Patents by Inventor Eva M. Breckner

Eva M. Breckner 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).

  • Easily dispersible carbon blacks
    Patent number: 5200164
    Abstract: Carbon blacks treated with a treating agent comprising at least one compound containing at least one long chain alkenyl or alkyl group and at least one amine group. Optionally, the compound contains at least one chemical group for linking the long chain alkenyl or alkyl group with the amine group. Also disclosed are ink compositions incorporating the treated carbon blacks and processes for preparing the compositions.
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: April 6, 1993
    Assignee: Cabot Corporation
    Inventors: Avrom I. Medalia, Eva M. Breckner, James A. Belmont