3520648

Information

• Patent Grant
• 3520648

• References
• Source

• Patent Number

  3,520,648

• Date Filed

  Not available

• Date Issued

  Tuesday, July 14, 1970
  54 years ago

• CPC

  • C09B67/0038 - Mixtures of anthraquinones
  • C09B1/514 - N-aryl derivatives
  • C09B67/008 - Preparations of disperse dyes or solvent dyes
  • D06P1/20 - Anthraquinone dyes
  • D06P1/622 - Sulfonic acids or their salts
  • D06P3/36 - using dispersed dyestuffs
  • D06P3/42 - using dispersed dyestuffs
  • D06P3/54 - using dispersed dyestuffs
  • Y10S8/922 - Polyester fiber

• US Classifications

  • 008 - Bleaching and dyeing