Patents Assigned to Felix Schoeller jr. Foto-und Spezialpapiere GmbH & Co.KG
  • Polyolefin-coated photographic support material
    Patent number: 5395689
    Abstract: A photographic support material with a coating on each side. At least one of the coatings comprises a mixture of polyolefins and optional agents that have a positive effect on the utilization of the support material. A white pigment is an example. The polyolefin mixture comprising the coating contains at least one copolymer of an .alpha.-olefin with an .alpha., .beta.-unsaturated carboxylic acid. At least 5% and preferably 20% to 80% by weight of the mixture is copolymer.
    Type: Grant
    Filed: December 6, 1993
    Date of Patent: March 7, 1995
    Assignee: Felix Schoeller jr Foto- und Spezialpapiere GmbH & Co. KG
    Inventor: Ralf-Burkhard Dethlefs