Patents by Inventor Michael R. J. Lyons

Michael R. J. Lyons 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).

  • Indicator compositions
    Patent number: 4160375
    Abstract: A water washable, wash resistant biodegradable dye penetrant composition is described. It comprises one or more dyes and at least 70% of a substantially linear primary alcohol ethoxylate containing 2 to 4.5 ethoxy groups per molecule.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: July 10, 1979
    Assignee: Brent Chemicals International Limited
    Inventors: Philip I. Brittain, Michael R. J. Lyons