In re Shokal

This is an appeal from the decision of the Board of Appeals of the United States Patent Office affirming the rejection by the Primary Examiner of claims 1 and 3 of appellants’ application No. 163,778 for patent on a copolymer of allyl glycidyl ether with other compounds. The appealed claims read as follows:

1. A copolymer of a single alkenyl glycidyl monoetber and only at least one other neutral polymerizable compound containing a vinylidene group and free of other elements than carbon, hydrogen and oxygen, said copolymer containing three-membered epoxy rings in amount of from 0.01 epoxide…