In re Chmiel

This is an appeal from the decision of the Board of Appeals of the Patent Office affirming the examiner’s rejection of claims 1 to 9 and 21 to 28, the only remaining claims in appellants’ application, serial No. 327,171, for “Self-Hardening Liquid Resinous Compositions.”

The alleged invention relates to a liquid resinous composition and the product resulting from curing that composition, either alone or in contact with, and adhered to, a metallic surface or porous substrate. The composition includes a polysulfide liquid polymer of the type shown in the Jorczak et al. publication infra, recited…