Process for the preparation of polythiophenes and electrically conducting devices containing them
US5221786A · kind A · utility
5Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1991 |
| Grant date | Jun 22, 1993 |
| Priority date | — |
| Expiry date | Jun 14, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G61/126
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a process for the preparation of electrically conducting polymers based on polythiophenes by chemical polymerization of thiophene by means of a ferric salt, an alkyl halide and water. The invention also relates to the electrically conducting devices containing the polythiophenes obtained and a thermoplastic polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.