Patents by Inventor James J. Krikke

James J. Krikke 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).

  • Soft textured high strength alkali blue pigment and process for preparing the same
    Patent number: 4789404
    Abstract: A process for preparing a soft textured high strength Alkali Blue pigment toner comprising preparing an initial mixture from an alkali metal hydroxide, Alkali Blue pigment, resin, oil or varnish, free fatty acid and water and adding a mineral acid to said mixture to precipitate the pigment product.
    Type: Grant
    Filed: September 17, 1986
    Date of Patent: December 6, 1988
    Assignee: BASF Corporation
    Inventors: Doreswamy R. Iyengar, James J. Krikke