Patents by Inventor Peter H. Holm

Peter H. Holm 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).

  • Polyolefin coated photographic base and method of producing
    Patent number: 4042398
    Abstract: A process is provided to produce a novel photographic base by applying an aqueous coating composition containing aluminum oxide particles to at least one surface of a substrate, drying the coated substrate, applying a molten film of a polyolefin over at least one of the coated surfaces of the coated substrate, adhering the polyolefin to the coated surface, and cooling the polyolefin film to a temperature below the melt point of the polyolefin. The photographic base so produced may be further treated by applying a coating of a light sensitive silver halide emulsion to one side of the photographic base paper and drying the emulsion coated paper.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: August 16, 1977
    Assignee: Schoeller Technical Papers, Inc.
    Inventors: Peter H. Holm, William L. Quartz