AT15807T
High-molecular weight water-soluble polymers, their preparation and their use
Abstract
This record has no abstract on file.
Term
No projected expiry on record.
- Priority
- Filed
- Granted
- Today
22 members in 13 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 3027422 | Germany | A |
Members22
| Document | Office | Kind | |
|---|---|---|---|
| DK320481A | Denmark | A | |
| NO812310L | Norway | L | |
| EP0044508A2 | European Patent Office (EPO) | A2 | |
| AU7309181A | Australia | A | |
| DE3027422A1 | Germany | A1 | |
| JPS5751707A | Japan | A | |
| BR8104602A | Brazil | A | |
| EP0044508A3 | European Patent Office (EPO) | A3 | |
| ZA814908B | South Africa | B | |
| DD202037A5 | German Democratic Republic (until 1990) | A5 | |
| US4451631A | United States of America | A | |
| US4521579A | United States of America | A | |
| EP0044508B1 | European Patent Office (EPO) | B1 | |
| AT15807TThis record | Austria | T | |
| ATE15807T1 | Austria | T1 | |
| DE3172431D1 | Germany | D1 | |
| CA1198548A | Canada | A | |
| SU1237089A3 | Soviet Union (until 1991) | A3 | |
| NO160264B | Norway | B | |
| NO160264C | Norway | C | |
| EP0044508B2 | European Patent Office (EPO) | B2 | |
| JPH0322404B2 | Japan | B2 |
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
- 81105507
Titles2
- German
- HOCHMOLEKULAR WASSERLOESLICHE COPOLYMERISATE, IHRE HERSTELLUNG UND VERWENDUNG.
- English
- HIGHLY MOLECULAR WATER-SOLUBLE COPOLYMERISATES, THEIR PREPARATION AND USE.
Classification
- CPC, 6
- C10G1/00
- C08F220/56
- C08F220/58
- C08F226/02
- C09K8/588
- Y10S507/936
- IPC, 11
- C08F20 00
- C08F20 52
- C08F220 56
- C08F220 58
- C08F226 02
- C08F228 02
- C08F26 00
- C08F28 00
- C09K8 588
- C10G1 00
- E21B43 22