Mono-, oligo- and polymers comprising a 2,6-azulene group and their use as charge transport materials
US7034174B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Dec 10, 2002 |
| Grant date | Apr 25, 2006 |
| Priority date | — |
| Expiry date | Jun 23, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Conjugated mono-, oligo- and polyazulenes are suitable for use as semiconductors or charge transport materials in optical, electrooptical or electronic devices including field effect transistors, electroluminescent, photovoltaic and sensor devices, and as field effect transistors and semi-conducting components.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.