DE2805990C2 - - Google Patents
Info
- Publication number
- DE2805990C2 DE2805990C2 DE19782805990 DE2805990A DE2805990C2 DE 2805990 C2 DE2805990 C2 DE 2805990C2 DE 19782805990 DE19782805990 DE 19782805990 DE 2805990 A DE2805990 A DE 2805990A DE 2805990 C2 DE2805990 C2 DE 2805990C2
- Authority
- DE
- Germany
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782805990 DE2805990A1 (de) | 1978-02-13 | 1978-02-13 | Verfahren zur herstellung von phthalaldehydsaeure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782805990 DE2805990A1 (de) | 1978-02-13 | 1978-02-13 | Verfahren zur herstellung von phthalaldehydsaeure |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2805990A1 DE2805990A1 (de) | 1979-08-16 |
DE2805990C2 true DE2805990C2 (US06623731-20030923-C00052.png) | 1987-02-05 |
Family
ID=6031814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19782805990 Granted DE2805990A1 (de) | 1978-02-13 | 1978-02-13 | Verfahren zur herstellung von phthalaldehydsaeure |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE2805990A1 (US06623731-20030923-C00052.png) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104447304A (zh) * | 2014-11-26 | 2015-03-25 | 太仓运通生物化工有限公司 | 一种邻羧基苯甲醛的制备方法 |
-
1978
- 1978-02-13 DE DE19782805990 patent/DE2805990A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
DE2805990A1 (de) | 1979-08-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: HUELS TROISDORF AG, 5210 TROISDORF, DE |
|
8327 | Change in the person/name/address of the patent owner |
Owner name: HUELS AG, 4370 MARL, DE |
|
8339 | Ceased/non-payment of the annual fee |