Patents by Inventor Matthew P McWilliams

Matthew P McWilliams 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 nitrosourea compounds
    Patent number: 6096923
    Abstract: A process for the preparation of a nitrosourea derivative, in particular 1,2-bis(2-chloroethyl)-1-nitrosourea, comprises reacting a non-nitrosated urea derivative with a metal nitrite in a two-phase solvent system comprising an aqueous acid and a non-miscible organic solvent.
    Type: Grant
    Filed: September 11, 1998
    Date of Patent: August 1, 2000
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Matthew P McWilliams, Chester Sapino