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Legal Opinion

In re Salem

Court of Customs and Patent Appeals

Decided April 21, 1977No. Patent Appeal No. 76-623PublishedCited by 7 opinions

1Opinion of the Court

BALDWIN, Judge.

This appeal is from the decision of the Patent and Trademark Office (PTO) Board of Appeals (board) affirming the rejection of claims 1 to 11, all of the claims of application serial No. 310,383, filed November. 29, 1972 for “Regeneration of Anion Exchange Resins.” This application is for the reissue of patent No. 3,645,921, which was granted February 29,1972 on an application filed April 20, 1970. We reverse.

The Invention

Appellants describe the invention as “an improved method for converting strong-base anion exchange resin having quaternary ammonium active groups from the…

2Cases cited9 opinions

  1. In re WertheimCourt of Customs and Patent Appeals · 1976
  2. In re ClarkCourt of Customs and Patent Appeals · 1975
  3. Application of William L. Hartop, Jr., and Edward P. BrandesCourt of Customs and Patent Appeals · 1962
  4. In re ArmbrusterCourt of Customs and Patent Appeals · 1975
  5. Arthur Liebscher v. Wilson P. BoothroydCourt of Customs and Patent Appeals · 1958

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3Cited by7 opinions

  1. Duplan Corp. v. Deering Milliken, Inc.District Court, D. South Carolina · 1977
  2. N. v. Maatschappij Voor Industriele Waarden v. A. O. Smith Corporation and Armor Elevator Company, Inc.Court of Appeals for the Second Circuit · 1978
  3. In Re James R. Amos, Chester K. Greathouse and David S. RiddleCourt of Appeals for the Federal Circuit · 1991
  4. In re EdwardsCourt of Customs and Patent Appeals · 1978
  5. In re VossCourt of Customs and Patent Appeals · 1977

2 more not listed; retrieve them via the Exa API.

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