IN RE HOSTETTLER

Patent Appeal No. 8283.

429 F.2d 464 (1970)

Application of Fritz HOSTETTLER and William R. Proops.

United States Court of Customs and Patent Appeals.

August 20, 1970.


Attorney(s) appearing for the Case

Charles J. Metz, New York City, Paul A. Rose, Washington, D. C., Louis C. Smith, Jr., New York City, attorneys of record, for appellants.

Joseph Schimmel, Washington, D. C., for the Commissioner of Patents; Jack E. Armore, Washington, D. C., of counsel.

Before RICH, ALMOND, BALDWIN, and LANE, Judges, and ROSENSTEIN, Judge, United States Customs Court, sitting by designation.


LANE, Judge.

This appeal is from the decision of the Patent Office Board of Appeals affirming the rejection of claims 1-3, 9 and 10 of application serial No. 509,427, filed November 23, 1965,1 for "Stabilized Polyurethane Composition." We affirm.

The invention relates to a method of stabilizing certain foamed polyurethane compositions against oxidative degradation occurring at elevated temperatures, as reflected in representative...

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