Patent ID: 11964966
Assignee: DUPONT ELECTRONICS, INC.
Field: Organic fine chemistry (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A polyanhydride having Formula I, , wherein:
R1 and R2 are the same or different at each occurrence and are selected from the group consisting of F, CN, alkyl, fluoroalkyl, alkoxy, fluoroalkoxy, silyl, siloxy, unsubstituted or substituted hydrocarbon aryl, unsubstituted or substituted heteroaryl, and unsubstituted or substituted aryloxy;
R3 is selected from the group consisting of A3, H, F, CN, alkyl, fluoroalkyl, alkoxy, fluoroalkoxy, silyl, siloxy, unsubstituted or substituted hydrocarbon aryl, unsubstituted or substituted heteroaryl, and unsubstituted or substituted aryloxy;
R4 is selected from the group consisting of A4, H, F, CN, alkyl, fluoroalkyl, alkoxy, fluoroalkoxy, silyl, siloxy, unsubstituted or substituted hydrocarbon aryl, unsubstituted or substituted heteroaryl, and unsubstituted or substituted aryloxy;
R5 and R6 are the same or different and are selected from the group consisting of H, F, CN, alkyl, fluoroalkyl, alkoxy, fluoroalkoxy, silyl, siloxy, unsubstituted or substituted hydrocarbon aryl, unsubstituted or substituted heteroaryl, and unsubstituted or substituted aryloxy;
R8 is selected from the group consisting of alkyl, silyl, unsubstituted or substituted hydrocarbon aryl, and unsubstituted or substituted heteroaryl;
c and d are the same or different and are an integer from 0 to the maximum available;
m and n are the same or different and are 0 or 1;
A1 to A4 are the same or different and have the formula, L is the same or different at each occurrence and is a bond or a hydrocarbon aryl; and
single dashed lines between two rings indicate that the rings are joined by a single bond or fused together at any available position;
with the proviso that at least two of A1 to A4 are present.