US 12,319,767 B2
Forming ester-substituted polymers for organic photovoltaics
Laura Nielsen, Bartlesville, OK (US); Reed Eisenhart, Bartlesville, OK (US); Victoria Suding, Bartlesville, OK (US); Alyssa Brooke Chinen-Mendez, Wexford, PA (US); Brian J. Worfolk, Raleigh, NC (US); Zach L. Cramer, Bartlesville, OK (US); and Hualong Pan, Bartlesville, OK (US)
Filed by PHILLIPS 66 COMPANY, Houston, TX (US)
Filed on Sep. 6, 2022, as Appl. No. 17/903,720.
Claims priority of provisional application 63/242,688, filed on Sep. 10, 2021.
Prior Publication US 2023/0086615 A1, Mar. 23, 2023
Int. Cl. H01B 1/00 (2006.01); C08F 28/06 (2006.01); H01B 1/12 (2006.01); H10K 85/10 (2023.01)
CPC C08F 28/06 (2013.01) [H01B 1/124 (2013.01); H10K 85/113 (2023.02)] 15 Claims
OG exemplary drawing
 
1. A method comprising:
combining

OG Complex Work Unit Chemistry
and Me3Sn—X—SnMe3 to form a solution containing a polymer

OG Complex Work Unit Chemistry
wherein 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
wherein X is selected from aryl groups.