DE69406275D1 - Kontinuierliches verfahren zur reinigung von perfluorchemischen zusammensetzungen - Google Patents
Kontinuierliches verfahren zur reinigung von perfluorchemischen zusammensetzungenInfo
- Publication number
- DE69406275D1 DE69406275D1 DE69406275T DE69406275T DE69406275D1 DE 69406275 D1 DE69406275 D1 DE 69406275D1 DE 69406275 T DE69406275 T DE 69406275T DE 69406275 T DE69406275 T DE 69406275T DE 69406275 D1 DE69406275 D1 DE 69406275D1
- Authority
- DE
- Germany
- Prior art keywords
- perfluorchemical
- compositions
- cleaning
- continuous process
- continuous
- 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
- C07D—HETEROCYCLIC COMPOUNDS
- C07D265/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
- C07D265/28—1,4-Oxazines; Hydrogenated 1,4-oxazines
- C07D265/30—1,4-Oxazines; Hydrogenated 1,4-oxazines not condensed with other rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B63/00—Purification; Separation; Stabilisation; Use of additives
- C07B63/02—Purification; Separation; Stabilisation; Use of additives by treatment giving rise to a chemical modification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/395—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification of at least one compound
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/84—Purification
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/039,861 US5352785A (en) | 1993-03-30 | 1993-03-30 | Continuous process for purifying perfluorochemical compositions |
PCT/US1994/002099 WO1994022794A1 (en) | 1993-03-30 | 1994-02-14 | Continuous process for purifying perfluorochemical compositions |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69406275D1 true DE69406275D1 (de) | 1997-11-20 |
DE69406275T2 DE69406275T2 (de) | 1998-05-20 |
Family
ID=21907717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69406275T Expired - Fee Related DE69406275T2 (de) | 1993-03-30 | 1994-02-14 | Kontinuierliches verfahren zur reinigung von perfluorchemischen zusammensetzungen |
Country Status (7)
Country | Link |
---|---|
US (1) | US5352785A (de) |
EP (1) | EP0688309B1 (de) |
JP (1) | JPH08508482A (de) |
CN (1) | CN1044228C (de) |
DE (1) | DE69406275T2 (de) |
WO (1) | WO1994022794A1 (de) |
ZA (1) | ZA941502B (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4205341A1 (de) * | 1992-02-21 | 1993-08-26 | Pharmpur Gmbh | Verfahren zur reinigung von perfluorcarbonen und verwendung der gereinigten perfluorcarbone |
DE4241969A1 (de) * | 1992-12-12 | 1994-06-16 | Hoechst Ag | Hochreines Perfluor-(4-methyl-2-penten), seine Herstellung und Verwendung |
US7312052B1 (en) | 1993-12-08 | 2007-12-25 | Stratagene California | Polymerase compositions and uses thereof |
US5663127A (en) * | 1994-07-29 | 1997-09-02 | Minnesota Mining And Manufacturing Company | Perfluoropolyether lubricating compositions |
US5750797A (en) * | 1996-04-15 | 1998-05-12 | Minnesota Mining And Manufacturing Company | Process for the production of hydrofluoroethers |
DE69838724T2 (de) | 1997-03-21 | 2008-10-30 | Stratagene California, La Jolla | Polymerase-verbessernder faktor (pef)-enthaltende extrakte, pef proteinkomplexe, isoliertes pef protein und verfahren zur reinigung und identifizierung |
IT1299036B1 (it) * | 1998-04-07 | 2000-02-07 | Ausimont Spa | Purificazione del perfluoropropilviniletere |
US6375912B1 (en) * | 1999-08-16 | 2002-04-23 | Agere Systems Guardian Corp. | Electrochemical abatement of perfluorinated compounds |
GB0031303D0 (en) * | 2000-12-21 | 2001-01-31 | Ici Plc | Process for the purification of fluoromethyl hexafluoroisopropyl ether |
US7053253B1 (en) * | 2005-05-02 | 2006-05-30 | 3M Innovative Properties Company | Process for purifying hexafluoropropene dimers |
CN103145561B (zh) * | 2013-03-01 | 2014-07-16 | 上海华捷视医疗设备有限公司 | 全氟三丙胺的连续生产方法 |
CN107176737A (zh) * | 2016-03-10 | 2017-09-19 | 中昊晨光化工研究院有限公司 | 从全氟辛酸电解副产物中提取氟碳素溶剂的方法 |
JP6648656B2 (ja) * | 2016-08-31 | 2020-02-14 | 三菱マテリアル株式会社 | 試料の分析方法 |
KR20230174648A (ko) * | 2022-06-21 | 2023-12-28 | 에스케이스페셜티 주식회사 | 고순도 pftpa의 제조 장치 및 방법 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3737470A (en) * | 1970-06-08 | 1973-06-05 | Phillips Petroleum Co | Separation and recovery of perhalogenated fluorocarbons |
US4029552A (en) * | 1975-10-24 | 1977-06-14 | Phillips Petroleum Company | Process for obtaining high purity perfluoro-n-heptane |
US4035250A (en) * | 1976-03-11 | 1977-07-12 | Phillips Petroleum Company | Production of perfluoro-n-heptane |
CA1262346A (en) * | 1983-10-31 | 1989-10-17 | Thomas W. Bierl | Purification of fluorocarbons |
US4766261A (en) * | 1984-09-17 | 1988-08-23 | Adamantech, Inc. | Purification of fluorocarbons |
US4618731A (en) * | 1985-11-20 | 1986-10-21 | E. I. Du Pont De Nemours And Company | Process for purifying 2-perfluoroalkylethanols |
US4929317A (en) * | 1986-12-01 | 1990-05-29 | Tokuyama Soda Kabushiki Kaisha | Process for preparation of perfluoro organic compounds |
US5093432A (en) * | 1988-09-28 | 1992-03-03 | Exfluor Research Corporation | Liquid phase fluorination |
EP0609200A1 (de) * | 1988-12-02 | 1994-08-10 | Minnesota Mining And Manufacturing Company | Direktes fluorierungsverfahren zur herstellung von perfluorierten organischen verbindungen |
DE4019061A1 (de) * | 1989-08-30 | 1991-03-07 | Kali Chemie Ag | Verfahren zur herstellung perfluorierter heterocyclischer verbindungen und nach diesem verfahren hergestellte verbindungen |
US4973774A (en) * | 1989-11-02 | 1990-11-27 | E. I. Du Pont De Nemours And Company | Chlorofluorohydrocarbon purification process |
JP2834586B2 (ja) * | 1990-12-21 | 1998-12-09 | 株式会社トクヤマ | パーフルオロ有機化合物の製造方法 |
DE4115025A1 (de) * | 1991-05-08 | 1992-11-12 | Hoechst Ag | Verfahren zur entfernung olefinischer verunreinigungen aus 1,1,1,2,3,3,3-heptafluorpropan |
-
1993
- 1993-03-30 US US08/039,861 patent/US5352785A/en not_active Expired - Lifetime
-
1994
- 1994-02-14 WO PCT/US1994/002099 patent/WO1994022794A1/en active IP Right Grant
- 1994-02-14 EP EP94909818A patent/EP0688309B1/de not_active Expired - Lifetime
- 1994-02-14 DE DE69406275T patent/DE69406275T2/de not_active Expired - Fee Related
- 1994-02-14 CN CN94191579A patent/CN1044228C/zh not_active Expired - Fee Related
- 1994-02-14 JP JP6522063A patent/JPH08508482A/ja active Pending
- 1994-03-03 ZA ZA941502A patent/ZA941502B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
EP0688309B1 (de) | 1997-10-15 |
US5352785A (en) | 1994-10-04 |
ZA941502B (en) | 1995-09-04 |
WO1994022794A1 (en) | 1994-10-13 |
DE69406275T2 (de) | 1998-05-20 |
CN1119853A (zh) | 1996-04-03 |
JPH08508482A (ja) | 1996-09-10 |
CN1044228C (zh) | 1999-07-21 |
EP0688309A1 (de) | 1995-12-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69412434D1 (de) | Verfahren zur Reinigung von Phenol | |
DE69314962T2 (de) | Verfahren zur entkeimung von lebensmitteln | |
DE69403446D1 (de) | Verfahren zur verbesserung der alkylestersulfonatetenside - zusammensetzungen | |
DE59207602D1 (de) | Verfahren zur Reinigung von Fluorchlorkohlenwasserstoffen | |
DE69404425D1 (de) | Verfahren zur Reinigung von Kohlenwasserstoffströmen | |
DE69502053T2 (de) | Verfahren zur Reinigung der Akrylsäure | |
DE69400257D1 (de) | Verfahren zur Reinigung von Pentafluorethan | |
DE69312635D1 (de) | Verfahren zur Reinigung von Schadgas | |
DE69406275D1 (de) | Kontinuierliches verfahren zur reinigung von perfluorchemischen zusammensetzungen | |
DE69412341T2 (de) | Verfahren zur Reinigung von Schadgas | |
DE69418318D1 (de) | Verfahren zur krafterzeugung | |
DE69425003D1 (de) | Verfahren zur Reinigung von Gasströmen | |
DE69409423T2 (de) | Verfahren zur Reinigung von Schadgas | |
DE69731891D1 (de) | Verfahren zur reinigung von gbs-toxin/cm101 | |
DE69304638T2 (de) | Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan | |
DE69324728D1 (de) | Verfahren zur Reinigung von Phenol | |
DE69407622T2 (de) | Verfahren zur reinigung von polyolen | |
DE69516317D1 (de) | Verfahren zur Reinigung von Fullerenen | |
DE69432702D1 (de) | Verfahren zur herstellung von sauberen gegenstaenden | |
DE69405189T2 (de) | Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan | |
DE69113941D1 (de) | Verfahren zur Reinigung von Artikeln. | |
DE69410197T2 (de) | Verfahren zur Reinigung von polaren Vinylverbindungen | |
DE69405185D1 (de) | Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan | |
DE69207729D1 (de) | Verfahren zur Reinigung von Polyacrylnitril | |
DE59405738D1 (de) | Verfahren zur Reinigung von Rohpyrrolen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |