Patent ID: 7632906
Filing Date: 2009-12-15
Classification: C08F,C09K

Abstract:
1. Composition comprising a) at least one ethylenically unsaturated monomer to which a photochemically isomerizable or dimerizable molecule, which corresponds to the formula A or B, where R′ is hydrogen or C A′ is an optionally substituted mono- or divalent aromatic radical or an optionally substituted mono- or divalent heteroaromatic radical, and A wherein R is H or methyl, R B is —C(O)—, Y is ketocoumarin, carbonylbiscoumarin or benzophenone, X R where R R X r is the number 1 and s is 0 or the number 1, and c) optionally other ethylenically unsaturated comonomers.