Application of Johannes Heyna, August Bauer and Klaus Berner

ALMOND, Judge.

This is an appeal from the decision of the Board of Appeals affirming the rejection of claims 1-6 of appellants' application 1 entitled "Yellow Water-Soluble Monoazo Dyestuffs." No claims have been allowed.

The issue is whether appellants' claimed chemical compositions are obvious under *22335 U.S.C. § 103 in view of the following references:

Alsberg et al. 2,895,785 July 21, 1959 (Alsberg)

Muller et al. 2,424,493 July 22, 1947 (Muller)

In addition to the foregoing references, appellants cited the following references before the board in support of their arguments for patentability of the…