Patent ID: 8026321

Claim:
A curable adhesive composition for anchoring materials in or to concrete or masonry comprising: a curable epoxy resin; from about 5 parts by weight based on active components participating in the curing of the composition to about 30 parts by weight based on active components participating in the curing of the composition of reactive multifunctional acrylates comprising at least two different multifunctional acrylates, wherein one of the at least two different multifunctional acrylates consists of three acrylate functionalities and the other of the at least two different multifunctional acrylates consists of five acrylate functionalities, the weight ratio of said curable epoxy resin to said multifunctional acrylates being from 1.2:1 to about 5:1 and the weight ratio of the multifunctional acrylate consisting of three acrylate functionalities to the multifunctional acrylate consisting of five acrylate functionalities being in the range from 0.05:1 to 1:1; and curing agent.