CH442270A - Trifluoressigsäure - Google Patents
TrifluoressigsäureInfo
- Publication number
- CH442270A CH442270A CH973264A CH973264A CH442270A CH 442270 A CH442270 A CH 442270A CH 973264 A CH973264 A CH 973264A CH 973264 A CH973264 A CH 973264A CH 442270 A CH442270 A CH 442270A
- Authority
- CH
- Switzerland
- Prior art keywords
- trifluoroacetic acid
- trifluoroacetic
- acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/04—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid halides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US298597A US3288850A (en) | 1963-07-30 | 1963-07-30 | Manufacture of trifluoroacetic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
CH442270A true CH442270A (de) | 1967-08-31 |
Family
ID=23151203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH973264A CH442270A (de) | 1963-07-30 | 1964-07-24 | Trifluoressigsäure |
Country Status (5)
Country | Link |
---|---|
US (1) | US3288850A (de) |
BE (1) | BE651103A (de) |
CH (1) | CH442270A (de) |
DE (1) | DE1229062B (de) |
ES (1) | ES302482A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2200725C3 (de) * | 1972-01-07 | 1979-11-08 | Kali-Chemie Ag, 3000 Hannover | Verfahren zur Herstellung von Trifluoressigsäure |
US4026930A (en) * | 1975-07-14 | 1977-05-31 | Phillips Petroleum Company | Azeotropic distillation of 1,1,1,3,3,3-hexafluoroisopropyl trifluoroacetate with fluorotrichloromethane |
JPS60197635A (ja) * | 1984-03-21 | 1985-10-07 | Central Glass Co Ltd | トリフルオロ酢酸誘導体の製造法 |
US5296640A (en) * | 1992-09-15 | 1994-03-22 | E. I. Du Pont De Nemours And Company | Process for preparing perhaloacyl chlorides |
FR2921565B1 (fr) * | 2007-09-28 | 2011-05-20 | Rhodia Operations | Procede de recuperation d'acides fluorocarboxyliques |
US11111201B2 (en) | 2017-04-26 | 2021-09-07 | Solvay Sa | Reduction of content of carboxylic acids and derivatives thereof in oleum, disulfuric acid or concentrated sulfuric acid |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2922816A (en) * | 1960-01-26 | |||
DE1052390B (de) * | 1953-09-24 | 1959-03-12 | Bayer Ag | Verfahren zur Herstellung von Perfluorfettsaeuren |
US2870213A (en) * | 1957-05-20 | 1959-01-20 | Allied Chem | Difluorochloroacetaldehyde and process |
US3160659A (en) * | 1960-05-20 | 1964-12-08 | Halocarbon Prod Corp | Preparation of perfluoro-and perchlorofluoro-acetyl chloride |
-
1963
- 1963-07-30 US US298597A patent/US3288850A/en not_active Expired - Lifetime
-
1964
- 1964-07-24 CH CH973264A patent/CH442270A/de unknown
- 1964-07-28 BE BE651103A patent/BE651103A/xx unknown
- 1964-07-28 DE DEA46704A patent/DE1229062B/de active Pending
- 1964-07-28 ES ES0302482A patent/ES302482A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES302482A1 (es) | 1965-01-16 |
BE651103A (de) | 1964-11-16 |
US3288850A (en) | 1966-11-29 |
DE1229062B (de) | 1966-11-24 |
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