Patents by Inventor Carl F. Holtz

Carl F. Holtz 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).

  • Method for improving the archival properties of processed photographic film in a storage assembly for achieving the same
    Patent number: 5215192
    Abstract: A method for improving the archival properties of a processed photographic film and a storage assembly for achieving the same by placing the film in a sealed container together with molecular sieve zeolites.
    Type: Grant
    Filed: October 16, 1992
    Date of Patent: June 1, 1993
    Assignee: Eastman Kodak Company
    Inventors: Arunachalam T. Ram, Carl F. Holtz, Richard C. Sehlin, David F. Kopperl
  • Photographic silver halide elements containing optical brightening water-soluble interpolymers
    Patent number: 4106941
    Abstract: Interpolymers from monomers containing optical brightening moieties and solubilizing groups are useful in optical brightening compositions. Photographic elements containing these optical brightening compositions have excellent light stability.
    Type: Grant
    Filed: July 17, 1974
    Date of Patent: August 15, 1978
    Assignee: Eastman Kodak Company
    Inventors: Peter W. Scullard, John Figueras, Carl F. Holtz