Unsymmetrical benzo[1,2-b:4,5-b′]dithiophene and benzothiadiazole-based molecular complexes
US10804468B2 · kind B2 · utility
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Key dates
| Filing date | Jul 7, 2017 |
| Grant date | Oct 13, 2020 |
| Priority date | — |
| Expiry date | Jul 7, 2037 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A molecular complex comprising wherein X1 and X2 are independently selected from the group consisting of: H, Cl, F, CN, alkyl, alkoxy, ester, ketone, amide and aryl groups; R1, R2, R1′ and R2′ are side chains independently selected from the group consisting of: H, Cl, F, CN, alkyl, alkoxy, alkylthio, ester, ketone and aryl groups; R3 are selected from the group consisting of alkyl group, alkoxy group, aryl groups and combinations thereof; and wherein the thiophene groups are unsymmetrical.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.