ES2125347T3
Electrically conductive compositions of carbon particles and methods for their production.
Abstract
ELECTRICALLY CONDUCTIVE COMPOSITIONS OF CARBON PARTICLES HAVE BEEN PRESENTED THAT HAVE THIN COATINGS OF A CONDUCTIVE POLYMER. THIN COATINGS OF CONDUCTIVE POLYMER INTERACT ELECTRICALLY WITH EACH CARBON PARTICLE AND PROTECT CARBON PARTICLES FROM CONDUCTIVE FAILURES. BECAUSE THE CONDUCTIVE COMPOSITIONS OF COATED CARBON PARTICLES MAINTAIN THEIR CONDUCTIVITY CHARACTERISTICS EVEN AFTER LONG EXPOSURE TO CHEMICALS, THEY ARE USEFUL AS FILLING MATERIALS USED FOR USED POLYMER COMPOSITIONS.
Term
Term ended
Projected expiry passed 8 July 2013, 13.2 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
13 members in 7 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 19920930738 | United States of America | – | |
| 93073892 | United States of America | A | |
| 93073892 | United States of America | A | |
| 93918170 | – | – | – |
| US19920930738 | – | – | – |
Members13
| Document | Office | Kind | |
|---|---|---|---|
| CA2142355A1 | Canada | A1 | |
| WO9405016A1 | World Intellectual Property Organization (WIPO) | A1 | |
| WO9411885A1 | World Intellectual Property Organization (WIPO) | A1 | |
| EP0655165A1 | European Patent Office (EPO) | A1 | |
| EP0655165A4 | European Patent Office (EPO) | A4 | |
| US5498372A | United States of America | A | |
| JPH08502762A | Japan | A | |
| EP0655165B1 | European Patent Office (EPO) | B1 | |
| DE69321959D1 | Germany | D1 | |
| ES2125347T3This record | Spain | T3 | |
| DE69321959T2 | Germany | T2 | |
| US6132645A | United States of America | A | |
| CA2142355C | Canada | C |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Definitive protectionFG2A | FG2A |
Numbers
- Publication
- 2125347
- Publication, DOCDB
- 2125347
- Publication, EPODOC
- ES2125347T
- Application
- 93918170
- Application, DOCDB
- 93918170
- Application, EPODOC
- ES19930918170T
Titles2
- Spanish
- COMPOSICIONES ELECTRICAMENTE CONDUCTORAS DE PARTICULAS DE NEGRO DE CARBONO Y METODOS PARA SU PREPARACION.
- English
- ELECTRICALLY CONDUCTIVE COMPOSITIONS OF CARBON BLACK PARTICLES AND METHODS FOR THEIR PREPARATION.
Classification
- CPC, 4
- H01B1/128
- C08K9/08
- C09D179/02
- H01B1/24
- IPC, 13
- C08K3 04
- C08K3 02
- C08K9 08
- C08L49 00
- C08L65 00
- C08L79 00
- C08L81 02
- C08L101 00
- C08L101 12
- C09D179 02
- H01B1 00
- H01B1 12
- H01B1 24