3420615

Information

• Patent Grant
• 3420615

• References
• Source

• Patent Number

  3,420,615

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1969
  56 years ago

• CPC

  • D06P3/666 - reactive group not directly attached to heterocyclic group
  • C09B47/24 - Obtaining compounds having -COOH or -SO3H radicals, or derivatives thereof, directly bound to the phthalocyanine radical
  • D06P1/30 - using sulfur dyes

• US Classifications

  • 008 - Bleaching and dyeing