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APPLICATION OF MONTMOLLIN

Patent Appeal No. 7323.

344 F.2d 976 (1965)

Application of Rene DE MONTMOLLIN and Henri Riat.

United States Court of Customs and Patent Appeals.

May 13, 1965.

Attorney(s) appearing for the Case

A. Ponack, Washington, D. C., for appellants.

Clarence W. Moore, Washington, D. C. (Fred W. Sherling, Washington, D. C., of counsel), for Com. of Patents.

Before WORLEY, Chief Judge, and RICH, MARTIN, SMITH and ALMOND, Judges.

WORLEY, Chief Judge.

This appeal is from the decision of the Board of Appeals affirming the rejection of claims 2, 6-8, and 20 of appellants' patent application1 for "Water Soluble Organic Dyestuffs."

The subject matter is reflected in the following claim:

"2. An organic dyestuff containing at least one and at most two azo groups, a sulfonic acid group and a nuclearly bound substituent of the formula

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