ZA941502B - Continuous process for purifying perfluorochemical compositions - Google Patents

Continuous process for purifying perfluorochemical compositions

Info

Publication number
ZA941502B
ZA941502B ZA941502A ZA941502A ZA941502B ZA 941502 B ZA941502 B ZA 941502B ZA 941502 A ZA941502 A ZA 941502A ZA 941502 A ZA941502 A ZA 941502A ZA 941502 B ZA941502 B ZA 941502B
Authority
ZA
South Africa
Prior art keywords
perfluorochemical
purifying
compositions
continuous process
continuous
Prior art date
Application number
ZA941502A
Other languages
English (en)
Inventor
Thomas Christopher Herzberg
Robert Barclay Fletcher
Randall Frederic Henderson
Original Assignee
Minnesota Mining & Mfg
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.)
Filing date
Publication date
Application filed by Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of ZA941502B publication Critical patent/ZA941502B/xx

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA941502A 1993-03-30 1994-03-03 Continuous process for purifying perfluorochemical compositions ZA941502B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/039,861 US5352785A (en) 1993-03-30 1993-03-30 Continuous process for purifying perfluorochemical compositions

Publications (1)

Publication Number Publication Date
ZA941502B true ZA941502B (en) 1995-09-04

Family

ID=21907717

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA941502A ZA941502B (en) 1993-03-30 1994-03-03 Continuous process for purifying perfluorochemical compositions

Country Status (7)

Country Link
US (1) US5352785A (fr)
EP (1) EP0688309B1 (fr)
JP (1) JPH08508482A (fr)
CN (1) CN1044228C (fr)
DE (1) DE69406275T2 (fr)
WO (1) WO1994022794A1 (fr)
ZA (1) ZA941502B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
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
KR102704746B1 (ko) * 2022-06-21 2024-09-06 에스케이스페셜티 주식회사 고순도 pftpa의 제조 장치 및 방법

Family Cites Families (13)

* Cited by examiner, † Cited by third party
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 (fr) * 1983-10-31 1989-10-17 Thomas W. Bierl Epuration des fluorocarbures
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
EP0271272B1 (fr) * 1986-12-01 1992-04-15 Tokuyama Corporation Procédé de préparation de composés organiques perfluorés
US5093432A (en) * 1988-09-28 1992-03-03 Exfluor Research Corporation Liquid phase fluorination
EP0609200A1 (fr) * 1988-12-02 1994-08-10 Minnesota Mining And Manufacturing Company Procede direct de fluoration permettant de produire des substances organiques perfluorees
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

Also Published As

Publication number Publication date
CN1044228C (zh) 1999-07-21
EP0688309B1 (fr) 1997-10-15
DE69406275D1 (de) 1997-11-20
EP0688309A1 (fr) 1995-12-27
JPH08508482A (ja) 1996-09-10
US5352785A (en) 1994-10-04
WO1994022794A1 (fr) 1994-10-13
CN1119853A (zh) 1996-04-03
DE69406275T2 (de) 1998-05-20

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