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APPLICATION OF BUDNICK

Patent Appeal No. 76-517.

537 F.2d 535 (1976)

Application of Edward G. BUDNICK.

United States Court of Customs and Patent Appeals.

July 15, 1976.

Attorney(s) appearing for the Case

Alvin Guttag, William T. Bullinger, Watson T. Scott, Washington, D. C., attys. of record, for appellant.

Joseph F. Nakamura, Washington, D. C., for the Commissioner of Patents; Gerald H. Bjorge, Washington, D. C., of counsel.

Before MARKEY, Chief Judge, and RICH, BALDWIN, LANE and MILLER, Judges.

MILLER, Judge.

This appeal is from the decision of the Patent and Trademark Office Board of Appeals affirming the rejection of claims 25 through 28 of application serial No. 813,385, filed February 28, 1969, for "Chelation."1 We affirm.

The Invention

Claimed are hydroxymethane diphosphonic acid and alkali metal and ammonium salts, thereof, having the following formula:

wherein R

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