BE684803A - - Google Patents
Info
- Publication number
- BE684803A BE684803A BE684803DA BE684803A BE 684803 A BE684803 A BE 684803A BE 684803D A BE684803D A BE 684803DA BE 684803 A BE684803 A BE 684803A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C233/00—Carboxylic acid amides
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 |
|---|---|---|---|
| FR28185A FR1454462A (fr) | 1965-08-12 | 1965-08-12 | Procédé de récupération des alkylamides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE684803A true BE684803A (US20090163788A1-20090625-C00002.png) | 1967-01-30 |
Family
ID=8586563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE684803D BE684803A (US20090163788A1-20090625-C00002.png) | 1965-08-12 | 1966-07-29 |
Country Status (6)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3536593A (en) * | 1968-09-25 | 1970-10-27 | Gulf Research Development Co | Process for separating hydrocarbons from amines by conversion to amine salts and azeotrope distillation |
| DE2613229A1 (de) * | 1976-03-27 | 1977-10-06 | Bayer Ag | Verfahren zur rueckgewinnung von loesungsmitteln bei der herstellung von synthesefasern |
| DE2631734B2 (de) * | 1976-07-15 | 1978-11-30 | Bayer Ag, 5090 Leverkusen | Verfahren zur Ruckgewinnung von Dimethylac) !amiden |
| US4484396A (en) * | 1979-07-02 | 1984-11-27 | United Air Specialists, Inc. | Oxygen reduction system and condenser apparatus with automatic defrost |
| US4365480A (en) * | 1978-09-05 | 1982-12-28 | United Air Specialists, Inc. | Process gas treating apparatus |
| US4980031A (en) * | 1989-08-02 | 1990-12-25 | E. I. Du Pont De Nemours And Company | Solvent recovery |
| CN110755867A (zh) * | 2019-11-16 | 2020-02-07 | 山东众兴泽辉新材料股份有限公司 | 一种dmf废液处理装置及其处理方法 |
| CN111704305A (zh) * | 2020-07-14 | 2020-09-25 | 新乡瑞诺药业有限公司 | 一种废水回收再利用工艺及装置 |
| WO2022082752A1 (zh) * | 2020-10-23 | 2022-04-28 | 安徽金禾实业股份有限公司 | 一种dmf回收方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1934485A (en) * | 1929-10-04 | 1933-11-07 | Du Pont | Treatment of formamide |
| US2048178A (en) * | 1930-11-21 | 1936-07-21 | Shell Dev | Process for dehydrating organic compounds |
| US2126600A (en) * | 1936-04-18 | 1938-08-09 | Rohm & Haas | Separation of methylamines |
| BE427505A (US20090163788A1-20090625-C00002.png) * | 1937-05-25 | |||
| US2204371A (en) * | 1937-07-22 | 1940-06-11 | Du Pont | Process for the production of nu-substituted formamides |
| US2375036A (en) * | 1942-09-08 | 1945-05-01 | Shell Dev | Extractive distillation |
| US2570291A (en) * | 1946-12-04 | 1951-10-09 | Ici Ltd | Extractive distillation of methylamines |
| GB932827A (en) * | 1961-06-08 | 1963-07-31 | Ici Ltd | Improvements in or relating to the manufacture of dimethylformamide |
| NL299509A (US20090163788A1-20090625-C00002.png) * | 1962-10-22 | 1900-01-01 |
-
1965
- 1965-08-12 FR FR28185A patent/FR1454462A/fr not_active Expired
-
1966
- 1966-07-28 GB GB33947/66A patent/GB1115424A/en not_active Expired
- 1966-07-29 BE BE684803D patent/BE684803A/xx unknown
- 1966-08-08 US US571122A patent/US3467580A/en not_active Expired - Lifetime
- 1966-08-11 NL NL6611303A patent/NL6611303A/xx unknown
- 1966-08-12 DE DE19661568318 patent/DE1568318A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1115424A (en) | 1968-05-29 |
| US3467580A (en) | 1969-09-16 |
| DE1568318A1 (de) | 1970-02-19 |
| FR1454462A (fr) | 1966-02-11 |
| NL6611303A (US20090163788A1-20090625-C00002.png) | 1967-02-13 |
