Carboxylic Acid Or Derivative Patents (Class 430/635)
  • Photographic sheet with synthetic hectorite antistatic additive as sizing or backcoat
    Patent number: 4173480
    Abstract: Sheet material having a polymeric surface for receiving a photographic image, the material comprising an antistatic agent which is a synthetic hectorite clay having a layered structure the layers of which are electrically charged.
    Type: Grant
    Filed: April 11, 1978
    Date of Patent: November 6, 1979
    Assignee: Wiggins Teape Limited
    Inventor: Antony I. Woodward