Patents by Inventor Philip I. Rose

Philip I. Rose 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).

  • Modified peptizer twinned grain silver halide emulsions and processes for their preparation
    Patent number: 4942120
    Abstract: The present invention is directed to a process of precipitating for use in photography a silver halide emulsion employing a gelatino-peptizer containing alkylated methionine and to an emulsion produced by this process. A variety of advantages can be realized, including an increase in the population of twinned grains and a higher yield of thin tabular grains.
    Type: Grant
    Filed: April 28, 1989
    Date of Patent: July 17, 1990
    Assignee: Eastman Kodak Company
    Inventors: Scott A. King, Philip I. Rose, Joe E. Maskasky