BE474210R - Perfectionnements à la production des nitriles oléfiniques - Google Patents
Perfectionnements à la production des nitriles oléfiniquesInfo
- Publication number
- BE474210R BE474210R BE474210A BE474210A BE474210R BE 474210 R BE474210 R BE 474210R BE 474210 A BE474210 A BE 474210A BE 474210 A BE474210 A BE 474210A BE 474210 R BE474210 R BE 474210R
- Authority
- BE
- Belgium
- Prior art keywords
- production
- olefinic nitriles
- nitriles
- olefinic
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/30—Preparation of carboxylic acid nitriles by reactions not involving the formation of cyano groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C253/00—Preparation of carboxylic acid nitriles
- C07C253/32—Separation; Purification; Stabilisation; Use of additives
- C07C253/34—Separation; Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US655610A US2461492A (en) | 1946-03-19 | 1946-03-19 | Production of acrylonitrile |
Publications (1)
Publication Number | Publication Date |
---|---|
BE474210R true BE474210R (fr) | 1947-07-31 |
Family
ID=24629603
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE474173A BE474173A (fr) | 1946-03-19 | 1947-06-28 | Perfectionnements à la production des nitriles oléfiniques |
BE474210A BE474210R (fr) | 1946-03-19 | 1947-06-30 | Perfectionnements à la production des nitriles oléfiniques |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE474173A BE474173A (fr) | 1946-03-19 | 1947-06-28 | Perfectionnements à la production des nitriles oléfiniques |
Country Status (3)
Country | Link |
---|---|
US (1) | US2461492A (fr) |
BE (2) | BE474173A (fr) |
FR (2) | FR914365A (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2503710A (en) * | 1948-01-24 | 1950-04-11 | Rohm & Haas | Method for making 1-cyano-1,3-butadiene |
US2646444A (en) * | 1951-07-07 | 1953-07-21 | American Cyanamid Co | Production of acrylonitrile by catalytic dehydration of ethylene cyanohydrin |
US2690452A (en) * | 1951-07-07 | 1954-09-28 | American Cyanamid Co | Catalytic dehydration of ethylene cyanohydrin to acrylonitrile |
US2729670A (en) * | 1952-04-10 | 1956-01-03 | Stamicarbon | Manufacture of acrylonitrile |
DE962430C (de) * | 1952-04-10 | 1957-04-25 | Stamicarbon | Verfahren zur Herstellung von Acrylsaeurenitril durch Wasserabspaltung aus AEthylencyanhydrin |
DE1112066B (de) * | 1952-10-27 | 1961-08-03 | Monsanto Chemicals | Verfahren zur Gewinnung von reinem Acrylsaeurenitril durch Reinigen von rohem Acrylsaeurenitril |
US2802869A (en) * | 1952-12-08 | 1957-08-13 | Dow Chemical Co | Method of making cinnamic acid and salts thereof |
DE1153014B (de) * | 1959-09-29 | 1963-08-22 | Knapsack Ag | Verfahren zur Herstellung von ª‡,ª‰-ungesaettigten Carbonsaeurenitrilen durch Wasserabspaltung aus Hydroxycarbonsaeurenitrilen |
US2832798A (en) * | 1955-06-30 | 1958-04-29 | American Cyanamid Co | Preparation of acrylonitrile from beta, beta'-oxydipropionitrile |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE496372C (de) * | 1925-10-02 | 1930-04-24 | I G Farbenindustrie Akt Ges | Verfahren zur Herstellung von Acrylsaeurenitril |
US1858151A (en) * | 1927-06-02 | 1932-05-10 | Firm Of Deutsche Gold Und Silb | Process for concentrating volatile aliphatic acids |
DE510712C (de) * | 1928-01-22 | 1930-10-22 | I G Farbenindustrie Akt Ges | Verfahren zur Gewinnung von Ketonen |
US2082000A (en) * | 1933-10-31 | 1937-06-01 | Celanese Corp | Process for concentrating aliphatic acids |
US2389607A (en) * | 1940-08-24 | 1945-11-27 | Dow Chemical Co | Preparation of alkenyl cyanides |
US2356247A (en) * | 1941-04-12 | 1944-08-22 | American Cyanamid Co | Process for producing unsaturated derivatives of alpha-hydroxyisobutyric acid esters |
US2374051A (en) * | 1941-05-17 | 1945-04-17 | Rohm & Haas | Manufacture of acrylonitrile from ethylene cyanohydrin |
US2375005A (en) * | 1941-08-08 | 1945-05-01 | Goodrich Co B F | Preparation of alpha-beta unsaturated nitriles |
US2392303A (en) * | 1943-08-04 | 1946-01-08 | Air Reduction | Production of acrylic nitrile |
-
1945
- 1945-09-11 FR FR914365D patent/FR914365A/fr not_active Expired
-
1946
- 1946-03-19 US US655610A patent/US2461492A/en not_active Expired - Lifetime
-
1947
- 1947-03-19 FR FR943446D patent/FR943446A/fr not_active Expired
- 1947-06-28 BE BE474173A patent/BE474173A/fr unknown
- 1947-06-30 BE BE474210A patent/BE474210R/fr active
Also Published As
Publication number | Publication date |
---|---|
US2461492A (en) | 1949-02-08 |
BE474173A (fr) | 1947-07-31 |
FR914365A (fr) | 1946-10-07 |
FR943446A (fr) | 1949-03-08 |
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