ES2168337T3
Process for preparing macrocyclic polyester oligomers
Abstract
A PROCESS TO PRODUCE MACROCYCLIC POLYESTER OLIGOMERS IS PRESENTED FROM POLYESTER LINEARS AND THE PROCESS INCLUDES THE STEPS OF COMBINING POLYESTER LINEARS AND ORGANIC SOLVENTS THAT HAVE A TIN CATALYST PRESENT IN THEM.
Term
Term ended
Projected expiry passed 2 August 2015, 11.1 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
11 members in 7 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 19940298706 | United States of America | – | |
| 29870694 | United States of America | A | |
| 29870694 | United States of America | A | |
| 95305426 | – | – | – |
| US19940298706 | – | – | – |
Members11
| Document | Office | Kind | |
|---|---|---|---|
| US5407984A | United States of America | A | |
| EP0699701A2 | European Patent Office (EPO) | A2 | |
| JPH08198962A | Japan | A | |
| EP0699701A3 | European Patent Office (EPO) | A3 | |
| SG34979A1 | Singapore | A1 | |
| TW386996B | Taiwan Province of China | B | |
| EP0699701B1 | European Patent Office (EPO) | B1 | |
| DE69525198D1 | Germany | D1 | |
| ES2168337T3This record | Spain | T3 | |
| DE69525198T2 | Germany | T2 | |
| JP3426064B2 | Japan | B2 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Definitive protectionFG2A | FG2A |
Numbers
- Publication
- 2168337
- Publication, DOCDB
- 2168337
- Publication, EPODOC
- ES2168337T
- Application
- 95305426
- Application, DOCDB
- 95305426
- Application, EPODOC
- ES19950305426T
Titles2
- Spanish
- PROCESO PARA LA PRODUCCION DE OLIGOMEROS MACROCICLICO DE POLIESTER.
- English
- PROCESS FOR THE PRODUCTION OF MACROCYCLIC POLYESTER OLIGOMERS.
Classification
- CPC, 2
- C08G63/85
- C08G63/81
- IPC, 5
- C08G63 181
- C08G63 81
- C08G63 82
- C08G63 85
- C08G63 91