Patents by Inventor Philip C. Hamm

Philip C. Hamm 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).

  • Herbicidal meta-bifunctional benzenes
    Patent number: 4242122
    Abstract: Novel compounds and their herbicidal use having the formula ##STR1## wherein A is selected from the group ##STR2##
    Type: Grant
    Filed: November 24, 1976
    Date of Patent: December 30, 1980
    Assignee: Monsanto Company
    Inventors: Philip C. Hamm, John F. Olin
  • N-(2-hydroxyalkyl) derivatives of N-phosphonomethylglycine and herbicidal compositions containing same
    Patent number: 4119430
    Abstract: Certain N-(2-hydroxyalkyl) derivatives of N-phosphonomethylglycine have been found to be useful as herbicides for the treatment of undesired plants.
    Type: Grant
    Filed: May 18, 1977
    Date of Patent: October 10, 1978
    Assignee: Monsanto Company
    Inventors: Van R. Gaertner, Philip C. Hamm
  • N-(2-hydroxyalkyl) derivatives of N-phosphonomethylglycine for treatment of sugarcane
    Patent number: 4063922
    Abstract: Certain N-(2-hydroxyalkyl) derivatives of N-phosphonomethylglycine have been found to be useful in the treatment of sugarcane plants to increase their sucrose content.
    Type: Grant
    Filed: August 13, 1976
    Date of Patent: December 20, 1977
    Assignee: Monsanto Company
    Inventors: Van R. Gaertner, Philip C. Hamm
  • N-(2-hydroxyalkyl) derivatives of N-phosphonomethylglycine and the herbicidal use thereof
    Patent number: 4047927
    Abstract: Certain N-(2-hydroxyalkyl) derivatives of N-phosphonomethylglycine have been found to be useful as herbicides for the treatment of undesired plants.
    Type: Grant
    Filed: August 13, 1976
    Date of Patent: September 13, 1977
    Assignee: Monsanto Company
    Inventors: Van R. Gaertner, Philip C. Hamm
  • Herbicidal ureido containing carbanilates
    Patent number: 4013450
    Abstract: Novel compounds and their herbicidal use having the formula ##STR1## wherein A is selected from the group ##STR2##
    Type: Grant
    Filed: February 11, 1975
    Date of Patent: March 22, 1977
    Assignee: Monsanto Company
    Inventors: John F. Olin, Philip C. Hamm
  • Meta-bifunctional benzenes and herbicidal compositions
    Patent number: 3979202
    Abstract: Meta-bifunctional of the general formula ##EQU1## wherein A is selected from the groups ##EQU2## These compounds possess herbicidal activity.
    Type: Grant
    Filed: February 6, 1975
    Date of Patent: September 7, 1976
    Assignee: Monsanto Company
    Inventors: John F. Olin, Philip C. Hamm