Patents by Inventor Arthur T. Chakalis

Arthur T. Chakalis 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).

  • Direct pigment photographic printing
    Patent number: 5215837
    Abstract: A direct pigment photographic printing process and composition based on a two-step coating process comprising a first coating applied to a sealed substrate containing between 2 to 8 and 8 to 2 weight parts of gum arabic to gelatin, and then applying a second top coating containing preferred ratios of gum arabic to gelatin. The process is based on heating the first and second coating compositions sufficiently above about 105.degree. F. prior to application to the substrate to assure homogeneous mixtures of each coating at the time of application.
    Type: Grant
    Filed: March 30, 1992
    Date of Patent: June 1, 1993
    Inventor: Arthur T. Chakalis