ES2059639T3
Catalyst for regulating the molecular weight distribution of ethylene polymers
Abstract
A VANADIUM-BASED CATALYST IS TREATED WITH CERTAIN COMPOUNDS CONTAINING PHOSPHORUS AS MEANS TO LIMIT AND EFFECTIVELY REGULATE THE DISTRIBUTION OF THE MOLECULAR WEIGHT OF THE POLYMERS PRODUCED WITH THE CATALYST.
Term
Term ended
Projected expiry passed 30 June 2009, 17.2 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
14 members in 8 offices
Priority claims3
| Document | Office | Kind | Date |
|---|---|---|---|
| 21458188 | United States of America | A | |
| 214581 | – | – | – |
| US19880214581 | – | – | – |
Members14
| Document | Office | Kind | |
|---|---|---|---|
| US4886771A | United States of America | A | |
| EP0349927A2 | European Patent Office (EPO) | A2 | |
| BR8903253A | Brazil | A | |
| JPH0247117A | Japan | A | |
| KR900001729A | Republic of Korea | A | |
| US4988784A | United States of America | A | |
| EP0349927A3 | European Patent Office (EPO) | A3 | |
| EP0349927B1 | European Patent Office (EPO) | B1 | |
| AT96813T | Austria | T | |
| ATE96813T1 | Austria | T1 | |
| DE68910400D1 | Germany | D1 | |
| KR940000790B1 | Republic of Korea | B1 | |
| DE68910400T2 | Germany | T2 | |
| ES2059639T3This record | Spain | T3 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Definitive protectionFG2A | FG2A |
Numbers
- Publication, DOCDB
- 2059639
- Publication, EPODOC
- ES2059639T
- Application
- 89112000
- Application, DOCDB
- 89112000
- Application, EPODOC
- ES19890112000T
Titles2
- Spanish
- CATALIZADOR PARA REGULAR LA DISTRIBUCION DEL PESO MOLECULAR DE POLIMEROS DE ETILENO.
- English
- CATALYST TO REGULATE THE DISTRIBUTION OF THE MOLECULAR WEIGHT OF ETHYLENE POLYMERS.
Classification
- CPC, 1
- C08F10/00
- IPC, 4
- C08F4 60
- C08F4 68
- C08F10 00
- C08F110 02