Patent ID: 11898011
Assignee: DUPONT ELECTRONICS, INC.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A dianhydride having Formula I, wherein:
Y is selected from the group consisting of alkyl, silyl, ester, siloxane, oligosiloxane, polysiloxane, SO2, BR3, NR3, P(O)R3, unsubstituted or substituted carbocyclic aryl, and unsubstituted or substituted heteroaryl and deuterated analogs thereof;
R1-R2 are the same or different at each occurrence and are selected from the group consisting of F, CN, deuterium, alkyl, fluoroalkyl, unsubstituted or substituted carbocyclic aryl, unsubstituted or substituted heteroaryl, alkoxy, fluoroalkoxy, unsubstituted or substituted aryloxy, silyl, and siloxy and deuterated analogs thereof;
R3 is selected from the group consisting of alkyl and unsubstituted or substituted carbocyclic aryl and deuterated analogs thereof; and
a and b are the same or different and are an integer from 0-5.