Unsymmetrical benzothiadiazole-based random copolymers
US11638389B2 · kind B2 · utility
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Key dates
| Filing date | Apr 23, 2021 |
| Grant date | Apr 25, 2023 |
| Priority date | — |
| Expiry date | Apr 23, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A random copolymer comprising the monomer units A, B and C. In this random copolymer A comprises B comprises and C comprises an aryl group. Additionally, R1 R2, R3 and R4 are side chains independently selected from the group consisting of: H, Cl, F, CN, alkyl, alkoxy, alkylthio, ester, ketone and aryl groups. X1 and X2 are independently selected from the group consisting of: H, Cl, F, CN, alkyl, alkoxy, ester, ketone, amide and aryl groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.