Patents by Inventor Paul K. Smith

Paul K. Smith 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: 3940420
    Abstract: The present disclosure describes preparation of the novel compound, dithiobis-(succinimidyl propionate) represented by the following structure: ##EQU1## MW 404.
    Type: Grant
    Filed: July 15, 1974
    Date of Patent: February 24, 1976
    Assignee: Pierce Chemical Company
    Inventor: Paul K. Smith