Application of Ralph E. Miegel and John J. Verbanc

ALMOND, Judge.

This is an appeal from the decision of the Board of Appeals affirming the rejection of claim 3, the only claim in appellants’ application.1

Appellants’ invention is a curable composition of butadiene-styrene copolymer and bis (2,6-dimethylmorpholinothio-carbonyl) monosulfide. The monosulfide acts as a vulcanization accelerator for the butadiene-styrene copolymer elastomer and is said to afford fast and effective cures of the butadiene-styrene rubber while exhibiting an exceptional degree of processing safety.

The claim on appeal reads as follows:

3. A composition exhibiting fast…