FR930186A - Procédé de purification de nitriles - Google Patents
Procédé de purification de nitrilesInfo
- Publication number
- FR930186A FR930186A FR930186DA FR930186A FR 930186 A FR930186 A FR 930186A FR 930186D A FR930186D A FR 930186DA FR 930186 A FR930186 A FR 930186A
- Authority
- FR
- France
- Prior art keywords
- purification process
- nitrile
- nitrile purification
- purification
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
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 |
---|---|---|---|
US394289A US2305103A (en) | 1941-05-20 | 1941-05-20 | Purification of nitriles |
Publications (1)
Publication Number | Publication Date |
---|---|
FR930186A true FR930186A (fr) | 1948-01-19 |
Family
ID=23558321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR930186D Expired FR930186A (fr) | 1941-05-20 | 1946-07-03 | Procédé de purification de nitriles |
Country Status (3)
Country | Link |
---|---|
US (1) | US2305103A (fr) |
BE (1) | BE467101A (fr) |
FR (1) | FR930186A (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2752336A (en) * | 1956-06-26 | For the pu | ||
US2419256A (en) * | 1943-11-25 | 1947-04-22 | Int Minerals & Chem Corp | Manufacture of salts of glutamic acid |
US2468436A (en) * | 1944-10-24 | 1949-04-26 | Emery Industries Inc | Method of producing carboxylic aliphatic nitriles |
US2474010A (en) * | 1946-07-22 | 1949-06-21 | Emery Industries Inc | Plasticizer |
US2594556A (en) * | 1949-09-19 | 1952-04-29 | Pest Control Ltd | Process for the purification of derivatives of phenoxyacetic acid |
US2711991A (en) * | 1951-10-13 | 1955-06-28 | Basf Ag | Production of pure adiponitrile |
US2784216A (en) * | 1954-12-28 | 1957-03-05 | Monsanto Chemicals | Purification of acrylonitrile |
US2920099A (en) * | 1957-12-30 | 1960-01-05 | Chemstrand Corp | Purification of aliphatic nitriles |
NL257583A (fr) * | 1959-11-07 | |||
US3451900A (en) * | 1966-06-14 | 1969-06-24 | Vickers Zimmer Ag | Adiponitrile recovery by multistage vacuum distillation |
GB1174601A (en) * | 1966-07-01 | 1969-12-17 | Ici Ltd | Process for the Purification of Adiponitrile |
US3725459A (en) * | 1969-08-08 | 1973-04-03 | Ube Industries | Process for purifying adiponitrile |
US3775258A (en) * | 1972-04-27 | 1973-11-27 | Du Pont Canada | Purification of adiponitrile |
US5153351A (en) * | 1992-01-06 | 1992-10-06 | E. I. Du Pont De Nemours And Company | Removal of tetrahydroazepine (tha) from 6-aminocapronitrile by reaction with reactive methylene compounds |
-
1941
- 1941-05-20 US US394289A patent/US2305103A/en not_active Expired - Lifetime
-
1946
- 1946-07-03 FR FR930186D patent/FR930186A/fr not_active Expired
- 1946-08-06 BE BE467101A patent/BE467101A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
US2305103A (en) | 1942-12-15 |
BE467101A (fr) | 1946-09-30 |
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