Patent ID: 6833460
Filing Date: 2004-12-21
Classification: C07D,C08F

Abstract:
A lactone composition having the structural formula I, wherein each n is independently 1 to 3;L is either present as a substituent having two functional groups, or is a direct bond forming a spiro-bislactone, or is H wherein rings of the structure I are not connected, or is a radically polymerizable group wherein the rings of the structure I are not connected; wherein Y is either present independently as alkyl, alkenyl, alkynyl, or aryl or is a direct bond; each X is independently a substituent having a field effect, F, between âˆ’0.42 and +1.58wherein said lactone is employed as a cross-linking agent in a coating composition containing amine compound(s) that are reactive with lactone groups.