Patents by Inventor Neil J. Lasater

Neil J. Lasater 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).

  • Process for selectively producing high-yield, high-purity 4,4-substituted diaryl sulfones
    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