Forming ester-substituted polymers for organic photovoltaics
US12319767B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Sep 6, 2022 |
| Grant date | Jun 3, 2025 |
| Priority date | — |
| Expiry date | Mar 2, 2044 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/549
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method comprised of combining Me3Sn—X—SnMe3 to form a solution containing a polymer In this polymer R, R′, and R″ are independently selected from the group consisting of: H, Cl, F, CN, alkyl, alkoxy, alkylthio, ester, ketone and aryl groups; and X is selected from aryl groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.