Patents by Inventor Jean M. Wyvratt

Jean M. Wyvratt 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).

  • Novel process for preparing .alpha.-(trichloromethyl)benzyl alcohols from benzaldehydes
    Patent number: 4603227
    Abstract: This invention relates to a novel and improved process for preparing .alpha.-(trichloromethyl) benzyl alcohols, particularly, trichloromethyl-3-nitrobenzyl alcohol a key intermediate useful in the preparation of clorsulon (4-amino-6-(trichloroethenyl)-1,3-benzene-disulfonamide) via a base-catalyzed condensation reaction of benzaldehydes and chloroform.
    Type: Grant
    Filed: September 25, 1985
    Date of Patent: July 29, 1986
    Assignee: Merck & Co., Inc.
    Inventors: George G. Hazen, Jean M. Wyvratt
  • Hydrogenation of 3-trichlorovinylnitrobenzene
    Patent number: 4500736
    Abstract: There is disclosed a process for the conversion of 3-trichlorovinylnitrobenzene to 3-trichlorovinylaniline by catalytic reduction in an alcoholic acidic medium, using a supported palladium catalyst in a hydrogen atmosphere. The process is carried out without any appreciable hydrogenolysis of the trichlorovinyl group.
    Type: Grant
    Filed: June 28, 1983
    Date of Patent: February 19, 1985
    Assignee: Merck & Co., Inc.
    Inventor: Jean M. Wyvratt