Mono-, oligo- and polymers of benzo[b]thiophene and 2,2′-bisbenzo[b]thiophene and their use as charge transport materials
US6695978B2 · kind B2 · utility
16Cited by
3References
30Claims
0Family size
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Key dates
| Filing date | Sep 27, 2002 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | Sep 27, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2323/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Conjugated mono-, oligo- and polymers of benzo[b]thiophene and bisbenzo[b]thiophene are useful as semiconductors or charge transport materials in optical, electrooptical or electronic devices including field effect transistors, electroluminescent, photovoltaic and sensor devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.