DE69503476D1 - Verfahren zur entfernung von umesterungskatalysatoren aus polyethenpolyolen - Google Patents
Verfahren zur entfernung von umesterungskatalysatoren aus polyethenpolyolenInfo
- Publication number
- DE69503476D1 DE69503476D1 DE69503476T DE69503476T DE69503476D1 DE 69503476 D1 DE69503476 D1 DE 69503476D1 DE 69503476 T DE69503476 T DE 69503476T DE 69503476 T DE69503476 T DE 69503476T DE 69503476 D1 DE69503476 D1 DE 69503476D1
- Authority
- DE
- Germany
- Prior art keywords
- restoration
- catalysts
- polyethene
- polyols
- polyethene polyols
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyethers (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/198,172 US5410093A (en) | 1994-02-17 | 1994-02-17 | Method for removing transesterification catalyst from polyether polyols |
PCT/US1995/001508 WO1995022573A1 (en) | 1994-02-17 | 1995-02-14 | Method for removing transesterification catalyst from polyether polyols |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69503476D1 true DE69503476D1 (de) | 1998-08-20 |
DE69503476T2 DE69503476T2 (de) | 1999-02-18 |
Family
ID=22732289
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69503476T Expired - Lifetime DE69503476T2 (de) | 1994-02-17 | 1995-02-14 | Verfahren zur entfernung von umesterungskatalysatoren aus polyethenpolyolen |
Country Status (8)
Country | Link |
---|---|
US (1) | US5410093A (de) |
EP (1) | EP0745101B1 (de) |
JP (1) | JP3560248B2 (de) |
KR (1) | KR100329136B1 (de) |
AU (1) | AU1871695A (de) |
DE (1) | DE69503476T2 (de) |
ES (1) | ES2118578T3 (de) |
WO (1) | WO1995022573A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9498604B2 (en) | 1997-11-12 | 2016-11-22 | Genesis Technologies Llc | Medical device and method |
DE19758296A1 (de) * | 1997-12-31 | 1999-07-01 | Basf Ag | Herstellung von Polytetrahydrofuran mit endständigen Hydroxylgruppen unter Verwendung von Ionenaustauschern |
US6454775B1 (en) | 1999-12-06 | 2002-09-24 | Bacchus Vascular Inc. | Systems and methods for clot disruption and retrieval |
US6929633B2 (en) | 2000-01-25 | 2005-08-16 | Bacchus Vascular, Inc. | Apparatus and methods for clot dissolution |
US6663613B1 (en) | 2000-01-25 | 2003-12-16 | Bacchus Vascular, Inc. | System and methods for clot dissolution |
WO2004100772A2 (en) * | 2003-05-12 | 2004-11-25 | University Of Florida | Devices and methods for disruption and removal of luninal occlusions |
US9561094B2 (en) | 2010-07-23 | 2017-02-07 | Nfinium Vascular Technologies, Llc | Devices and methods for treating venous diseases |
CN102887995B (zh) | 2011-07-19 | 2016-08-03 | 因温斯特技术公司 | 聚醚多元醇过滤中的改进的产物回收方法 |
CN102887996B (zh) * | 2011-07-19 | 2016-03-16 | 因温斯特技术公司 | 聚醚多元醇过滤中的聚合物回收方法 |
WO2013112785A1 (en) | 2012-01-26 | 2013-08-01 | Invista North America S.A.R.L. | Improved alkanolysis process |
EP3151904A4 (de) | 2014-06-04 | 2018-02-14 | Nfinium Vascular Technologies, LLC | Vaskuläre vorrichtung mit niedriger radialkraft und verfahren zur okklusion |
CN109575268A (zh) | 2018-11-02 | 2019-04-05 | 佳化化学(滨州)有限公司 | 一种聚醚多元醇的精制方法及精制装置 |
CN113429555B (zh) * | 2021-07-20 | 2022-07-05 | 佛山市中天融新材料科技有限公司 | 聚碳酸酯二元醇及其制备方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB958390A (en) * | 1961-07-11 | 1964-05-21 | Ici Ltd | Purification and stabilisation of polyethers |
BE795455A (fr) * | 1972-02-24 | 1973-08-16 | Basf Ag | Procede de preparation de polyalkylene-ethers purs |
US4137396A (en) * | 1976-09-24 | 1979-01-30 | Basf Wyandotte Corporation | Filtration process for purifying polyols |
JPS5770124A (en) * | 1980-10-20 | 1982-04-30 | Dai Ichi Kogyo Seiyaku Co Ltd | Purification of polyether-polyol |
US4371713A (en) * | 1980-11-04 | 1983-02-01 | Japan Synthetic Rubber Co., Ltd. | Process for the preparation of polyether glycol |
DE3107449A1 (de) * | 1981-02-27 | 1982-09-16 | Basf Ag, 6700 Ludwigshafen | Verfahren zur reinigung von polytetramethylenetherglykolen |
US4584414A (en) * | 1984-12-21 | 1986-04-22 | E. I. Du Pont De Nemours And Company | Process for preparing improved poly(tetramethylene ether) glycol by alcoholysis |
JPS6220970A (ja) * | 1985-07-18 | 1987-01-29 | Japan Steel Works Ltd:The | 圧力容器ドアロツク機構の安全装置 |
US4985551A (en) * | 1988-12-29 | 1991-01-15 | Basf Corporation | Process for purification of catalysts from polyols using ion exchange resins |
-
1994
- 1994-02-17 US US08/198,172 patent/US5410093A/en not_active Expired - Lifetime
-
1995
- 1995-02-14 WO PCT/US1995/001508 patent/WO1995022573A1/en active IP Right Grant
- 1995-02-14 DE DE69503476T patent/DE69503476T2/de not_active Expired - Lifetime
- 1995-02-14 AU AU18716/95A patent/AU1871695A/en not_active Abandoned
- 1995-02-14 EP EP95910928A patent/EP0745101B1/de not_active Expired - Lifetime
- 1995-02-14 ES ES95910928T patent/ES2118578T3/es not_active Expired - Lifetime
- 1995-02-14 JP JP52183595A patent/JP3560248B2/ja not_active Expired - Lifetime
- 1995-02-14 KR KR1019960704476A patent/KR100329136B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR100329136B1 (ko) | 2002-11-23 |
WO1995022573A1 (en) | 1995-08-24 |
JP3560248B2 (ja) | 2004-09-02 |
US5410093A (en) | 1995-04-25 |
DE69503476T2 (de) | 1999-02-18 |
EP0745101B1 (de) | 1998-07-15 |
JPH09509211A (ja) | 1997-09-16 |
ES2118578T3 (es) | 1998-09-16 |
EP0745101A1 (de) | 1996-12-04 |
AU1871695A (en) | 1995-09-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69721806D1 (de) | Verfahren zur entfernung von sulfiden aus fluidströmen | |
DE69519832D1 (de) | Verfahren zur Polyetherreinigung | |
DE69535022D1 (de) | Verfahren zur verbesserung von destillat | |
DE69516095D1 (de) | Verfahren zur Filterung von Fahrzeugverzögerungsdaten | |
DE69115495D1 (de) | Verfahren zur entfernung von stickoxyden aus gasströmen | |
DE69727395D1 (de) | Verfahren zur olefinisomerisierung | |
DE69432859D1 (de) | Verfahren zur reinigung von kollagenase | |
DE69511269D1 (de) | Verfahren zur abtrennung von jod aus carboxylprodukten | |
DE69505796D1 (de) | Verfahren zur fleischentfettung | |
DE69701748D1 (de) | Verfahren zur entfernung von phosphor aus abwasser | |
DE59811691D1 (de) | Verfahren zur datenregeneration | |
DE69511536D1 (de) | Verfahren zur hydrometallurgischen extraktion | |
DE59305971D1 (de) | Verfahren zur entölung von rohlecithin | |
DE69739323D1 (de) | Verfahren zur Wiederherstellung der antibakteriellen Effektivität | |
DE69503476D1 (de) | Verfahren zur entfernung von umesterungskatalysatoren aus polyethenpolyolen | |
DE69526796D1 (de) | Verfahren zur inhibierung von pflanzenkrankheiten | |
DE69207369D1 (de) | Verfahren zur regenerierung beschichteter plastikabfällen | |
DE69318568D1 (de) | Zusammensetzungen zur entfernung von aldehyden und verfahren | |
AT399516B (de) | Verfahren zur regeneration von salzsäure aus beizanlagen | |
DE59807142D1 (de) | Verfahren zur reinigung von anlagenteilen | |
DE59703815D1 (de) | Verfahren zur hydroformylierung | |
DE69423403D1 (de) | Verfahren zur Regenerierung von Katalysatoren aus Polyalkylenpolyolen | |
DE69321296D1 (de) | Verfahren zur Entfernung von Kesselstein | |
DE69610532D1 (de) | Verfahren zur Entfernung von Quecksilber aus Böden | |
DE69501300D1 (de) | Verfahren zur reinigung von fluormethyl-1,1,1,3,3,3-hexafluorisopropylether |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: INVISTA TECHNOLOGIES S.A.R.L., WILMINGTON, DEL, US |
|
8328 | Change in the person/name/address of the agent |
Representative=s name: MARKS & CLERK, LUXEMBOURG, LU |