Patent ID: 9570688
Date: 2017-02-14
CPC Classifications: C07D,C08G,H01L

Claim:
1. An oligomer or polymer of formula wherein A E is selected from the group consisting of wherein R wherein X wherein Z a at each occurrence is independently an integer from 1 to 10 and R wherein Z R X wherein Z R wherein Z Ar Ar R wherein X wherein Z R wherein Z Ar Ar R R wherein X wherein Z b at each occurrence is independently an integer from 1 to 10 and R wherein Z R X wherein Z Z R wherein Z Ar Ar R wherein X wherein Z R wherein Z Ar Ar R R R wherein R G wherein C wherein C wherein Z m at each occurrence is independently 0, 1 or 2, L is C wherein C wherein C wherein Z o at each occurrence is independently 0, 1 or 2, or L is wherein R wherein X wherein Z c at each occurrence is independently an integer from 1 to 10 and R wherein Z R X wherein Z R wherein Z Ar Ar R wherein X wherein Z R wherein Z Ar Ar R q and s are the same or different and are 0, 1, 2, 3, 4 or 5, r is 0, 1 or 2, and n is an integer from 2 to 10,000.