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APPLICATION OF CHI K. DIEN

Patent Appeal No. 7686.

371 F.2d 886 (1967)

Application of CHI K. DIEN.

United States Court of Customs and Patent Appeals.

February 9, 1967.

Attorney(s) appearing for the Case

I. Harry Rosenberg, New York City, for appellant.

Joseph Schimmel, Washington, D. C. (Raymond E. Martin, Washington, D. C., of counsel), for the Commissioner of Patents.

Before WORLEY, Chief Judge, RICH, SMITH and ALMOND, Judges, and Judge WILLIAM H. KIRKPATRICK.

RICH, Judge.

This appeal is from a decision of the Patent Office Board of Appeals,1 adhered to on reconsideration, affirming the rejection of claims 1-19 of application serial No. 64,307, filed October 24, 1960, entitled "Preparation of Quinacridones." No claim has been allowed.

The invention is an improvement in the process of preparing quinacridones. These compounds are prepared from 2,5-diarylamino-terephthalic acids in a condensation...

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