Patents Assigned to Color Optics, Ltd.
  • Method of pigmenting water-absorbable plastics
    Patent number: 4746691
    Abstract: A colored opacified plastic material containing an organic binder, at least one pigment, a hydrophilic polymerizable plastic material and a cross linking agent is disclosed together with a method of making the same.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: May 24, 1988
    Assignee: Color Optics, Ltd.
    Inventor: Ari Fuhrman
  • Method of pigmenting water-absorbable plastic and products therefrom
    Patent number: 4638025
    Abstract: A colored opacified plastic material containing an organic binder, at least one pigment, a hydrophilic polymerizable plastic material and a cross linking agent is disclosed together with a method of making the same.
    Type: Grant
    Filed: April 17, 1985
    Date of Patent: January 20, 1987
    Assignee: Color Optics, Ltd.
    Inventor: Ari Fuhrman