 XKZQKPRCPNGNFR-UHFFFAOYSA-N 0.000 description 1
- 244000198134 Agave sisalana Species 0.000 description 1
- 235000011624 Agave sisalana Nutrition 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 208000005392 Spasm Diseases 0.000 description 1
- CYQFCXCEBYINGO-UHFFFAOYSA-N THC Natural products C1=C(C)CCC2C(C)(C)OC3=CC(CCCCC)=CC(O)=C3C21 CYQFCXCEBYINGO-UHFFFAOYSA-N 0.000 description 1
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000000049 anti-anxiety effect Effects 0.000 description 1
- 230000003110 anti-inflammatory effect Effects 0.000 description 1
- 239000002249 anxiolytic agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- CYQFCXCEBYINGO-IAGOWNOFSA-N delta1-THC Chemical compound C1=C(C)CC[C@H]2C(C)(C)OC3=CC(CCCCC)=CC(O)=C3[C@@H]21 CYQFCXCEBYINGO-IAGOWNOFSA-N 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 229960004242 dronabinol Drugs 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003400 hallucinatory effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The utility model is related to chemical industry extraction equipment technical fields, specifically, the extraction equipment in being related to a kind of preparation process for cannabidiol.The device is supercritical carbon dioxide extraction apparatus, including extraction kettle and separating still, separating still is connected to filter, No.1 heat exchanger is set between separating still and filter, filter outlet and carbon dioxide air pump are connected to compression pump, compression pump is also connected to extraction kettle, and No. two heat exchangers are arranged between compression pump and extraction kettle.Wherein, extraction kettle solution inlet is connected to dissolution kettle, and agitating device, ultrasonication device and temperature regulating device, temperature regulating device are arranged in dissolution kettle and is connect with No.1 heat exchanger and No. two heat exchangers.The device leads to ultrasonic disruption device, agitating device and temperature regulating device effect before extraction, improves the dissolution rate of cannabidiol, improves the active principle content being obtained by extraction, and is that temperature regulating device improves energy, very energy conservation and environmental protection by heat exchanger.
Description
Technical field
The utility model is related to chemical industry extraction equipment technical fields, specifically, being related to a kind of system for cannabidiol
Extraction equipment in standby technique.
Background technology
Cannabidiol is a kind of main chemical compositions in medicinal plant hemp, extracts from female hemp plant, is hemp
In non-additive ingredient, there are anti-spasm, antianxiety, the pharmacological actions such as anti-inflammatory.Cannabidiol can not only act on a variety of
The treatment of difficult diseases can also effectively eliminate the hallucinogenic action that tetrahydrocannabinol generates human body.
Cannabidiol is usually obtained from the plant of industrial hemp, and conventional production technology is obtained using extraction.Hemp
The industrial extraction of diphenol is mainly extracted using supercritical carbon dioxide extraction method, because of supercritical carbon dioxide
Have the characteristics that diffusion coefficient is big, viscosity is small, dielectric constant is big, therefore separating effect is very good, can be arranged in extraction process
Except influences such as light-exposed reaction, oxidation reactions, the chemical property for being purified substance can be kept, and be highly susceptible to detaching.
Conventional supercritical extracting equipment is when extracting hemp floral leaf, due in the cannabis leaf cell after crushing
Cannabidiol fail to be completely dissolved in a solvent, therefore it is relatively low to be obtained by extraction active principle content, and extraction process
Need to carry out multiple heat transfer process, high energy consumption, capacity usage ratio is low.
Utility model content
The content of the utility model is to provide the extraction equipment in a kind of preparation process for cannabidiol.The device can
Fully to dissolve and extract the cannabidiol in hemp cell, the active constituent content higher of acquisition, and can be right
The energy of extraction process is efficiently used, very energy conservation and environmental protection.
Extraction equipment in a kind of preparation process for cannabidiol according to the present utility model, the device are overcritical
Carbon dioxide extraction apparatus, includes the extraction kettle and separating still being connected to by No.1 valve, and separating still outlet passes through No. two valves
Be connected to filter, No.1 heat exchanger be set between separating still and filter, filter outlet and carbon dioxide air pump with compression
Pump intake is connected to, and compression pump discharge is connected to the extractant entrance of extraction kettle, and No. two heat exchange are arranged between compression pump and extraction kettle
Device, extraction kettle solution inlet are connected to dissolution kettle, and agitating device and ultrasonication device, ultrasonic disruption dress are arranged in dissolution kettle
The operating frequency range set is 22-25KHz；Temperature regulating device, temperature regulating device and No.1 heat exchanger and No. two are also set up in dissolution kettle
Heat exchanger connects.
Wherein, No.1 heat exchanger provides energy for pressurized liquid carbon dioxide vaporescence, and No. two heat exchangers are by compression pump
The compressed liquid carbon dioxide temperature of discharge is reduced to room temperature.
The course of work of the utility model is as follows：Hemp floral leaf drying and crush after be sent in dissolution kettle carry out it is molten
Solution, the agitating device in dissolution kettle and ultrasonic disruption device, are stirred solution and ultrasonication, ensure hemp floral leaf
Cannabidiol substance in cell is completely dissolved in a solvent, and then solution is sent in extraction kettle and carries out overcritical titanium dioxide
Carbon extracts, and cannabidiol is dissolved in supercritical carbon dioxide after extraction, then the cannabidiol solution of supercritical carbon dioxide
Into separating still, after separation, cannabidiol medicinal extract is discharged from separating still bottom, and carbon dioxide is discharged through separating still upper end,
Carbon dioxide is filtered into the clean gas of room temperature after No.1 heat exchanger and filter, and then compressed pump is changed with No. two
Hot device effect becomes above-critical state substance and participates in extraction process again.
Wherein, the carbon dioxide gas that carbon dioxide air pump loses cyclic process supplements, while No.1 heat exchanger
With in No. two heat exchangers heat and cold be transferred in the temperature regulating device in dissolution kettle by medium, for controlling in dissolution kettle
Reaction temperature, realize efficiently using for energy, energy conservation and environmental protection.
Preferably, ultrasonication device includes supersonic generator and energy converter, and sound insulation chamber is arranged outside dissolution kettle.
In the utility model, ultrasonic disruption device is for improving dissolving of the cannabidiol in the solvent in dissolution kettle
Amount, improves the active constituent content that extraction process obtains, and sonic generator and energy converter are this for converting electrical energy into acoustic energy
Energy becomes minute bubbles intensive one by one by liquid medium, these minute bubbles are burst rapidly, the elephant bomblet one of generation
The energy of sample, to play the role of the substances such as smudge cells；And the sound insulation chamber outside dissolution kettle is for lowering acoustic energy in dissolution kettle
In loss.
Preferably, temperature sensor is set in dissolution kettle, and temperature sensor is connect with temperature alarm.
In the utility model, temperature sensor is used to detect the temperature change in dissolution kettle, and temperature is excessively high to lead to chemistry
Substance is denaturalized, and the too low solubility that can reduce active ingredient of temperature, therefore passes through the anti-of temperature sensor and temperature regulating device
Feedback coordinative role accurately controls the temperature in dissolution kettle, while under the excessively high abnormal conditions of temperature, by temperature alarm into
Row alarm, reminding technology personnel are coped in time.
Preferably, No. three valves of setting and gas gauge between carbon dioxide air pump and compression pump intake.
In the utility model, No. three valves have carried out air source supplement for controlling carbon dioxide air pump, while passing through air-flow
Gauge accurately controls magnitude of recruitment.
Preferably, the solvent in dissolution kettle is methanol or ethyl alcohol.
It in the utility model, is dissolved by methanol and ethyl alcohol, is conducive to subsequently be extracted and detached, and this is molten
Agent non-oxidation reproducibility does not have an impact the property of the chemical substances such as cannabidiol.
Description of the drawings
Fig. 1 is the structure diagram for the extraction equipment in the preparation process of cannabidiol in embodiment 1；
Fig. 2 is the structural schematic diagram of dissolution kettle in embodiment 1.
Specific implementation mode
To further appreciate that the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
It should be understood that embodiment be only to the utility model explain and and it is non-limiting.
Embodiment 1
In conjunction with shown in Fig. 1 and 2, the extraction equipment in a kind of preparation process for cannabidiol is present embodiments provided,
The device is supercritical carbon dioxide extraction apparatus, includes the extraction kettle 2 being connected to by No.1 valve and separating still 3, separating still 3
Outlet is connected to filters 5 by No. two valves, is arranged No.1 heat exchanger 4 between separating still 3 and filter 5, the outlet of filter 5 and
Carbon dioxide air pump 8 is connected to 6 entrance of compression pump, and the outlet of compression pump 6 is connected to the extractant entrance of extraction kettle 2, compression pump 6
No. two heat exchangers 7 are set between extraction kettle 2, and 2 solution inlet of extraction kettle is connected to dissolution kettle 1, setting stirring dress in dissolution kettle 1
12 and ultrasonication device 11 are set, the operating frequency range of ultrasonic disruption device 11 is 22-25KHz；It is also set up in dissolution kettle 1
Temperature regulating device 9, temperature regulating device 9 are connect with No.1 heat exchanger 4 and No. two heat exchangers 7.
Wherein, No.1 heat exchanger 4 provides energy for pressurized liquid carbon dioxide vaporescence, and No. two heat exchangers 7 will compress
The compressed liquid carbon dioxide temperature of 6 discharge of pump is reduced to room temperature.
The course of work of the present embodiment is as follows：It is sent in dissolution kettle 1 and is dissolved after hemp floral leaf drying and crushing,
Agitating device 12 in dissolution kettle 1 and ultrasonic disruption device 11, are stirred solution and ultrasonication, ensure cannabis
Cannabidiol substance in leaf cell is completely dissolved in a solvent, and then solution is sent in extraction kettle 2 and carries out overcritical two
Carbonoxide extracts, and cannabidiol is dissolved in supercritical carbon dioxide after extraction, then the cannabidiol of supercritical carbon dioxide
Solution enters separating still 3, and after separation, cannabidiol medicinal extract is discharged from 3 bottom of separating still, and carbon dioxide is through on separating still 3
End discharge, carbon dioxide are filtered into the clean gas of room temperature after No.1 heat exchanger 4 and filter 5, then compressed pump
6 and the effect of No. two heat exchangers 7 become above-critical state substance again and participate in extraction process.
Wherein, the carbon dioxide gas that carbon dioxide air pump 8 loses cyclic process supplements, while No.1 heat exchanger
4 and the heat in No. two heat exchangers 7 and cold be transferred in the temperature regulating device 9 in dissolution kettle 1 by medium, for controlling dissolving
Reaction temperature in kettle 1 realizes efficiently using for energy, energy conservation and environmental protection.
Ultrasonication device 11 includes supersonic generator and energy converter, and sound insulation chamber 13 is arranged outside dissolution kettle 1.
In the present embodiment, ultrasonic disruption device 11 is for improving dissolving of the cannabidiol in the solvent in dissolution kettle 1
Amount improves the active constituent content that extraction process obtains, and supersonic generator and energy converter are used to convert electrical energy into acoustic energy, this
Kind of energy becomes minute bubbles intensive one by one by liquid medium, these minute bubbles are burst rapidly, the elephant bomblet of generation
The same energy, to play the role of the substances such as smudge cells；And the sound insulation chamber 13 outside dissolution kettle 1 is for lowering acoustic energy molten
Solve the loss in kettle 1.
Temperature sensor is set in dissolution kettle 1, and temperature sensor is connect with temperature alarm.
In the present embodiment, temperature sensor is used to detect the temperature change in dissolution kettle 1, and temperature is excessively high to lead to chemicals
Qualitative change, and the too low solubility that can reduce active ingredient of temperature, therefore pass through the feedback of temperature sensor and temperature regulating device
Coordinative role accurately controls the temperature in dissolution kettle 1, while under the excessively high abnormal conditions of temperature, being carried out by temperature alarm
Alarm, reminding technology personnel are coped in time.
No. three valves and gas gauge are set between 6 entrance of carbon dioxide air pump 8 and compression pump.
In the present embodiment, No. three valves have carried out air source supplement for controlling carbon dioxide air pump 8, while passing through throughput
Meter accurately controls magnitude of recruitment.
Solvent in dissolution kettle 1 is methanol or ethyl alcohol.
It in the present embodiment, is dissolved by methanol and ethyl alcohol, is conducive to subsequently be extracted and detached, and the solvent
Non-oxidation reproducibility does not have an impact the property of the chemical substances such as cannabidiol.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in also be the utility model one of embodiment, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (7)
1. for the extraction equipment in the preparation process of cannabidiol, which is supercritical carbon dioxide extraction apparatus, including
The extraction kettle and separating still being connected to by No.1 valve, it is characterised in that：The separating still outlet was connected to by No. two valves
Filter, is arranged No.1 heat exchanger between separating still and filter, filter outlet and carbon dioxide air pump with compression pump intake
Connection, compression pump discharge are connected to the extractant entrance of extraction kettle, and No. two heat exchangers are arranged between compression pump and extraction kettle, described
Extraction kettle solution inlet is connected to dissolution kettle, and agitating device and ultrasonication device are arranged in dissolution kettle, is also set up in dissolution kettle
Temperature regulating device, temperature regulating device are connect with No.1 heat exchanger and No. two heat exchangers.
2. the extraction equipment in the preparation process according to claim 1 for cannabidiol, it is characterised in that：Described one
Number heat exchanger provides energy, the compressed liquid two that compression pump is discharged No. two heat exchangers for pressurized liquid carbon dioxide vaporescence
Carbonoxide temperature is reduced to room temperature.
3. the extraction equipment in the preparation process according to claim 1 for cannabidiol, it is characterised in that：It is described super
Sound breaker includes supersonic generator and energy converter, and sound insulation chamber is arranged outside dissolution kettle.
4. the extraction equipment in the preparation process according to claim 1 for cannabidiol, it is characterised in that：It is described molten
Temperature sensor is set in solution kettle, temperature sensor is connect with temperature alarm.
5. the extraction equipment in the preparation process according to claim 1 for cannabidiol, it is characterised in that：Described two
No. three valves of setting and gas gauge between carbonoxide air pump and compression pump intake.
6. the extraction equipment in the preparation process according to claim 1 for cannabidiol, it is characterised in that：It is described super
The operating frequency range of sonication device is 22-25KHz.
7. the extraction equipment in the preparation process according to claim 1 for cannabidiol, it is characterised in that：Dissolution kettle
In solvent be methanol or ethyl alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721929199.1U CN207886739U (en) | 2017-12-30 | 2017-12-30 | For the extraction equipment in the preparation process of cannabidiol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721929199.1U CN207886739U (en) | 2017-12-30 | 2017-12-30 | For the extraction equipment in the preparation process of cannabidiol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207886739U true CN207886739U (en) | 2018-09-21 |
Family
ID=63551138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721929199.1U Expired - Fee Related CN207886739U (en) | 2017-12-30 | 2017-12-30 | For the extraction equipment in the preparation process of cannabidiol |
Country Status (1)
| Country | Link |
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| CN (1) | CN207886739U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110314408A (en) * | 2019-08-01 | 2019-10-11 | 昆明萃醍生物科技有限公司 | A kind of extraction process of high-purity cannabidiol |
| CN110420478A (en) * | 2019-08-21 | 2019-11-08 | 李卫 | A kind of cannabidiol extraction element |
| TWI728523B (en) * | 2018-10-24 | 2021-05-21 | 喬治 斯特徹夫 | Apparatus and method for removing a component from a solution |
| US11040932B2 (en) | 2018-10-10 | 2021-06-22 | Treehouse Biotech, Inc. | Synthesis of cannabigerol |
| CN113117372A (en) * | 2021-04-01 | 2021-07-16 | 南通睿智超临界科技发展有限公司 | Ultrasonic reinforced supercritical fluid extraction device |
| US11084770B2 (en) | 2016-12-07 | 2021-08-10 | Treehouse Biotech, Inc. | Cannabis extracts |
| US11202771B2 (en) | 2018-01-31 | 2021-12-21 | Treehouse Biotech, Inc. | Hemp powder |
| KR102351080B1 (en) * | 2021-07-23 | 2022-01-14 | 이용수 | Extraction method and extraction system thereof |
-
2017
- 2017-12-30 CN CN201721929199.1U patent/CN207886739U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11084770B2 (en) | 2016-12-07 | 2021-08-10 | Treehouse Biotech, Inc. | Cannabis extracts |
| US11202771B2 (en) | 2018-01-31 | 2021-12-21 | Treehouse Biotech, Inc. | Hemp powder |
| US11040932B2 (en) | 2018-10-10 | 2021-06-22 | Treehouse Biotech, Inc. | Synthesis of cannabigerol |
| TWI728523B (en) * | 2018-10-24 | 2021-05-21 | 喬治 斯特徹夫 | Apparatus and method for removing a component from a solution |
| CN110314408A (en) * | 2019-08-01 | 2019-10-11 | 昆明萃醍生物科技有限公司 | A kind of extraction process of high-purity cannabidiol |
| CN110314408B (en) * | 2019-08-01 | 2021-07-06 | 昆明萃醍生物科技有限公司 | Extraction process of high-purity cannabidiol |
| CN110420478A (en) * | 2019-08-21 | 2019-11-08 | 李卫 | A kind of cannabidiol extraction element |
| CN110420478B (en) * | 2019-08-21 | 2021-12-03 | 李卫 | Cannabidiol extraction element |
| CN113117372A (en) * | 2021-04-01 | 2021-07-16 | 南通睿智超临界科技发展有限公司 | Ultrasonic reinforced supercritical fluid extraction device |
| KR102351080B1 (en) * | 2021-07-23 | 2022-01-14 | 이용수 | Extraction method and extraction system thereof |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180921 |