Patent ID: 6599677
Filing Date: 2003-07-29
Classification: C08F,G03F,Y10S

Abstract:
A polymer comprising as polymerized units one or more spirocyclic olefin monomers of the formula wherein A=O, S, and NR1; R1=phenyl, substituted phenyl, benzyl, substituted benzyl, (C1-C8)alkyl and substituted (C1-C8)alkyl; G=C(Zâ€²), O, S, and NR2; R2=H, (C1-C8)alkyl and substituted (C1-C8)alkyl; E and W are independently selected from C(Zâ€²), O, NR2 and a chemical bond; Zâ€²=O or S; m=0 to 2; mâ€²=0 to 2; 1=0 to 5; and p=0 to 5; n=1; provided that l+p=3 to 5 wherein T and L are taken together and selected from the group consisting of a double bond and a 5 to 8-membered unsaturated ring.