BE474492A - - Google Patents
Info
- Publication number
- BE474492A BE474492A BE474492A BE474492A BE474492A BE 474492 A BE474492 A BE 474492A BE 474492 A BE474492 A BE 474492A BE 474492 A BE474492 A BE 474492A BE 474492 A BE474492 A BE 474492A
- Authority
- BE
- Belgium
- Prior art keywords
- nitrile
- water
- layer
- distillate
- distillation
- Prior art date
Links
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S203/00—Distillation: processes, separatory
- Y10S203/03—Acrylonitrile
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 |
---|---|---|---|
US302072A US2404163A (en) | 1939-10-31 | 1939-10-31 | Method of refining crude olefinic nitriles |
Publications (1)
Publication Number | Publication Date |
---|---|
BE474492A true BE474492A (d) | 1947-08-30 |
Family
ID=23166141
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE474492A BE474492A (d) | 1939-10-31 | 1947-07-11 |
Country Status (2)
Country | Link |
---|---|
US (1) | US2404163A (d) |
BE (1) | BE474492A (d) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2453472A (en) * | 1944-10-12 | 1948-11-09 | Sinclair Refining Co | Dehydration of saturated nitriles |
US2582214A (en) * | 1946-03-20 | 1952-01-08 | Distillers Co Yeast Ltd | Process for drying alcohols and ketones |
US2542752A (en) * | 1949-05-27 | 1951-02-20 | Shell Dev | Dehydration of acrolein by stratification and distillation |
US2527660A (en) * | 1949-07-12 | 1950-10-31 | Allied Chem & Dye Corp | Methacrylonitrile purification |
US2621204A (en) * | 1950-01-26 | 1952-12-09 | Celanese Corp | Production of acrylonitrile |
US2719169A (en) * | 1951-06-30 | 1955-09-27 | Eastman Kodak Co | Method of refining crude acrylonitrile |
US2681306A (en) * | 1952-02-06 | 1954-06-15 | Du Pont | Purification of acrylonitrile by extractive distillation |
US2836614A (en) * | 1952-08-13 | 1958-05-27 | Distillers Co Yeast Ltd | Process for producing unsaturated nitriles |
NL262785A (d) * | 1960-04-07 | |||
US3074968A (en) * | 1960-06-03 | 1963-01-22 | American Viscose Corp | Method of separating a mixture of tetrahydrofuran, toluene and water |
US3155599A (en) * | 1962-08-22 | 1964-11-03 | Standard Oil Co | Removal of saturated carbonyl compounds from unsaturated nitriles |
US3149055A (en) * | 1962-08-22 | 1964-09-15 | Standard Oil Co | Purification of olefinically unsaturated nitriles |
-
1939
- 1939-10-31 US US302072A patent/US2404163A/en not_active Expired - Lifetime
-
1947
- 1947-07-11 BE BE474492A patent/BE474492A/fr unknown
Also Published As
Publication number | Publication date |
---|---|
US2404163A (en) | 1946-07-16 |
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