Repeat units for photovoltaic applications
US12344704B2 · kind B2 · utility
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Key dates
| Filing date | Apr 22, 2022 |
| Grant date | Jul 1, 2025 |
| Priority date | — |
| Expiry date | Sep 19, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A repeat unit comprisingIn the repeat unit, X1 and X2 are independently selected from the group consisting of: F, Cl, H, and combinations thereof. Additionally, in this monomer, R′ and R″ are independently selected from an alkyl group, an aryl group, or combinations thereof. Also, R3, and R4 are independently selected from unsubstituted or substituted branched alkyls with 1 to 60 carbon atoms and unsubstituted or substituted linear alkyls with 1 to 60 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.