Patents by Inventor Willie J. Rivers, Jr.

Willie J. Rivers, Jr. 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).

  • Process for producing N-phosphonomethylglycine
    Patent number: 5091561
    Abstract: A process for producing N-phosphonomethylglycine by the oxidation of N-phosphonomethyliminodiacetic acid using a molecualr oxygen-containing gas in the presence of a transition metal catalyst.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: February 25, 1992
    Assignee: Monsanto Company
    Inventors: Dennis P. Riley, Willie J. Rivers, Jr.
  • Process for producing n-phosphonomethylglycine
    Patent number: 4965402
    Abstract: A process for producing N-phosphonomethylglycine by the oxidation of N-phosphonomethyliminodiacetic acid using a molecular oxygen-containing gas in the presence of a transition metal catalyst.
    Type: Grant
    Filed: February 17, 1989
    Date of Patent: October 23, 1990
    Assignee: Monsanto Company
    Inventors: Dennis P. Riley, Willie J. Rivers, Jr.
  • Process for producing N-phosphonomethylglycine
    Patent number: 4853159
    Abstract: A process for producing N-phosphonomethylglycine by the oxidation of N-phosphonomethyliminodiacetic acid using a molecular oxygen-containing gas in the presence of a transition metal catalyst.
    Type: Grant
    Filed: October 26, 1987
    Date of Patent: August 1, 1989
    Assignee: Monsanto Company
    Inventors: Dennis P. Riley, Willie J. Rivers, Jr.