Patent ID: 6949621
Filing Date: 2005-09-27
Classification: C07F,C08G,C09K,H01L

Abstract:
1. A polymer that contains in the backbone a 9-oxo-9-phosphafluorene-2,7-diyl skeleton or a combination of the skeleton and a vinylene or arylene skeleton of the following general formula [I]: wherein —Q— represents a single bond, —Ar— (Ar is an arylene group), or a vinylene group of the following general formula [II]: in which R′ represents a hydrogen atom, an optionally-substituted alkyl, cycloalkyl, aryl or aralkyl group, a cyano group, or an alkoxycarbonyl group, and it may bond to any carbon of the olefin chain in the formula; R represents a hydrogen atom, or an optionally-substituted alkyl, cycloalkyl, aralkyl, aryl, alkoxy, cycloalkyloxy, aralkyloxy or aryloxy group; and n indicates an integer of from 3 to 30000.