Patent ID: 6284863
Filing Date: 2001-09-04
Classification: C08F,C08L,G03F

Abstract:
A polymer having an O-substituted vinylphenol unit represented by the following formula (I) ##STR13##wherein R.sup.1, R.sup.2 and R.sup.3 independently represent an alkyl, having 1 to 4 carbon atoms, which may be optionally substituted; or R.sup.1 and R.sup.2, R.sup.1 and R.sup.3 or R.sup.2 and R.sup.3 are bound together and respectively form an alkylene, having 2 to 9 carbon atoms, which may be optionally substituted; or R.sup.2 is methylidyne wherein one bond in the methylidyne is bound to R.sup.1, the other bond is bound to R.sup.3, and R.sup.1 and R.sup.3 independently represent alkylene, having 2 to 9 carbon atoms, which may be optionally substituted.