BE694443A - - Google Patents
Info
- Publication number
- BE694443A BE694443A BE694443DA BE694443A BE 694443 A BE694443 A BE 694443A BE 694443D A BE694443D A BE 694443DA BE 694443 A BE694443 A BE 694443A
- Authority
- BE
- Belgium
Links
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
- C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
- C07C17/386—Separation; Purification; Stabilisation; Use of additives by distillation with auxiliary compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH263566A CH471760A (de) | 1966-02-23 | 1966-02-23 | Verfahren zur Trennung von Gemischen von aliphatischen Fluorverbindungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE694443A true BE694443A (bs) | 1967-08-22 |
Family
ID=4238182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE694443D BE694443A (bs) | 1966-02-23 | 1967-02-22 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3449218A (bs) |
| JP (1) | JPS5017446B1 (bs) |
| BE (1) | BE694443A (bs) |
| CH (1) | CH471760A (bs) |
| DE (1) | DE1618208A1 (bs) |
| FR (1) | FR1512002A (bs) |
| GB (1) | GB1130063A (bs) |
| NL (1) | NL6702714A (bs) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3732150A (en) * | 1971-10-22 | 1973-05-08 | Phillips Petroleum Co | Process for separating halogenated hydrocarbons by azeotropic distillation with ammonia |
| US3850759A (en) * | 1973-10-23 | 1974-11-26 | W Hutchinson | Purification of partially fluorinated cyclobutanes |
| US4173654A (en) * | 1977-01-03 | 1979-11-06 | California Institute Of Technology | Novel fluorohydrocarbons |
| US4801763A (en) * | 1987-07-27 | 1989-01-31 | Occidental Chemical Corporation | Selective chlorination of chlorotrifluoroethylene telomers |
| JP2610538B2 (ja) * | 1990-04-13 | 1997-05-14 | 日本メクトロン株式会社 | パーフルオロ（プロピルビニルエーテル）の精製法 |
| US5401429A (en) * | 1993-04-01 | 1995-03-28 | Minnesota Mining And Manufacturing Company | Azeotropic compositions containing perfluorinated cycloaminoether |
| US5494601A (en) * | 1993-04-01 | 1996-02-27 | Minnesota Mining And Manufacturing Company | Azeotropic compositions |
| BR9402038A (pt) * | 1993-05-25 | 1995-03-07 | Showa Denko Kk | Processo de purificação de pentaflúor etano |
| ES2140682T3 (es) * | 1994-02-07 | 2000-03-01 | Du Pont | Procedimiento para separar pentafluoroetano de una mezcla que comprende hidrocarburos halogenados y cloropentafluoroetano. |
| US5470442A (en) * | 1994-03-11 | 1995-11-28 | E. I. Du Pont De Nemours And Company | Separating and removing impurities from tetrafluoroethanes by using extractive distillation |
| US5723429A (en) * | 1994-03-11 | 1998-03-03 | E. I. Du Pont De Nemours And Company | Azeotropic or azeotrope-like compositions of tetrafluoroethane and chlorotetrafluoroethane |
| WO1996023752A1 (en) * | 1995-02-01 | 1996-08-08 | E.I. Du Pont De Nemours And Company | SEPARATING AND REMOVING IMPURITIES FROM 1,1,1-TRIFLUOROETHANE (HFC-143a) BY USING EXTRACTIVE DISTILLATION |
| CN103936547B (zh) * | 2014-04-30 | 2016-01-13 | 上海杰视医疗科技有限公司 | 一种全氟辛烷的纯化方法 |
| JP2017110035A (ja) * | 2015-12-14 | 2017-06-22 | 三井・デュポンフロロケミカル株式会社 | 共沸混合物様組成物 |
| JP7292307B2 (ja) * | 2018-05-03 | 2023-06-16 | ザ ケマーズ カンパニー エフシー リミテッド ライアビリティ カンパニー | ペルフルオロヘプテンを含む三成分及び四成分共沸混合物及び共沸様組成物 |
| US11767494B2 (en) * | 2018-05-03 | 2023-09-26 | The Chemours Company Fc, Llc | Binary azeotrope and azeotrope-like compositions comprising perfluoroheptene |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2604439A (en) * | 1952-07-22 | Distillation of | ||
| US2549609A (en) * | 1944-10-27 | 1951-04-17 | Kenneth C Johnson | Separation of fluorinated hydrocarbons by distillation with hydrogen fluoride |
| US2442589A (en) * | 1946-03-19 | 1948-06-01 | Atomic Energy Commission | Purification of perfluoroheptane by azeotropic distillation with methyl ethyl ketone |
-
1966
- 1966-02-23 CH CH263566A patent/CH471760A/de not_active IP Right Cessation
-
1967
- 1967-02-14 DE DE19671618208 patent/DE1618208A1/de active Pending
- 1967-02-15 US US616193A patent/US3449218A/en not_active Expired - Lifetime
- 1967-02-20 FR FR95663A patent/FR1512002A/fr not_active Expired
- 1967-02-20 GB GB7885/67A patent/GB1130063A/en not_active Expired
- 1967-02-22 BE BE694443D patent/BE694443A/xx unknown
- 1967-02-22 NL NL6702714A patent/NL6702714A/xx unknown
- 1967-02-23 JP JP42011243A patent/JPS5017446B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5017446B1 (bs) | 1975-06-20 |
| CH471760A (de) | 1969-04-30 |
| DE1618208A1 (de) | 1970-12-10 |
| NL6702714A (bs) | 1967-08-24 |
| GB1130063A (en) | 1968-10-09 |
| US3449218A (en) | 1969-06-10 |
| FR1512002A (fr) | 1968-02-02 |