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APPLICATION OF LAWRENCE

Patent Appeal No. 7557.

355 F.2d 645 (1966)

Application of Franklin I. L. LAWRENCE and Michael J. Pohorilla.

United States Court of Customs and Patent Appeals.

February 10, 1966.

Attorney(s) appearing for the Case

William Andrew Smith, Jr., Washington, D. C., Eugene F. Buell, Pittsburgh, Pa., for appellants.

Clarence W. Moore, Washington, D. C. (Irving R. Pellman, Washington, D. C., of counsel), for the Commissioner of Patents.

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

ALMOND, Judge.

This is an appeal from a decision of the Board of Appeals affirming the rejection of claims 1, 2 and 4-10 of appellants' application1 entitled "Flame Retardants." The statutory basis for the rejection is 35 U.S.C. § 103.

The essence of appellants' invention is the formation of a condensation product of a heavy petroleum residue with about 2% to about 15% by weight of a phosphorous sulfide. This condensation...

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