FR2187743B1 - - Google Patents
Info
- Publication number
- FR2187743B1 FR2187743B1 FR7321021A FR7321021A FR2187743B1 FR 2187743 B1 FR2187743 B1 FR 2187743B1 FR 7321021 A FR7321021 A FR 7321021A FR 7321021 A FR7321021 A FR 7321021A FR 2187743 B1 FR2187743 B1 FR 2187743B1
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/26—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US261629A US3873630A (en) | 1972-06-12 | 1972-06-12 | Process for pyrolyzing tetrafluoroethylene to hexafluoropropylene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2187743A1 FR2187743A1 (sl) | 1974-01-18 |
| FR2187743B1 true FR2187743B1 (sl) | 1977-02-11 |
Family
ID=22994148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7321021A Expired FR2187743B1 (sl) | 1972-06-12 | 1973-06-08 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3873630A (sl) |
| JP (1) | JPS5728696B2 (sl) |
| CA (1) | CA1015771A (sl) |
| DE (1) | DE2329750C2 (sl) |
| FR (1) | FR2187743B1 (sl) |
| GB (1) | GB1384036A (sl) |
| IT (1) | IT989657B (sl) |
| NL (1) | NL7308149A (sl) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4365102A (en) * | 1980-09-29 | 1982-12-21 | E. I. Du Pont De Nemours And Company | Method of manufacturing perfluoromethane and perfluoroethane |
| US5334783A (en) * | 1988-03-14 | 1994-08-02 | Hoechst Aktiengesellschaft | Process for the preparation of hexafluoropropene |
| US5043491A (en) * | 1989-12-19 | 1991-08-27 | E. I. Du Pont De Nemours And Company | Multistep synthesis of hexafluoropropylene |
| US5057634A (en) * | 1989-12-19 | 1991-10-15 | E. I. Du Pont De Nemours And Company | Multistep synthesis of hexafluoropropylene |
| US5345013A (en) * | 1993-06-10 | 1994-09-06 | E. I. Du Pont De Nemours And Company | Safe handling of tetrafluoroethylene |
| US20020032356A1 (en) | 2000-07-14 | 2002-03-14 | Gelblum Peter Gideon | Synthesis of perfluoroolefins |
| KR100361585B1 (ko) * | 2000-11-11 | 2002-11-22 | 한국과학기술연구원 | 트리플루오로메탄(ｒ２３)과테트라플루오로에틸렌(ｔｆｅ)의 열분해 반응에 의한헥사플루오로프로필렌(ｈｅｆ)의 제조방법 |
| KR100405187B1 (ko) * | 2001-02-20 | 2003-11-12 | 한국과학기술연구원 | 옥타플루오로사이클로부탄(ｒｃ３１８)의 제조방법 |
| KR100405895B1 (ko) * | 2001-02-20 | 2003-11-14 | 한국과학기술연구원 | 헥사플루오로프로필렌（ｈｆｐ）과옥타플루오로사이클로부탄（ｒｃ３１８）의 동시 제조방법 |
| US6924403B2 (en) * | 2002-06-26 | 2005-08-02 | E. I. Du Pont De Nemours And Company | Synthesis of hexafluoropropylene |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2394581A (en) * | 1943-10-04 | 1946-02-12 | Kinetic Chemicals Inc | Pyrolysis of tetrafluoroethylene polymer |
| US2551573A (en) * | 1945-11-30 | 1951-05-08 | Du Pont | Pyrolysis of chloro-fluoro alkanes |
| US2758138A (en) * | 1954-05-06 | 1956-08-07 | Du Pont | Pyrolysis process for making perfluoropropene from tetrafluoroethylene |
| US2759983A (en) * | 1954-05-06 | 1956-08-21 | Du Pont | Pyrolysis process for preparing hexafluoropropene from tetrafluoroethylene polymer |
| US2970176A (en) * | 1957-10-31 | 1961-01-31 | Du Pont | Pyrolysis of fluorocarbons to hexafluoropropylene |
| US3009966A (en) * | 1960-02-08 | 1961-11-21 | Pennsalt Chemicals Corp | Production of fluorinated compounds |
| NL269647A (sl) * | 1960-09-28 | |||
| US3446858A (en) * | 1963-03-30 | 1969-05-27 | Daikin Ind Ltd | Process for the manufacture of hexafluoropropene |
| DE1519961A1 (de) * | 1965-08-17 | 1969-06-26 | Brown Boveri Krupp Reaktor | Verfahren zum Entfernen von CO2 und H2O aus einem Gasstrom |
| US3578721A (en) * | 1967-12-14 | 1971-05-11 | Du Pont | Process for reducing the formation of polymer attendant the pyrolysis of tetrafluoroethylene |
-
1972
- 1972-06-12 US US261629A patent/US3873630A/en not_active Expired - Lifetime
-
1973
- 1973-05-28 CA CA172,485A patent/CA1015771A/en not_active Expired
- 1973-06-07 JP JP6344673A patent/JPS5728696B2/ja not_active Expired
- 1973-06-08 FR FR7321021A patent/FR2187743B1/fr not_active Expired
- 1973-06-11 GB GB2771973A patent/GB1384036A/en not_active Expired
- 1973-06-11 IT IT50667/73A patent/IT989657B/it active
- 1973-06-12 DE DE2329750A patent/DE2329750C2/de not_active Expired
- 1973-06-12 NL NL7308149A patent/NL7308149A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2187743A1 (sl) | 1974-01-18 |
| CA1015771A (en) | 1977-08-16 |
| JPS5728696B2 (sl) | 1982-06-18 |
| NL7308149A (sl) | 1973-12-14 |
| IT989657B (it) | 1975-06-10 |
| US3873630A (en) | 1975-03-25 |
| GB1384036A (en) | 1975-02-19 |
| DE2329750C2 (de) | 1982-07-29 |
| DE2329750A1 (de) | 1974-01-03 |
| JPS4948608A (sl) | 1974-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |