UST983009I4 - Process for removing toxic perfluoroisobutylene - Google Patents

Process for removing toxic perfluoroisobutylene Download PDF

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Publication number
UST983009I4
UST983009I4 US05/960,013 US96001378A UST983009I4 US T983009 I4 UST983009 I4 US T983009I4 US 96001378 A US96001378 A US 96001378A US T983009 I4 UST983009 I4 US T983009I4
Authority
US
United States
Prior art keywords
removing toxic
perfluoroisobutylene
toxic perfluoroisobutylene
mixture
fluorine
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.)
Pending
Application number
US05/960,013
Inventor
Theodore A. Treat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of UST983009I4 publication Critical patent/UST983009I4/en
Pending legal-status Critical Current

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Classifications

    • 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

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  • 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)

Abstract

a process for converting toxic perfluoroisobutylene in a mixture of fluorine-containing compounds into a relatively nontoxic ether which comprises contacting the mixture with a solution of methanol and a selected hydrogen halide.
US05/960,013 1977-11-10 1978-11-13 Process for removing toxic perfluoroisobutylene Pending UST983009I4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US85022177A 1977-11-10 1977-11-10

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US85022177A Continuation 1977-11-10 1977-11-10

Publications (1)

Publication Number Publication Date
UST983009I4 true UST983009I4 (en) 1979-06-05

Family

ID=25307586

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/960,013 Pending UST983009I4 (en) 1977-11-10 1978-11-13 Process for removing toxic perfluoroisobutylene

Country Status (3)

Country Link
US (1) UST983009I4 (en)
EP (1) EP0002098B1 (en)
DE (1) DE2860943D1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0457613A1 (en) * 1990-05-18 1991-11-21 Minnesota Mining And Manufacturing Company Method of purifying fluorine-containing fluids and related devices
US5474657A (en) * 1994-02-10 1995-12-12 Minnesota Mining And Manufacturing Company Preparation of F-alkyl F-isobutyl ethers by electrochemical fluorination
US5741950A (en) * 1996-12-16 1998-04-21 Minnesota Mining And Manufacturing Company Method of preparing nonafluoroisobutyl methyl ether

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4973774A (en) * 1989-11-02 1990-11-27 E. I. Du Pont De Nemours And Company Chlorofluorohydrocarbon purification process
DE4115025A1 (en) * 1991-05-08 1992-11-12 Hoechst Ag METHOD FOR REMOVING OLEFINIC IMPURITIES FROM 1,1,1,2,3,3,3-HEPTAFLUORPROPANE
US5420368A (en) * 1994-06-29 1995-05-30 E. I. Du Pont De Nemours And Company Production CF3 CH2 CF3 and/or CF3 CH═CF2 by the conversion of fluorinated ethers
US5594159A (en) * 1995-04-13 1997-01-14 E I Du Pont De Nemours And Company Producing CF3 CH2 CF3 and/or CF3 CH═CF2 by the conversion of alpha-hydroperfluoroisobutyric acid compounds
US6018083A (en) * 1998-04-03 2000-01-25 E. I. Du Pont De Nemours And Company Process for the production of fluorocarbons
US6281395B1 (en) 1998-04-03 2001-08-28 E. I. Du Pont De Nemours And Company 1,1,1,2,3,3,3-heptafluoropropane manufacturing process
US6329559B1 (en) 1998-06-02 2001-12-11 E. I. Du Pont De Nemours And Company Processes for the production of hexafluoropropene and optionally other halogenated hydrocarbons containing fluorine
CA2333470C (en) 1998-06-02 2008-08-26 E.I. Du Pont De Nemours And Company Process for the production of hexafluoropropylene from cc1f2cc1fcf3 and azeotropes of cclf2cc1fcf3 with hf
FR2805257B1 (en) * 2000-02-21 2002-04-19 Atofina PROCESS FOR THE SELECTIVE CONVERSION OF PERFLUOROISOBUTENE CONTAINED IN A HALOGENATED HYDROCARBON STREAM
US7129383B2 (en) 2002-08-22 2006-10-31 E. I. Du Pont De Nemours And Company Processes for the preparation of 2-chloro-1,1,1,2,3,3,3-heptafluoropropane, hexafluoropropene and 1,1,1,2,3,3,3-heptafluoropropane
CN103073385B (en) * 2012-12-30 2016-01-20 江苏梅兰化工有限公司 A kind of method absorbing degrading perfluorinated iso-butylene
CN106316778B (en) * 2015-06-30 2019-02-19 中昊晨光化工研究院有限公司 Deimpurity method is gone in a kind of production of perfluoropropene
CN108478983B (en) * 2018-04-22 2021-07-06 聊城氟尔新材料科技有限公司 Byproduct disposal device and process thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3004075A (en) * 1959-09-17 1961-10-10 Du Pont Purification of fluorocarbons
US2999885A (en) * 1959-09-17 1961-09-12 Du Pont Purification of fluorocarbons
FR1448708A (en) * 1960-02-08 1966-03-18 Pennsalt Chemicals Corp Fluoride combination production process
DE1219460B (en) * 1963-11-07 1966-06-23 Hoechst Ag Process for the purification of 2, 2, 2-trifluoro-1-chloro-1-bromoethane, which contains 1, 1, 1, 4, 4, 4-hexafluoro-2, 3-dichlorobutene-2 as an impurity
US3548015A (en) * 1967-12-13 1970-12-15 Daikin Ind Ltd Purification of tetrafluoroethylene
JPS5016768A (en) * 1973-06-15 1975-02-21

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0457613A1 (en) * 1990-05-18 1991-11-21 Minnesota Mining And Manufacturing Company Method of purifying fluorine-containing fluids and related devices
US5474657A (en) * 1994-02-10 1995-12-12 Minnesota Mining And Manufacturing Company Preparation of F-alkyl F-isobutyl ethers by electrochemical fluorination
US5741950A (en) * 1996-12-16 1998-04-21 Minnesota Mining And Manufacturing Company Method of preparing nonafluoroisobutyl methyl ether

Also Published As

Publication number Publication date
EP0002098A1 (en) 1979-05-30
EP0002098B1 (en) 1981-08-12
DE2860943D1 (en) 1981-11-12

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