Application of Frank Peter Doyle, John Herbert Charles Nayler and George Newbolt Rolinson

MARTIN, Judge.

This is an appeal from the decision of the Patent Office Board of Appeals affirming the examiner’s rejection of claims 2 and 4, the only remaining claims in appellants’ application serial No. 833,680, filed August 14, 1959 for SUBSTANCES PRODUCED FROM PENICILLIN-PRODUCING MOULDS.

2. 6-Aminopenicillanie 1 acid having the structural formula

which is capable of reacting with phenylacetyl chloride to produce benzylpenicillin, and which gives a negative Bratten-Marshall test and a negative ninhydrin test.

4. Solid, nonhygroscopic 6-ami-nopenieillanic acid having the structural formula

and…