Patents by Inventor Niran Nugara

Niran Nugara 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).

  • Organic pigment compositions
    Patent number: 5711800
    Abstract: This invention relates to pigment compositions comprising an organic pigment treated with about 0.1 to about 20% by weight, based on the organic pigment, of an N-heteroarylamidomethyl pigment derivative having the formula (I) ##STR1## wherein, Q represents an organic pigment moiety,NHet represents a nitrogen-containing heteroaromatic group attached at a ring nitrogen atom to the carbonyl function of the amidomethyl linking group, andn is from 1 to 4.
    Type: Grant
    Filed: December 31, 1996
    Date of Patent: January 27, 1998
    Assignee: Bayer Corporation
    Inventors: Ibraheem T. Badejo, John F. Britanak, Margot Campos, Daphne J. Rice, Niran Nugara