Application of Jean Druey and Paul Schmidt

WORLEY, Chief Judge.

Appellants seek reversal of the decision of the Board of Appeals which affirmed the examiner’s rejection of one claim in appellants’ application1 entitled “New Amino-Benzene Sulfonamide,” as. unpatentable over the prior art. Six claims directed to the method of producing the compound, defined by the rejected claim, were allowed.

The remaining claim reads:

“11. A member selected from the group consisting of 3-amino-2-phenyl-pyrazole and acid addition salts thereof.”

The invention, which is used as an intermediate in the preparation of a sulfa drug, has the following structural…