Patents by Inventor Ferenc Kertesz

Ferenc Kertesz 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).

  • Water-resistant photographic paper support
    Patent number: 4844777
    Abstract: There is described a water-resistant paper support for photographic layers with at least one coating hardened by electron beams, in which the base paper of the paper support contains at least one aluminum compound in a quantity, relative to the aluminum ion, of 1 to 12 kg/t of cellulose, preferably 3 to 6 kg/t of cellulose, and with a pH-value of the paper stuff of the base paper between 5 and 8.
    Type: Grant
    Filed: August 25, 1986
    Date of Patent: July 4, 1989
    Assignee: Felix Schoeller GmbH & Co., KG
    Inventors: Reiner Anthonsen, Ferenc Kertesz, Wieland Sack
  • Waterproof photographic paper and method of producing same
    Patent number: 4364971
    Abstract: A method for producing a waterproof paper support having a photographic emulsion which is characterized by a highly plane surface which includes the steps of coating one side of the paper with a pigmented resin hardenable by radiation, pressing the resin surface against a highly polished surface such as the surface of a chrome-plated drum and then separating the hardened product from the polished surface.
    Type: Grant
    Filed: June 12, 1981
    Date of Patent: December 21, 1982
    Assignee: Felix Schoeller, Jr. GmbH & Co.
    Inventors: Wieland Sack, Reiner Anthonsen, Ferenc Kertesz