Patents by Inventor Jr. Fields

Jr. Fields 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 the preparation of N- phosphonomethylglycine
    Patent number: 4851159
    Abstract: A process is disclosed for the preparation of N-phosphonomethylglycine which comprises bringing together under reaction conditions glyoxylic acid or a derivative thereof and an N-acylaminomethylphosphonic acid represented by the formula ##STR1## wherein R is selected from the group consisting of alkyl having from one to about 6 carbon atoms, haloalkyl having from one to about six carbon atoms, benzyl and phenyl.
    Type: Grant
    Filed: May 2, 1988
    Date of Patent: July 25, 1989
    Assignee: Monsanto Company
    Inventors: Jr. Fields, Raymond C. Grabiak, Sherrol L. Baysdon, Peter E. Rogers