Patents Assigned to Issec and Tissages de Soieries Rennis
  • Process for photochemically coloring textiles using photosensitive triazene and coupler therefor
    Patent number: 4268600
    Abstract: A photochemical color-printing process for textile articles wherein a photosensitive triazene and azo dye coupling agent are applied to surface of textile article, the coated textile is exposed to light with a negative image, unreacted chemical products are removed by washing and rinsing the coated textile article after imaging, and then the coated textile article is dried.
    Type: Grant
    Filed: December 1, 1978
    Date of Patent: May 19, 1981
    Assignee: Issec and Tissages de Soieries Rennis
    Inventors: Jean J. Robillard, Claude R. Riou