In re Doebel

Almond, Judge.

This is an appeal from the decision of the Patent Office Board of Appeals, adhered to on reconsideration, insofar 'as it affirmed the rejection of claim 2 in appellants’ application entitled “N-Substituted Phenothiazines.”1 At oral argument, counsel for appellants withdrew the appeal as to claims 1 and 3. No claims have been allowed.

The invention relates to phenothiazine derivatives, which are useful as tranquilizers, having the formula wherein X is H or Cl.

*1080

Claim 2 is limited to 10-[ (3-N-formyl-methy lamino) -propyl]-pheno-thiazine, i.e., the compound of the above formula when…