AT13770T
Process for preparing polyarylates
Abstract
This record has no abstract on file.
Term
No projected expiry on record.
- Priority
- Filed
- Granted
- Today
9 members in 6 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 12699480 | United States of America | A |
Members9
| Document | Office | Kind | |
|---|---|---|---|
| EP0035269A2 | European Patent Office (EPO) | A2 | |
| EP0035269A3 | European Patent Office (EPO) | A3 | |
| JPS56139528A | Japan | A | |
| US4374239A | United States of America | A | |
| CA1170800A | Canada | A | |
| EP0035269B1 | European Patent Office (EPO) | B1 | |
| AT13770TThis record | Austria | T | |
| DE3170919D1 | Germany | D1 | |
| JPH0143771B2 | Japan | B2 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Ceased as to paragraph 5 lit. 3 law introducing patent treatiesCeasedRER | RER |
Numbers
- Application
- 81101491
Titles2
- German
- VERFAHREN ZUR HERSTELLUNG AROMATISCHER POLYESTER.
- English
- PROCESS FOR PREPARING AROMATIC POLYESTERS.
Classification
- IPC, 5
- C08G63 00
- C08G63 18
- C08G63 19
- C08G63 688
- C08G63 80