In re DaFano

This is an appeal from the decision of the Patent Office Board of Appeals affirming the final rejection of claims 26-31 and 33 of appellant’s application entitled “Resin Composition.”1

The invention relates to the incorporation of resin-soluble organic copper salts in certain catalyzed polyester resin compositions, which is said to increase the rate of gelation of composition and to reduce the peak exotherm. These effects are of particular significance in producing thick cast sheets of transparent polyester free from optical distortion.

The invention is adequately described in claim 26…