3773464

Information

• Patent Grant
• 3773464

• References
• Source

• Patent Number

  3,773,464

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1973
  51 years ago

• CPC

  • C09B67/0071 - Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
  • D06P1/65118 - Compounds containing hydroxyl groups
  • D06P1/67375 - with sulfur-containing anions
  • D21H21/28 - Colorants; Pigments or opacifying agents
  • D21H21/30 - Luminescent or fluorescent substances

• US Classifications

  • 008 - Bleaching and dyeing
  • 252 - Compositions