BE681220A - - Google Patents
Info
- Publication number
- BE681220A BE681220A BE681220DA BE681220A BE 681220 A BE681220 A BE 681220A BE 681220D A BE681220D A BE 681220DA BE 681220 A BE681220 A BE 681220A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/46—Preparation of carboxylic acid esters from ketenes or polyketenes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEW39182A DE1260459B (de) | 1965-05-19 | 1965-05-19 | Verfahren zur kontinuierlichen Herstellung von Acetessigsaeureestern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE681220A true BE681220A (cs) | 1966-11-18 |
Family
ID=7602027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE681220D BE681220A (cs) | 1965-05-19 | 1966-05-18 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5019537B1 (cs) |
| BE (1) | BE681220A (cs) |
| CH (1) | CH462137A (cs) |
| DE (1) | DE1260459B (cs) |
| GB (1) | GB1143765A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442907B (zh) * | 2010-10-12 | 2015-04-08 | 上海华谊工程技术有限公司 | 脱除乙酰乙酸酯反应液中有机胺催化剂和醋酐的方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT217442B (de) * | 1959-08-13 | 1961-10-10 | Lonza Ag | Verfahren zur Herstellung von Acetessigsäureestern |
-
0
- GB GB1143765D patent/GB1143765A/en active Active
-
1965
- 1965-05-19 DE DEW39182A patent/DE1260459B/de active Pending
-
1966
- 1966-05-18 BE BE681220D patent/BE681220A/xx unknown
- 1966-05-18 CH CH723166A patent/CH462137A/de unknown
- 1966-05-19 JP JP41032032A patent/JPS5019537B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5019537B1 (cs) | 1975-07-08 |
| CH462137A (de) | 1968-09-15 |
| GB1143765A (cs) | |
| DE1260459B (de) | 1968-02-08 |