Patents by Inventor Mark John Vincent

Mark John Vincent 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).

  • Pigment compositions
    Patent number: 6096801
    Abstract: The present invention provides a composition comprising a pigment and from 0.1 to 10% by weight, based on the weight of pigment, of at least one dendrimer.
    Type: Grant
    Filed: May 19, 1998
    Date of Patent: August 1, 2000
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Mark John Vincent, Greig Chisholm
  • Method of marking an article
    Patent number: 5916943
    Abstract: Laser marking compositions, articles of manufacture using same and methods of preparing said articles and compositions are disclosed which comprise a polymer including a cyclopentanone compound which is thermally stable at temperatures required to melt process polymers, but which will eliminate water when subjected to an excimer laser to form a visible mark comprising a cyclopentadienone.
    Type: Grant
    Filed: April 1, 1998
    Date of Patent: June 29, 1999
    Assignee: BICC Public Limited Company
    Inventors: Harry George Heller, Mark John Vincent