Patents by Inventor Kevin Gerzevske

Kevin Gerzevske 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).

  • Quinophenanthrine diones fluorescent whitening agents
    Publication number: 20070050927
    Abstract: Tetrahydro- and dihydroquinophenanthrine dione fluorescent whitening agents and a process for their preparation are provided.
    Type: Application
    Filed: September 1, 2006
    Publication date: March 8, 2007
    Inventors: Damien Cole, Kevin Gerzevske
  • Quinacridone pigment compositions comprising unsymmetrically substituted components
    Publication number: 20050011403
    Abstract: The present invention relates to a novel quinacridone pigment compositions, a process using a mixed amine synthesis for the ultimate production of the compositions and to their use as colorants for pigmenting high molecular weight organic materials.
    Type: Application
    Filed: July 13, 2004
    Publication date: January 20, 2005
    Inventors: Valentina Mitina, Kevin Gerzevske, Stephane Biry, Christine Halik