Patent ID: 6339113
Filing Date: 2002-01-15
Classification: A61K,C08F,Y10S

Abstract:
A photopolymerizable composite resin composition for dental restoration comprising:(A) 2 to 40 wt % of a prepolymer mixture comprising: (i) 5 to 95 wt % 2,2-bis-(4-(2-hydroxy-3-methacryloyloxypropoxy)phenyl)propane (â€œBis-GMAâ€ ) of formula 1: (ii) 95 to 5 wt % Tri-GMA of formula 2: (B) 1 to 20 wt % of a diluent; (C) 40 to 95 wt % of an inorganic filler; (D) a photoinitiation system; and (E) other additives, wherein wt % of all the components are based on the total weight of the composition.