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Legal Opinion

Application of Jesse T. Dunn and Alex E. Brodhag, Jr

Court of Customs and Patent Appeals

Decided July 22, 1965No. Patent Appeal 7265PublishedCited by 9 opinions

1Opinion of the Court

MARTIN, Judge.

Appellant Dunn with one Proops obtained a series of five patents1 for improvements in a classic synthesis of acrylic acid esters obtained by reaction of acetylene, carbon monoxide and an alcohol in the presence of novel catalysts. The catalysts of each patent are complexes obtained by admixture of a nickel halide and a phosphorus-containing compound. The patents differ only with respect to the phosphorus-containing compounds, and each patent claims the respective invention in Jepson-form2 process claims in which the recited improvement is the particular catalyst.3

All five…

2Cases cited5 opinions

  1. Application of Max O. RobesonCourt of Customs and Patent Appeals · 1964
  2. Application of Charles Curtis SimmonsCourt of Customs and Patent Appeals · 1963
  3. In re WardCourt of Customs and Patent Appeals · 1956
  4. In re LieserCourt of Customs and Patent Appeals · 1947
  5. Application of Oliver C. EckelCourt of Customs and Patent Appeals · 1963

3Cited by9 opinions

  1. Gemveto Jewelry Co., Inc. v. Jeff Cooper Inc.District Court, S.D. New York · 1983
  2. Wells Mfg. Corp., a Wisconsin Corporation v. Littelfuse, Inc., a Texas CorporationCourt of Appeals for the Seventh Circuit · 1976
  3. Application of Edgar G. HeylCourt of Customs and Patent Appeals · 1967
  4. Application of Johannes Heyna, August Bauer and Klaus BernerCourt of Customs and Patent Appeals · 1966
  5. In re DetersCourt of Customs and Patent Appeals · 1975

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