Patents Assigned to Hoffman & Engelmann AG
  • Support for transfer images or slide-off images
    Patent number: 4529654
    Abstract: A support is disclosed for transfer images or slide-off images, composed of absorbent paper with an applied barrier layer and a water-soluble separation layer for receiving an image layer, whereby the separation layer applied to said support comprises a homo- or co-polymer of acrylic acid and/or a copolymer of alkylvinyl ether and maleic acid anhydride.
    Type: Grant
    Filed: March 26, 1984
    Date of Patent: July 16, 1985
    Assignee: Hoffman & Engelmann AG
    Inventor: Henner Drum