Patents by Inventor Philip Bliss Sweetser

Philip Bliss Sweetser 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).

  • Pyrazole plant growth regulants
    Patent number: 3948937
    Abstract: Substituted pyrazole compounds have been found to be effective plant growth regulants. Exemplary of the effective compounds are 3-(2-carboxyphenyl)-5-phenylpyrazole, its 2-ethanolamine salt, and 3-(2-carboxy-1-cyclohexen-1-yl)-5-phenylpyrazole.
    Type: Grant
    Filed: September 17, 1973
    Date of Patent: April 6, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Alexander Lawrence Johnson, Philip Bliss Sweetser