DE4304427A1 - Offenporiger dimensionsstabiler Körper - Google Patents
Offenporiger dimensionsstabiler KörperInfo
- Publication number
- DE4304427A1 DE4304427A1 DE4304427A DE4304427A DE4304427A1 DE 4304427 A1 DE4304427 A1 DE 4304427A1 DE 4304427 A DE4304427 A DE 4304427A DE 4304427 A DE4304427 A DE 4304427A DE 4304427 A1 DE4304427 A1 DE 4304427A1
- Authority
- DE
- Germany
- Prior art keywords
- crystals
- degradable
- body according
- starting material
- soluble
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000013078 crystal Substances 0.000 title claims abstract description 31
- 239000011148 porous material Substances 0.000 title claims abstract description 24
- 239000003054 catalyst Substances 0.000 title claims abstract description 9
- 238000003860 storage Methods 0.000 title claims abstract description 5
- 229920001169 thermoplastic Polymers 0.000 title claims abstract description 4
- 239000004416 thermosoftening plastic Substances 0.000 title claims abstract description 4
- 239000000463 material Substances 0.000 title abstract description 5
- 238000009413 insulation Methods 0.000 title abstract 2
- 238000000465 moulding Methods 0.000 title abstract 2
- 239000002245 particle Substances 0.000 claims abstract description 20
- 239000007858 starting material Substances 0.000 claims abstract description 14
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 8
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 229920001397 Poly-beta-hydroxybutyrate Polymers 0.000 claims abstract description 5
- 229920000331 Polyhydroxybutyrate Polymers 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims abstract description 5
- 150000003839 salts Chemical class 0.000 claims abstract description 5
- 229920006238 degradable plastic Polymers 0.000 claims abstract description 4
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims abstract description 3
- 239000001913 cellulose Substances 0.000 claims abstract description 3
- 229920002678 cellulose Polymers 0.000 claims abstract description 3
- 229920002301 cellulose acetate Polymers 0.000 claims abstract description 3
- 229920001577 copolymer Polymers 0.000 claims abstract description 3
- 239000008103 glucose Substances 0.000 claims abstract description 3
- 239000004310 lactic acid Substances 0.000 claims abstract description 3
- 235000014655 lactic acid Nutrition 0.000 claims abstract description 3
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 claims abstract 3
- 238000000034 method Methods 0.000 claims description 16
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000008187 granular material Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- 239000003981 vehicle Substances 0.000 claims description 3
- 239000003937 drug carrier Substances 0.000 claims description 2
- -1 for example Substances 0.000 claims description 2
- 239000008240 homogeneous mixture Substances 0.000 claims description 2
- 239000003562 lightweight material Substances 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 229940070710 valerate Drugs 0.000 abstract description 4
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 abstract description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 abstract description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000005022 packaging material Substances 0.000 abstract description 2
- 230000002787 reinforcement Effects 0.000 abstract description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 abstract 1
- 235000015097 nutrients Nutrition 0.000 abstract 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 16
- 239000011780 sodium chloride Substances 0.000 description 8
- 239000000835 fiber Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000002920 hazardous waste Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 229920000704 biodegradable plastic Polymers 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 231100000219 mutagenic Toxicity 0.000 description 1
- 230000003505 mutagenic effect Effects 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2095—Tabletting processes; Dosage units made by direct compression of powders or specially processed granules, by eliminating solvents, by melt-extrusion, by injection molding, by 3D printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1638—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate
- B01D39/1653—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate of synthetic origin
- B01D39/1661—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate of synthetic origin sintered or bonded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
- B29C67/202—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored comprising elimination of a solid or a liquid ingredient
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/06—Filtering
- B60H3/0658—Filter elements specially adapted for their arrangement in vehicles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/26—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/2004—Excipients; Inactive ingredients
- A61K9/2022—Organic macromolecular compounds
- A61K9/2031—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, polyethylene oxide, poloxamers
- A61K9/204—Polyesters, e.g. poly(lactide-co-glycolide)
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Mechanical Engineering (AREA)
- Epidemiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Materials Engineering (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Filtering Materials (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH570/92A CH684273A5 (de) | 1992-02-25 | 1992-02-25 | Offenporiger dimensionsstabiler Körper. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE4304427A1 true DE4304427A1 (de) | 1993-10-21 |
Family
ID=4190065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE4304427A Withdrawn DE4304427A1 (de) | 1992-02-25 | 1993-02-14 | Offenporiger dimensionsstabiler Körper |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH684273A5 (it) |
| DE (1) | DE4304427A1 (it) |
| FR (1) | FR2687588A1 (it) |
| IT (1) | IT1260596B (it) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19521656A1 (de) * | 1995-06-14 | 1996-12-19 | New Ways Of Analytics Gmbh | Träger für einen Katalysator, Katalysatoreneinrichtung und Verfahren zu deren Herstellung |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19651734C2 (de) * | 1996-12-12 | 1999-05-12 | Dds Drug Delivery Service Ges | Zubereitung in Form eines Polymer-Hilfsstoff-Compounds und/oder eines Polymer-Wirkstoff-Compounds und Verfahren zu dessen Herstellung sowie dessen Verwendung zur Herstellung von Tabletten und/oder anderen größeren Matrixeinheiten |
| DE10200387B4 (de) * | 2002-01-08 | 2009-11-26 | Translumina Gmbh | Stent |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1051320A (en) * | 1964-01-13 | 1966-12-14 | W.R. Grace & Co. | Micro-porous polyethylene and a process for the manufacture thereof |
| FR2237667A1 (en) * | 1973-07-18 | 1975-02-14 | Equip Automobile Cie Fse | Coating polyurethane foam air filters with adhesive bound fibres - to increase dust retention by e.g. automobile filters |
| JPS618107A (ja) * | 1984-06-22 | 1986-01-14 | Mitsubishi Rayon Co Ltd | 微多孔質膜の製造法 |
| US4702917A (en) * | 1985-11-18 | 1987-10-27 | Research Triangle Institute | Porous bioabsorbable polyesters |
| DE3644588C1 (de) * | 1986-12-27 | 1988-03-10 | Ethicon Gmbh | Implantat und Verfahren zu seiner Herstellung |
| NL8703115A (nl) * | 1987-12-23 | 1989-07-17 | Groningen Science Park | Biodegradeerbare polyurethanen, daarop gebaseerde voortbrengselen, en polyesterpolyol prepolymeren. |
| JPH02261802A (ja) * | 1989-04-03 | 1990-10-24 | Sumitomo Cement Co Ltd | 多孔質キチン材料の製造方法 |
| NL9001642A (nl) * | 1990-07-19 | 1992-02-17 | Stamicarbon | Werkwijze voor het produceren van een implantaat met biporeuze structuur. |
-
1992
- 1992-02-25 CH CH570/92A patent/CH684273A5/de not_active IP Right Cessation
-
1993
- 1993-02-14 DE DE4304427A patent/DE4304427A1/de not_active Withdrawn
- 1993-02-19 IT ITTO930107A patent/IT1260596B/it active IP Right Grant
- 1993-02-23 FR FR9302035A patent/FR2687588A1/fr active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19521656A1 (de) * | 1995-06-14 | 1996-12-19 | New Ways Of Analytics Gmbh | Träger für einen Katalysator, Katalysatoreneinrichtung und Verfahren zu deren Herstellung |
Also Published As
| Publication number | Publication date |
|---|---|
| ITTO930107A0 (it) | 1993-02-19 |
| FR2687588A1 (fr) | 1993-08-27 |
| CH684273A5 (de) | 1994-08-15 |
| IT1260596B (it) | 1996-04-22 |
| ITTO930107A1 (it) | 1994-08-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |