Patent ID: 6753392
Filing Date: 2004-06-22
Classification: C07C,C08F

Abstract:
A copolymer corresponding to the formula VIII in whichm has the value 1, 2 or 3, X independently is selected from the group consisting of a hydrogen atom and a fluorine atom, n, p and r independently represent natural integers, and Wâ€² is selected from the group consisting of a CH(OH)CH2OH group, a CH&boxH;CH2 group, in whichR1, R2, R3, R4, R5, R6, R7 and R8 independently are selected from the group consisting of a hydrogen atom, a C1-C20 alkyl group and an optionally substituted aryl group and a Yâ€”Z group chosen from (1) a Yâ€”Z group in which Y represents an oxygen atom and Z is selected from the group consisting of a CH2CH2OH group, a CH2COOH group and a COCH3 group, (2) a Yâ€”Z group in which Y represents a sulphur atom and Z is selected from the group consisting of a hydrogen atom, a CH2CH2OH group, a CH2COOH group and a COCH3 group.