AT9991T
Process for the production of methacrylic acid from isobutyraldehyde
Abstract
This record has no abstract on file.
Term
No projected expiry on record.
- Priority
- Filed
- Granted
- Today
9 members in 7 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 3142487 | Germany | A |
Members9
| Document | Office | Kind | |
|---|---|---|---|
| DE3142487A1 | Germany | A1 | |
| JPS5879948A | Japan | A | |
| EP0079432A1 | European Patent Office (EPO) | A1 | |
| ES8306697A1 | Spain | A1 | |
| US4469887A | United States of America | A | |
| EP0079432B1 | European Patent Office (EPO) | B1 | |
| AT9991TThis record | Austria | T | |
| DE3261071D1 | Germany | D1 | |
| CA1183866A | Canada | A |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Ceased due to non-payment of the annual feeCeasedREN | REN |
Numbers
- Application
- 82107737
Titles2
- German
- VERFAHREN ZUR HERSTELLUNG VON METHACRYLSAEURE AUS ISOBUTYRALDEHYD.
- English
- PROCESS FOR PREPARING METHACRYLIC ACID FROM ISOBUTYRALDEHYDE.
Classification
- CPC, 6
- C07D303/48
- C07C41/28
- C07C41/56
- C07C45/513
- C07C45/58
- C07C51/27
- IPC, 11
- C07C41 28
- C07C41 56
- C07C45 51
- C07C45 58
- C07C51 00
- C07C51 27
- C07C57 04
- C07C57 05
- C07C57 065
- C07C67 00
- C07D303 48