Patents by Inventor Thomas J. Kasper

Thomas J. Kasper 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).

  • Benzyl 5-methyl-4-imidazolecarboxylate
    Patent number: 4374252
    Abstract: A process for the preparation of 5-methyl-4-imidazolecarboxylic acid esters from acetoacetic acid esters. The products of this process are useful as intermediates for preparing cimetidine.
    Type: Grant
    Filed: December 10, 1981
    Date of Patent: February 15, 1983
    Assignee: SK&F Lab Co.
    Inventors: Harold Graboyes, Thomas J. Kasper, Praful D. Vaidya
  • Process for preparing 5-methyl-4-imidazolecarboxylic acid esters
    Patent number: 4328349
    Abstract: A process for the preparation of 5-methyl-4-imidazolecarboxylic acid esters from acetoacetic acid esters. The products of this process are useful as intermediates for preparing cimetidine.
    Type: Grant
    Filed: October 8, 1980
    Date of Patent: May 4, 1982
    Assignee: SK&F Lab Co.
    Inventors: Harold Graboyes, Thomas J. Kasper, Praful D. Vaidya