(Partially) conjugated polymer process for its preparation...

Details (Partially) conjugated polymer process for its preparation... (Partially) conjugated polymer process for its preparation...

2006-10-24

2006-10-24

Zimmer, Marc S. (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From boron-containing reactant

C528S397000, C528S403000, C528S405000, C528S412000, C528S417000, C528S377000

Reexamination Certificate

active

07125952

ABSTRACT:
A polymer for use in an optical device comprising one or more regions, where each region comprises (i) a first structural unit having general formula I:where m=1 or 2 and which contains at least one substituent selected from the group consisting of alkyl, alkoxy, aryl, aryloxy, heteroaryl, and heteroaryloxy groups, each of which may be further substituted; and (ii) a second structural unit Ar selected from the group consisting of heteroaryl, triarylamine and 2,7-fluorenyl; such that where m=1 each region comprises a unit having general formula II:in-line-formulae description="In-line Formulae" end="lead"?first structural unit—Ar  (II)in-line-formulae description="In-line Formulae" end="tail"?wherein, the substituent has a molecular weight of less than 300.

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