Legal Opinion

In re Mattison

Court of Customs and Patent Appeals

Decided January 23, 1975No. Patent Appeal No. 74-568PublishedCited by 7 opinions

1Opinion of the Court

BALDWIN, Judge.

This appeal is from the decision of the Patent Office Board of Appeals, adhered to on reconsideration, sustaining the examiner’s rejection of claims 1 and 3 to 5 of appellants’ application.1 Claims 7-10 have been allowed. We reverse.

The Invention

Appellants’ invention relates to a new class of substituted 2-hydroxybenzophe-noxime compounds which are effective extractants for copper values from aqueous solutions at low pH.

It was previously discovered that copper values could be recovered economically from certain aqueous leach liquors by using a liquid ion exchange process…

2Cases cited3 opinions

  1. Application of Robert E. Moore and Edward J. JanoskiCourt of Customs and Patent Appeals · 1971
  2. Application of Janis RobinsCourt of Customs and Patent Appeals · 1970
  3. Application of Charles C. CohnCourt of Customs and Patent Appeals · 1971

3Cited by7 opinions

  1. Enzo Biochem, Inc. v. Applera Corp.Court of Appeals for the Federal Circuit · 2010
  2. Slimfold Manufacturing Company, Inc. v. Kinkead Industries, Inc. And United States Gypsum Company, DefendantsCourt of Appeals for the Federal Circuit · 1987
  3. In Re Laszlo Marosi, Joachim Stabenow, and Matthias SchwarzmannCourt of Appeals for the Federal Circuit · 1983
  4. Cabrera v. FischlerDistrict Court, E.D. New York · 1993
  5. In re JohnsonCourt of Customs and Patent Appeals · 1977

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