FR2124212B1 - - Google Patents

Info

Publication number
FR2124212B1
FR2124212B1 FR7128299A FR7128299A FR2124212B1 FR 2124212 B1 FR2124212 B1 FR 2124212B1 FR 7128299 A FR7128299 A FR 7128299A FR 7128299 A FR7128299 A FR 7128299A FR 2124212 B1 FR2124212 B1 FR 2124212B1
Authority
FR
France
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
Application number
FR7128299A
Other languages
French (fr)
Other versions
FR2124212A1 (en
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.)
Liquid Nitrogen Processing Corp
Original Assignee
Liquid Nitrogen Processing Corp
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 Liquid Nitrogen Processing Corp filed Critical Liquid Nitrogen Processing Corp
Publication of FR2124212A1 publication Critical patent/FR2124212A1/fr
Application granted granted Critical
Publication of FR2124212B1 publication Critical patent/FR2124212B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/361—Preparation of halogenated hydrocarbons by reactions involving a decrease in the number of carbon atoms
    • C07C17/367—Preparation of halogenated hydrocarbons by reactions involving a decrease in the number of carbon atoms by depolymerisation
FR7128299A 1971-02-02 1971-08-02 Expired FR2124212B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00111963A US3832411A (en) 1971-02-02 1971-02-02 Method for the depolymerization of polytetrafluoroethylene

Publications (2)

Publication Number Publication Date
FR2124212A1 FR2124212A1 (en) 1972-09-22
FR2124212B1 true FR2124212B1 (en) 1973-11-23

Family

ID=22341390

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7128299A Expired FR2124212B1 (en) 1971-02-02 1971-08-02

Country Status (6)

Country Link
US (1) US3832411A (en)
JP (1) JPS5238525B1 (en)
DE (1) DE2204141B2 (en)
FR (1) FR2124212B1 (en)
GB (1) GB1361341A (en)
IT (1) IT948929B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128589A (en) * 1977-06-22 1978-12-05 Hughes Aircraft Company Generation of CF4 from Teflon for reactive atmosphere processing and growth of metal fluorides
DE4334015A1 (en) * 1993-10-06 1995-04-13 Hoechst Ag Process for the preparation of fluorinated monomers
RU2082709C1 (en) * 1994-05-19 1997-06-27 Научно-внедренческая фирма "Поликом, Инк" Method and installation for producing monomer via pyrolytic decomposition of corresponding polymer
DE60318688T2 (en) * 2002-03-01 2009-01-15 Daikin Industries, Ltd. PROCESS FOR THE PREPARATION OF FLUOROMONOMER
US6919015B2 (en) * 2002-12-16 2005-07-19 3M Innovative Properties Company Process for manufacturing fluoroolefins
GB0817873D0 (en) * 2008-10-01 2008-11-05 3M Innovative Properties Co Process of making fluoroelefins by thermal decomposition of fluorinated materials
RU2469056C1 (en) * 2011-06-16 2012-12-10 Государственное образовательное учреждение высшего профессионального образования "Национальный исследовательский Томский политехнический университет" Method of producing composite material based on polytetrafluoroethylene and silicon dioxide
RU2497846C1 (en) * 2012-04-24 2013-11-10 Федеральное государственное бюджетное учреждение науки Байкальский институт природопользования Сибирского отделения Российской академии наук (БИП СО РАН) Method of recycling polytetrafluoroethylene wastes
RU2656488C1 (en) * 2017-05-03 2018-06-05 Общество с ограниченной ответственностью "Малое инновационное предприятие "Байкальский научный центр прочности" Method of recycling polytetrafluoroethylene wastes
CN114829323B (en) 2019-12-23 2023-09-01 3M创新有限公司 Process for preparing fluoroolefins by thermal decomposition of fluorinated ionomers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2394581A (en) * 1943-10-04 1946-02-12 Kinetic Chemicals Inc Pyrolysis of tetrafluoroethylene polymer
US2406153A (en) * 1944-06-23 1946-08-20 Du Pont Depolymerization of polymeric tetrafluoroethylene
DE1003700B (en) * 1954-07-30 1957-03-07 Hoechst Ag Process for the production of low molecular weight chlorofluorocarbons with a liquid or waxy consistency
BE627531A (en) * 1962-01-24
GB1041591A (en) * 1962-02-21 1966-09-07 Daikin Ind Ltd Process for manufacturing tetrafluoroethylene

Also Published As

Publication number Publication date
DE2204141A1 (en) 1972-08-17
GB1361341A (en) 1974-07-24
DE2204141B2 (en) 1974-05-30
JPS5238525B1 (en) 1977-09-29
FR2124212A1 (en) 1972-09-22
IT948929B (en) 1973-06-11
US3832411A (en) 1974-08-27

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Legal Events

Date Code Title Description
ST Notification of lapse