Patent · US Active

Forming ester-substituted polymers for organic photovoltaics

US12319767B2 · kind B2 · utility

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15Claims
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Inventors

Key dates

Filing dateSep 6, 2022
Grant dateJun 3, 2025
Priority date
Expiry dateMar 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.