Patents Assigned to Felix Schoeller, Jr.
  • Photographic carrier material containing thermoplastic microspheres
    Patent number: 4133688
    Abstract: A photographic carrier material comprising a cellulose sheet which is coated on both surfaces with a polyolefin resin and in which hollow, thermoplastic microspheres are uniformly mixed therein in an amount of from 0.5 - 5.0 weight percent.
    Type: Grant
    Filed: July 8, 1977
    Date of Patent: January 9, 1979
    Assignee: Felix Schoeller, Jr.
    Inventor: Wieland H. Sack