BE707979A - - Google Patents
Info
- Publication number
- BE707979A BE707979A BE707979DA BE707979A BE 707979 A BE707979 A BE 707979A BE 707979D A BE707979D A BE 707979DA BE 707979 A BE707979 A BE 707979A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60185166A | 1966-12-15 | 1966-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE707979A true BE707979A (xx) | 1968-06-14 |
Family
ID=24409019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE707979D BE707979A (xx) | 1966-12-15 | 1967-12-14 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE707979A (xx) |
| DE (1) | DE1668567A1 (xx) |
| FR (1) | FR1549711A (xx) |
| GB (1) | GB1165278A (xx) |
| NL (1) | NL6717010A (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6946060B2 (en) * | 2002-07-01 | 2005-09-20 | Mallinckrodt Inc. | Purification of N,N-dimethylacetamide |
| CN100342986C (zh) * | 2004-12-22 | 2007-10-17 | 哈尔滨工业大学 | 从头孢哌酮钠生产废液中回收二甲基乙酰胺的方法 |
| CN112574059B (zh) * | 2019-09-29 | 2022-10-11 | 中国石油化工股份有限公司 | N,n-二甲基乙酰胺-乙酸混合体系的分离 |
| CN111454169B (zh) * | 2020-03-31 | 2023-03-28 | 苏州予信天材新材料应用技术有限公司 | 一种含n,n-二甲基乙酰胺的废有机溶剂的回收方法 |
| CN114057596B (zh) * | 2020-07-31 | 2024-07-09 | 中国石油化工股份有限公司 | 一种脱除二甲基乙酰胺中有机酸的方法 |
| CN114436883B (zh) * | 2020-10-19 | 2024-06-28 | 中国石油化工股份有限公司 | 一种从多元溶液体系中回收n,n-二甲基乙酰胺的方法 |
-
1967
- 1967-12-14 NL NL6717010A patent/NL6717010A/xx unknown
- 1967-12-14 FR FR1549711D patent/FR1549711A/fr not_active Expired
- 1967-12-14 GB GB5684167A patent/GB1165278A/en not_active Expired
- 1967-12-14 BE BE707979D patent/BE707979A/xx unknown
- 1967-12-15 DE DE19671668567 patent/DE1668567A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR1549711A (xx) | 1968-12-13 |
| GB1165278A (en) | 1969-09-24 |
| DE1668567A1 (de) | 1971-09-02 |
| NL6717010A (xx) | 1968-06-17 |