3446569

Information

• Patent Grant
• 3446569

• References
• Source

• Patent Number

  3,446,569

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1969
  55 years ago

• CPC

  • D06P3/60 - natural or regenerated cellulose
  • C09B67/0032 - Treatment of phthalocyanine pigments
  • C09B67/0071 - Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
  • C09B67/0083 - Solutions of dyes
  • D06P1/0048 - Converting dyes in situ in a non-appropriate form by hydrolysis, saponification, reduction with split-off of a substituent
  • D06P1/44 - using insoluble pigments or auxiliary substances
  • D06P1/65106 - Oxygen-containing compounds
  • D06P1/655 - Compounds containing ammonium groups
  • D06P1/66 - containing quaternary ammonium groups

• US Classifications

  • 008 - Bleaching and dyeing
  • 106 - Compositions: coating or plastic