Application of David Neville Kirk and Vladimir Petrow

WORLEY, Chief Judge.

This appeal is from the decision of the Board of Appeals affirming the rejection of claims 11, 25, 26, 28, 29, 39, 41 and 45 in appellants’ application1 entitled “1-Dehydro-6-Methyl Steroid Compounds.”

Each claim defines a specific steroid compound, claim 11 relating to a compound of the spirostane series; claims 25, 26, 28, 29 and 45 to compounds of the androstane series; and claims 39 and 41 to compounds of the pregnane series. It is unnecessary to reproduce any claim since the nature of the compounds will become apparent.

The Patent Office rejected all claims for failure…