Patents by Inventor Peter G. Heytler

Peter G. Heytler 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).

  • Method and composition for suppressing the nitrification of ammonium nitrogen in soil
    Patent number: 4482371
    Abstract: Certain polychloromethyl-substituted benzene and naphthalene compounds are useful for suppressing the nitrification of ammonium nitrogen in soil.
    Type: Grant
    Filed: April 14, 1983
    Date of Patent: November 13, 1984
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Peter G. Heytler, Frank D. Marsh