BG26664A4 - - Google Patents

Info

Publication number: BG26664A4
Authority: BG; Bulgaria

Application number

BG7332612A

Priority date (The priority date 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 date listed.)

1972-01-28

Filing date

1973-01-29

Publication date

1979-05-15

1973-01-29 Application filed filed Critical

1979-05-15 Publication of BG26664A4 publication Critical patent/BG26664A4/xx

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/04—Purification; Separation; Use of additives by distillation
- C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
- C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Analytical Chemistry (AREA)
Oil, Petroleum & Natural Gas (AREA)
Water Supply & Treatment (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

BG7332612A 1972-01-28 1973-01-29 BG26664A4 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT19885/72A IT946986B (de)	1972-01-28	1972-01-28

Publications (1)

Publication Number	Publication Date
BG26664A4 true BG26664A4 (de)	1979-05-15

Family

ID=11162057

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
BG022561A BG25643A3 (bg)	1972-01-28	1973-01-29	Метод за извличане на изопрен от смеси,които го съдържат
BG7332612A BG26664A4 (de)	1972-01-28	1973-01-29
BG032612A BG26664A3 (bg)	1972-01-28	1976-03-15	Метод за отделяне на щопрен от смеси,които ги съдържат

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
BG022561A BG25643A3 (bg)	1972-01-28	1973-01-29	Метод за извличане на изопрен от смеси,които го съдържат

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
BG032612A BG26664A3 (bg)	1972-01-28	1976-03-15	Метод за отделяне на щопрен от смеси,които ги съдържат

Country Status (32)

Country	Link
US (1)	US3851010A (de)
JP (2)	JPS558969B2 (de)
AR (1)	AR197975A1 (de)
AT (1)	AT326090B (de)
AU (1)	AU474928B2 (de)
BE (1)	BE794552A (de)
BG (3)	BG25643A3 (de)
BR (1)	BR7300646D0 (de)
CA (1)	CA1000644A (de)
CH (1)	CH560656A5 (de)
CS (1)	CS171744B2 (de)
DD (1)	DD101662A5 (de)
DK (1)	DK138845B (de)
EG (1)	EG10798A (de)
ES (1)	ES411298A1 (de)
FR (1)	FR2169226B1 (de)
GB (1)	GB1417733A (de)
HU (1)	HU167370B (de)
IE (1)	IE38687B1 (de)
IN (1)	IN140240B (de)
IT (1)	IT946986B (de)
LU (1)	LU66905A1 (de)
NL (1)	NL174541C (de)
NO (1)	NO138448C (de)
PH (1)	PH11742A (de)
RO (2)	RO64406A (de)
SE (1)	SE397083B (de)
SU (1)	SU623514A3 (de)
TR (1)	TR18234A (de)
YU (1)	YU35562B (de)
ZA (1)	ZA73386B (de)
ZM (1)	ZM1273A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6021125B2 (ja) *	1976-12-20	1985-05-25	ジェイエスアール株式会社	イソプレンの精製法
US4128457A (en) *	1977-03-09	1978-12-05	Societa' Italiana Resine S.I.R. S.P.A.	Process for the separation of butadiene by plural stage extractive distillation
US4134795A (en) *	1978-04-05	1979-01-16	The Goodyear Tire & Rubber Company	Acetylenes removal from diolefin streams by extractive distillation
DE2911395C2 (de) *	1979-03-23	1985-03-14	Basf Ag, 6700 Ludwigshafen	Verfahren zur Gewinnung eines konjugierten Diolefins aus einem C↓4↓- oder C↓5↓-Kohlenwasserstoffgemisch
CA1146978A (en) *	1979-07-18	1983-05-24	Henricus S.A. Douwes	Process for the recovery of isoprene, and isoprene so recovered
JPS5828882U (ja) *	1981-08-20	1983-02-24	日本電産コパル株式会社	表示装置ユニツト
EP0130244A1 (de) *	1983-06-29	1985-01-09	The C.W. Nofsinger Company	Verfahren zur extraktiven Destillation zur Reinigung von Diolefinen
DE3338269A1 (de) *	1983-10-21	1985-05-02	Basf Ag, 6700 Ludwigshafen	Verfahren zur gewinnung von isopren aus einem c(pfeil abwaerts)5(pfeil abwaerts)-kohlenwasserstoffgemisch
JPS617283U (ja) *	1984-06-18	1986-01-17	住友電気工業株式会社	リニアモ−タ用リアクシヨンプレ−ト
US4629533A (en) *	1985-01-31	1986-12-16	Phillips Petroleum Company	Isolation of 3-methyl-1-butene from a hydrocarbon stream
US4570029A (en) *	1985-03-04	1986-02-11	Uop Inc.	Process for separating isoprene
CN1053881C (zh) *	1996-03-20	2000-06-28	中国石油化工总公司	一种裂解碳五馏份的分离方法
KR100458361B1 (ko) *	2001-09-25	2004-11-26	한국과학기술연구원	추출증류에 의하여 ｃ5 유분에서 이소프렌을 분리하는 방법
WO2016097999A1 (en)	2014-12-18	2016-06-23	Sabic Global Technologies B.V.	Isoprene extraction with preserved c5 feedstock
US10836691B2 (en) *	2015-09-22	2020-11-17	Fina Technology, Inc.	Upgrading a C5 olefin stream
CN110997606B (zh) *	2017-08-11	2023-03-10	巴斯夫欧洲公司	回收3-甲基丁-3-烯-1-醇的方法
CN111320520B (zh) *	2018-12-14	2024-01-23	中国石油化工股份有限公司	一种用于丁二烯分离的萃取精馏塔和分离方法
CN115177964A (zh) *	2022-06-10	2022-10-14	武汉北湖云峰环保科技有限公司	一种废有机溶剂乙腈的再生装置及其工艺
CN115611698B (zh) *	2022-12-01	2023-03-17	淄博鲁华同方化工有限公司	一种dmf法萃取分离异戊二烯的工艺

0
- BE BE794552D patent/BE794552A/xx not_active IP Right Cessation
1972
- 1972-01-28 IT IT19885/72A patent/IT946986B/it active
1973
- 1973-01-04 EG EG3/73A patent/EG10798A/xx active
- 1973-01-18 AU AU51213/73A patent/AU474928B2/en not_active Expired
- 1973-01-18 ZA ZA730386A patent/ZA73386B/xx unknown
- 1973-01-19 IE IE85/73A patent/IE38687B1/xx unknown
- 1973-01-20 RO RO7373564A patent/RO64406A/ro unknown
- 1973-01-20 RO RO7379754A patent/RO64566A/ro unknown
- 1973-01-23 YU YU179/73A patent/YU35562B/xx unknown
- 1973-01-23 AR AR246258A patent/AR197975A1/es active
- 1973-01-23 TR TR18234A patent/TR18234A/xx unknown
- 1973-01-24 IN IN166/CAL/73A patent/IN140240B/en unknown
- 1973-01-25 FR FR7302573A patent/FR2169226B1/fr not_active Expired
- 1973-01-25 ZM ZM12/73A patent/ZM1273A1/xx unknown
- 1973-01-26 SU SU731874586A patent/SU623514A3/ru active
- 1973-01-26 NO NO343/73A patent/NO138448C/no unknown
- 1973-01-26 CA CA162,118A patent/CA1000644A/en not_active Expired
- 1973-01-26 SE SE7301166A patent/SE397083B/xx unknown
- 1973-01-26 CS CS628A patent/CS171744B2/cs unknown
- 1973-01-26 HU HUSA2448A patent/HU167370B/hu unknown
- 1973-01-26 US US00327238A patent/US3851010A/en not_active Expired - Lifetime
- 1973-01-26 PH PH14290A patent/PH11742A/en unknown
- 1973-01-26 DD DD168463A patent/DD101662A5/xx unknown
- 1973-01-26 DK DK44073AA patent/DK138845B/da not_active IP Right Cessation
- 1973-01-26 LU LU66905A patent/LU66905A1/xx unknown
- 1973-01-26 GB GB424473A patent/GB1417733A/en not_active Expired
- 1973-01-27 JP JP1070173A patent/JPS558969B2/ja not_active Expired
- 1973-01-28 ES ES411298A patent/ES411298A1/es not_active Expired
- 1973-01-29 NL NLAANVRAGE7301254,A patent/NL174541C/xx not_active IP Right Cessation
- 1973-01-29 AT AT76573A patent/AT326090B/de not_active IP Right Cessation
- 1973-01-29 BR BR73646A patent/BR7300646D0/pt unknown
- 1973-01-29 CH CH122873A patent/CH560656A5/xx not_active IP Right Cessation
- 1973-01-29 BG BG022561A patent/BG25643A3/xx unknown
- 1973-01-29 BG BG7332612A patent/BG26664A4/xx unknown
1976
- 1976-03-15 BG BG032612A patent/BG26664A3/bg unknown
1978
- 1978-06-21 JP JP7432878A patent/JPS5436204A/ja active Granted

Also Published As

Publication number	Publication date
DD101662A5 (de)	1973-11-12
GB1417733A (en)	1975-12-17
FR2169226B1 (de)	1975-10-31
CA1000644A (en)	1976-11-30
NL174541C (nl)	1984-07-02
TR18234A (tr)	1976-11-05
BE794552A (fr)	1973-05-16
PH11742A (en)	1978-05-30
ES411298A1 (es)	1975-12-01
BG25643A3 (bg)	1978-11-10
SU623514A3 (ru)	1978-09-05
JPS558969B2 (de)	1980-03-07
BR7300646D0 (pt)	1973-09-13
ZM1273A1 (en)	1973-10-22
RO64566A (fr)	1979-02-15
FR2169226A1 (de)	1973-09-07
NO138448B (no)	1978-05-29
SE397083B (sv)	1977-10-17
AR197975A1 (es)	1974-05-24
JPS5510572B2 (de)	1980-03-17
NO138448C (no)	1978-09-06
JPS4885509A (de)	1973-11-13
DK138845C (de)	1979-04-17
DE2303863A1 (de)	1973-08-09
IE38687B1 (en)	1978-05-10
US3851010A (en)	1974-11-26
IN140240B (de)	1976-10-02
IE38687L (en)	1973-07-28
CH560656A5 (de)	1975-04-15
DE2303863B2 (de)	1976-11-04
EG10798A (en)	1976-05-31
RO64406A (fr)	1979-07-15
NL7301254A (de)	1973-07-31
JPS5436204A (en)	1979-03-16
IT946986B (de)	1973-05-21
LU66905A1 (de)	1973-03-26
YU17973A (en)	1980-09-25
BG26664A3 (bg)	1979-05-15
ZA73386B (en)	1973-10-31
CS171744B2 (de)	1976-10-29
YU35562B (en)	1981-04-30
AU5121373A (en)	1974-07-18
ATA76573A (de)	1975-02-15
DK138845B (da)	1978-11-06
AU474928B2 (en)	1976-08-05
AT326090B (de)	1975-11-25
HU167370B (de)	1975-09-27
NL174541B (nl)	1984-02-01

Publication	Publication Date	Title
JPS5245611B2 (de)	1977-11-17
CS154171B1 (de)	1974-03-29
JPS5324030Y2 (de)	1978-06-21
CS155565B1 (de)	1974-05-30
CS156354B1 (de)	1974-07-24
CS156041B1 (de)	1974-06-24
CS154176B1 (de)	1974-03-29
CS154085B1 (de)	1974-03-29
CS153982B1 (de)	1974-03-29
CH576790A5 (de)	1976-06-30
CH582694A5 (de)	1976-12-15
CH562062A5 (de)	1975-05-30
CH562686A5 (de)	1975-06-13
CH563518A5 (de)	1975-06-30
CH564657A5 (de)	1975-07-31
CH569834A5 (de)	1975-11-28
CH569984A5 (de)	1975-11-28
CH570188A5 (de)	1975-12-15
CH570412A5 (de)	1975-12-15
CH571691A5 (de)	1976-01-15
CH573395A5 (de)	1976-03-15
CH573521A5 (de)	1976-03-15
CH573637A5 (de)	1976-03-15
CH1810272A4 (de)	1977-02-28
CH577887A5 (de)	1976-07-30