Patents by Inventor James Franklin Bullock

James Franklin Bullock 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).

  • Patent number: 6641620
    Abstract: A dye mixture comprises: a) at least one pyrroline type dye of formula (I) wherein R1 is H, C1-20alkyl or C2-20alkenyl; and D is aryl; and b) at least one anthraquinone type dye of formula (II), wherein RB is (CH2)nORB1; RB1 is C1-6alkyl or C1-6alkoxy-C1-6alkyl; n is 1-6; and ZB is O or NH.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: November 4, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Alan Thomas Leaver, David Brierley, James Franklin Bullock