Patent ID: 7544739

Claim:
A curable adhesive composition for anchoring materials in or to concrete or masonry comprising: a. from about 10 wt % to about 25 wt % of a polymerizable vinyl ester compound comprising the reaction product of an epoxy compound and a compound containing an ethylenically unsaturated group, said epoxy compound corresponding to formula (I), wherein Ar is substituted or unsubstituted aryl, R is substituted or unsubstituted divalent radical derived from alkyl, oxyalkyl, arylalkyl, or oxyalkylary, R 1 is independently H or R, x, y and z are each independently 0 to 5 provided that x and y can not both be zero, and n is from 1 to 5; b. an ethylenically unsaturated monomer reactive with said polymerizable vinyl ester; c. from about 5 wt % to about 10 wt % of reactive multifunctional acrylate; d. curing catalyst; and e. activator; said adhesive composition having a pull out performance after one hour at a temperature of 23° C. of at least about 70 KN.