Patents by Inventor David B. Reitz

David B. Reitz 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-substituted aminomethylphosphonic acids
    Patent number: 4804499
    Abstract: A process for the preparation of an N-substituted aminomethylphosphonic acid comprising reacting a 2,5-diketopiperazine compound with phosphorous acid and formaldehyde in an acidic medium.
    Type: Grant
    Filed: September 23, 1985
    Date of Patent: February 14, 1989
    Assignee: Monsanto Company
    Inventors: William H. Miller, David B. Reitz, Mitchell J. Pulwer
  • Process for the preparation of N-substituted aminomethylphosphonic acids
    Patent number: 4657705
    Abstract: A process for the preparation of an N-substituted aminomethylphosphonic acid comprising reacting a substituted amine, urea or carbamate substrate compound with phosphorous acid and formaldehyde in an acidic medium.
    Type: Grant
    Filed: September 23, 1985
    Date of Patent: April 14, 1987
    Assignee: Monsanto Company
    Inventors: William H. Miller, David B. Reitz, Mitchell J. Pulwer