Patent ID: 6492089
Filing Date: 2002-12-10
Classification: C08F,G03F

Abstract:
A polymer bearing cyclic silicon-containing groups of the following formula (1) or (2): wherein R1 is straight, branched or cyclic alkyl group of 1 to 20 carbon atoms, R2, R3, R6, R7, R10, R11, R12, and R13 are independently hydrogen or straight, branched or cyclic alkyl groups of 1 to 20 carbon atoms, R4, R5, R8, and R9 are independently hydrogen, straight, branched or cyclic alkyl groups of 1 to 20 carbon atoms, fluorinated alkyl groups of 1 to 20 carbon atoms, or aryl groups of 6 to 20 carbon atoms, and p, q, r and s are integers of 0 to 10, and 1&lE;p+q+s&lE;20.