Application of Arthur S. Neave, Jr

SMITH, Judge.

The single claim on appeal, 1 defining a water-insoluble monoazo dyestuff, stands rejected on the basis of obviousness, 2 35 U.S.C. 103. The compound is defined in the claim as follows:

1. The water-insoluble monoazo dyestuff having the structural formula:

The prior art references relied on are:

Wagner et al. [I] 1,522,089 Jan. 6, 1925

Wagner et al. [II] 1,549,822 Aug. 18, 1925

Fischer [I] 2,915,518 Dec. 1, 1959

Farben (Germany) 602,064 Aug. 31, 1934

Fischer (Germany) [II] 889,739 Sept. 14, 1953

The board in its opinion found that “The Examiner’s Answer has no precise statement of the…