Patents by Inventor Phillip Sisk

Phillip Sisk 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).

  • Pigmented inkjet ink
    Publication number: 20050014864
    Abstract: The present invention provides pigmented inks comprising self-dispersing pigment and an amino-containing compound. The addition of an amino-containing compound to the self-dispersing pigment can improve the reliability and performance of the ink in an inkjet printhead. The present invention also provides methods for making a surface modified pigment comprising associating a self-dispersing pigment with an amino-containing compound having no more than one primary amino group or one secondary amino group.
    Type: Application
    Filed: July 16, 2003
    Publication date: January 20, 2005
    Inventors: Charles Akers, Sandra McCain, Phillip Sisk, Jing Sun