Patents by Inventor Merle E. Cisney

Merle E. Cisney has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4089904
    Abstract: 4,4'-substituted diaryl sulfones of high yield and high purity are selectively formed by the oxidation of 4,4'-substituted diaryl sulfides and diaryl sulfoxides, respectively, employing an aqueous slurry, including a molybdic acid-peroxide-catalyzed oxidation system, the aqueous slurry being maintained at a pH of less than about one.
    Type: Grant
    Filed: April 11, 1975
    Date of Patent: May 16, 1978
    Assignee: Crown Zellerbach Corporation
    Inventors: Merle E. Cisney, Neil J. Lasater
  • Patent number: 3931335
    Abstract: A process is provided for the formation of 4,4'-monothiodiphenolic compounds, in high yields, and in a selective manner, through the use of a novel reaction system. More specifically, a nonsterically hindered phenol and sulfur dichloride are reacted in the presence of initiation promoter and solvent portions, respectively, to produce the above 4,4'-monothiodiphenolic product.
    Type: Grant
    Filed: August 26, 1974
    Date of Patent: January 6, 1976
    Assignee: Crown Zellerbach Corporation
    Inventors: Merle E. Cisney, Robert A. Damon