Patents by Inventor Hector A. Vanden Eynde

Hector A. Vanden Eynde 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).

  • Novel photographic color couplers
    Patent number: 4230870
    Abstract: Novel magenta forming color couplers for use in silver halide color photography are described which correspond to the formula: ##STR1## wherein R.sub.1 represents hydrogen, alkyl or aryl; R.sub.2 represents fluoroalkyl, cyanoalkyl or phenyl; X is hydrogen or a displaceable group; Ar represents phenylene and Y represents alkyl, aryl, alkylamino, arylamino or alkylarylamino.
    Type: Grant
    Filed: March 29, 1976
    Date of Patent: October 28, 1980
    Assignee: AGFA-GEVAERT N.V.
    Inventors: Hector A. Vanden Eynde, Raphael K. Van Poucke