Patent ID: 7019092
Filing Date: 2006-03-28
Classification: G03F

Abstract:
1. A fluorine-containing copolymer comprising: a. a first repeat unit derived from an ethylenically unsaturated compound containing a functional group having the structure: wherein R n is an integer from 2 to 10; X is selected from the group consisting of S, O, N, and P; q=0 and r=0, or q=1 and r=0 or 1; and R b. a second repeat unit derived from CH wherein R″ is a fluoroalkyl group of 1 to 4 carbon atoms or a hydroxyalkyl group of 1 to 4 carbon atoms; and R is H, F, an alkyl group of 1 to 5 carbon atoms, or a fluoroalkyl group of 1 to 5 carbon atoms.