DE69501120D1 - Verfahren zur Gewinnung von Dipropylenglykol-Tert-Butylethern - Google Patents
Verfahren zur Gewinnung von Dipropylenglykol-Tert-ButylethernInfo
- Publication number
- DE69501120D1 DE69501120D1 DE69501120T DE69501120T DE69501120D1 DE 69501120 D1 DE69501120 D1 DE 69501120D1 DE 69501120 T DE69501120 T DE 69501120T DE 69501120 T DE69501120 T DE 69501120T DE 69501120 D1 DE69501120 D1 DE 69501120D1
- Authority
- DE
- Germany
- Prior art keywords
- production
- dipropylene glycol
- butyl ethers
- glycol tert
- tert
- 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.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
- C07C41/40—Separation; Purification; Stabilisation; Use of additives by change of physical state, e.g. by crystallisation
- C07C41/42—Separation; Purification; Stabilisation; Use of additives by change of physical state, e.g. by crystallisation by distillation
-
- 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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/17—Saline water conversion
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/203,162 US5552024A (en) | 1994-02-28 | 1994-02-28 | Process for recovering dipropylene glycol tert-butyl ethers |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69501120D1 true DE69501120D1 (de) | 1998-01-15 |
DE69501120T2 DE69501120T2 (de) | 1998-03-26 |
Family
ID=22752772
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69501120T Expired - Fee Related DE69501120T2 (de) | 1994-02-28 | 1995-02-15 | Verfahren zur Gewinnung von Dipropylenglykol-Tert-Butylethern |
Country Status (7)
Country | Link |
---|---|
US (1) | US5552024A (de) |
EP (1) | EP0669307B1 (de) |
JP (1) | JPH07258135A (de) |
AU (1) | AU680709B2 (de) |
CA (1) | CA2143407A1 (de) |
DE (1) | DE69501120T2 (de) |
ES (1) | ES2110290T3 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5723683A (en) * | 1996-03-12 | 1998-03-03 | Arco Chemical Technology, L.P. | Separation of monoethers from diethers |
US6306263B1 (en) * | 1999-03-31 | 2001-10-23 | Arco Chemical Technology, L.P. | Impurities separation by distillation |
US6264800B1 (en) * | 2000-07-19 | 2001-07-24 | Arco Chemical Technology, L.P. | Purification process |
US8269049B2 (en) * | 2009-12-31 | 2012-09-18 | Chinese Petroleum Corp. | Method of producing diethylene-glycol tert-butyl ether using isobutylene and diethylene glycol |
KR101187574B1 (ko) * | 2010-06-14 | 2012-10-05 | 대림산업 주식회사 | 글리콜 모노-터셔리-부틸에테르와 글리콜 디-터셔리-부틸에테르 혼합물의 분리 방법 |
KR101331553B1 (ko) * | 2011-02-18 | 2013-11-20 | 대림산업 주식회사 | 글리콜에테르를 이용한 고순도 이소부텐의 제조 방법 |
KR101331551B1 (ko) * | 2011-02-22 | 2013-11-20 | 대림산업 주식회사 | 글리콜 모노-터셔리-부틸에테르 화합물의 제조 방법 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2927064A (en) * | 1958-03-11 | 1960-03-01 | Union Carbide Corp | Refining of alpha-methylbenzyl ether |
GB981943A (en) * | 1962-07-27 | 1965-02-03 | Ici Ltd | Separation of ethers from distillation residues of synthetic alcohols |
US3578568A (en) * | 1968-11-29 | 1971-05-11 | Atlantic Richfield Co | Purification of low molecular weight epoxides by extractive distillation with a glycol or glycol ether |
JPS4880507A (de) * | 1972-02-05 | 1973-10-29 | ||
JPS6034936B2 (ja) * | 1978-08-30 | 1985-08-12 | 丸善石油株式会社 | エチレングライコ−ルモノタ−シャリ−ブチルエ−テルの製造方法 |
US4254246A (en) * | 1979-03-26 | 1981-03-03 | Davy International Ag | Column system process for polyester plants |
US4551207A (en) * | 1983-01-06 | 1985-11-05 | Lloyd Berg | Separation of isopropyl ether from acetone by extractive distillation |
US4510022A (en) * | 1983-08-08 | 1985-04-09 | Lloyd Berg | Separation of isopropyl ether from isopropanol and water by extractive distillation |
US4585526A (en) * | 1984-04-11 | 1986-04-29 | Lloyd Berg | Separation of m-xylene from o-xylene by extractive distillation |
US4709101A (en) * | 1985-09-30 | 1987-11-24 | Allied Corporation | Process for the production of methyl ethers from branched monoolefins |
US4666563A (en) * | 1985-11-20 | 1987-05-19 | Lloyd Berg | Separation of isopropyl ether from isopropanol and water by extractive distillation |
DE3629233A1 (de) * | 1986-08-28 | 1988-03-10 | Erdoelchemie Gmbh | Verfahren zur katalytischen umsetzung von isoolefinen |
US4675082A (en) * | 1986-09-22 | 1987-06-23 | Atlantic Richfield Company | Recovery of propylene glycol mono t-butoxy ether |
US4855531A (en) * | 1988-11-29 | 1989-08-08 | Lloyd Berg | Separation of M-diisopropylbenzene from p-diisoporopylbenzene by azeotropic distillation with ethers |
US4897161A (en) * | 1989-03-20 | 1990-01-30 | Lloyd Berg | Separation of vinyl acetate from ethyl acetate by extractive distillation |
DE3923291A1 (de) * | 1989-07-14 | 1991-01-24 | Erdoelchemie Gmbh | Verfahren zur herstellung von reinen c(pfeil abwaerts)4(pfeil abwaerts)-c(pfeil abwaerts)7(pfeil abwaerts)-tert.-alkenen |
US5152876A (en) * | 1991-03-27 | 1992-10-06 | Lloyd Berg | Separation of methylene chloride from the lower alcohols by extractive distillation |
US5160414A (en) * | 1991-07-19 | 1992-11-03 | Phillips Petroleum Company | Extractive distillation of alcohol/ether/hydrocarbon mixtures |
US5160585A (en) * | 1991-07-23 | 1992-11-03 | Lloyd Berg | Separation of tetrachloroethylene from a butyl alcohol by extractive distillation |
-
1994
- 1994-02-28 US US08/203,162 patent/US5552024A/en not_active Expired - Fee Related
-
1995
- 1995-02-15 DE DE69501120T patent/DE69501120T2/de not_active Expired - Fee Related
- 1995-02-15 ES ES95300945T patent/ES2110290T3/es not_active Expired - Lifetime
- 1995-02-15 EP EP95300945A patent/EP0669307B1/de not_active Expired - Lifetime
- 1995-02-17 JP JP7052110A patent/JPH07258135A/ja active Pending
- 1995-02-23 AU AU13465/95A patent/AU680709B2/en not_active Ceased
- 1995-02-24 CA CA002143407A patent/CA2143407A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
US5552024A (en) | 1996-09-03 |
EP0669307B1 (de) | 1997-12-03 |
EP0669307A1 (de) | 1995-08-30 |
JPH07258135A (ja) | 1995-10-09 |
AU680709B2 (en) | 1997-08-07 |
DE69501120T2 (de) | 1998-03-26 |
CA2143407A1 (en) | 1995-08-29 |
AU1346595A (en) | 1995-09-07 |
ES2110290T3 (es) | 1998-02-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |