BE496576A - - Google Patents
Info
- Publication number
- BE496576A BE496576A BE496576DA BE496576A BE 496576 A BE496576 A BE 496576A BE 496576D A BE496576D A BE 496576DA BE 496576 A BE496576 A BE 496576A
- Authority
- BE
- Belgium
- Prior art keywords
- bearing
- roller
- rollers
- present
- double
- 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
- C07C253/34—Separation; Purification
Description
<Desc/Clms Page number 1> EMI1.1 Rolalement à rouleaux à double rangée. La. présente invention se rapporte à un rouleront à rculeaux EMI1.2 à .uto-a1ignement ayant dos carctér1st1ques qui à différente points de vue sont supérieures à celles des types de roulement à rouleaux connus jusqu'à présent. L'invention, qui s'applique EMI1.3 à des roulements à double razyGa, est pr1nc1palecont oaractéri- sée par la combinaison de rouleaux str1uesl d'un anneau de guidage libre entre les rangées de rouleaux et de or-Ses du type à fenêtre. La présente invention est illustrée par le dessin annexé, EMI1.4 qui représente une coupe 6. travers une forne ie rJal1S&t1oL 3'an roulement. L's.n'.sa'n extérieur 1 du roulement ast aluni intérieu- =o-o-t #'"x> : c40 da roulenent shér1ue 2 oomwxo aax daujc ren-
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US101201A US2526676A (en) | 1949-06-24 | 1949-06-24 | Process for producing acrylonitrile |
Publications (1)
Publication Number | Publication Date |
---|---|
BE496576A true BE496576A (fr) |
Family
ID=22283481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE496576D BE496576A (fr) | 1949-06-24 |
Country Status (4)
Country | Link |
---|---|
US (1) | US2526676A (fr) |
BE (1) | BE496576A (fr) |
FR (1) | FR1011601A (fr) |
NL (1) | NL154036B (fr) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2733259A (en) * | 1956-01-31 | Manufacture of acrylonitrile from | ||
US2649472A (en) * | 1950-08-28 | 1953-08-18 | Monsanto Chemicals | Process for producing acrylonitrile |
US2684978A (en) * | 1951-04-02 | 1954-07-27 | Monsanto Chemicals | Process for producing acrylonitrile |
US2782148A (en) * | 1951-06-22 | 1957-02-19 | Ciba Ltd | Process for the purification of acrylic acid nitrile |
US2719169A (en) * | 1951-06-30 | 1955-09-27 | Eastman Kodak Co | Method of refining crude acrylonitrile |
US2653965A (en) * | 1951-07-21 | 1953-09-29 | Olin Mathieson | Production of acrylonitrile |
US2695871A (en) * | 1951-09-25 | 1954-11-30 | Abbott Lab | Rotary molecular vacuum still |
US2738030A (en) * | 1951-10-05 | 1956-03-13 | Basf Ag | Separation of flowing gas mixtures |
DE1134066B (de) * | 1951-12-29 | 1962-08-02 | Stockholms Superfosfat Fab Ab | Verfahren zur Reinigung von Divinylacetylen enthaltendem Rohacrylsaeurenitril durch azeotrope Destillation |
DE1112066B (de) * | 1952-10-27 | 1961-08-03 | Monsanto Chemicals | Verfahren zur Gewinnung von reinem Acrylsaeurenitril durch Reinigen von rohem Acrylsaeurenitril |
US2672434A (en) * | 1952-10-27 | 1954-03-16 | Monsanto Chemicals | Purification of acrylonitrile by distillation |
US2672435A (en) * | 1952-12-04 | 1954-03-16 | Monsanto Chemicals | Acrylonitrile purification process by distillation |
IT506089A (fr) * | 1952-12-04 | |||
US2784214A (en) * | 1955-02-10 | 1957-03-05 | Eastman Kodak Co | Process for making acrylonitrile |
US2792415A (en) * | 1955-05-19 | 1957-05-14 | Monsanto Chemicals | Purification of acrylonitrile |
US2820812A (en) * | 1955-06-10 | 1958-01-21 | Derives De L Acetylene Soc Ind | Manufacture of acrylic nitrile |
US2937196A (en) * | 1957-06-06 | 1960-05-17 | American Cyanamid Co | Lactonitrile |
US2947777A (en) * | 1957-11-26 | 1960-08-02 | Monsanto Chemicals | Purification of acrylonitrile |
DE1212962B (de) * | 1960-08-12 | 1966-03-24 | Knapsack Ag | Verfahren zur Abtrennung und Gewinnung von Acrylsaeurenitril und Ammoniak aus gasfoermigen Gemischen durch Auswaschen |
CA853174A (en) * | 1967-06-24 | 1970-10-06 | Farbenfabriken Bayer Aktiengesellschaft | Process for the separation of acrylonitrile and acetonitrile |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2324854A (en) * | 1940-01-01 | 1943-07-20 | Kurtz Peter | Process for separation of acrylic acid nitrile |
US2385327A (en) * | 1941-10-04 | 1945-09-25 | American Cyanamid Co | Method of producing acrylonitrile |
-
0
- BE BE496576D patent/BE496576A/fr unknown
-
1949
- 1949-06-24 US US101201A patent/US2526676A/en not_active Expired - Lifetime
-
1950
- 1950-02-07 FR FR1011601D patent/FR1011601A/fr not_active Expired
- 1950-06-07 NL NL676708112A patent/NL154036B/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL154036B (fr) | 1952-09-15 |
US2526676A (en) | 1950-10-24 |
FR1011601A (fr) | 1952-06-25 |
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