3157667

Information

• Patent Grant
• 3157667

• References
• Source

• Patent Number

  3,157,667

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1964
  60 years ago

• CPC

  • C09B43/145 - with polycarboxylic acids
  • C08K5/45 - Heterocyclic compounds having sulfur in the ring
  • C09B6/00 - Anthracene dyes not provided for above
  • C09B43/12 - by acylation of amino groups
  • C09B69/00 - Dyes not provided for by a single group of this subclass

• US Classifications

  • 548 - Organic compounds
  • 106 - Compositions: coating or plastic
  • 524 - Synthetic resins or natural rubbers
  • 534 - Organic compounds
  • 544 - Organic compounds
  • 546 - Organic compounds
  • 549 - Organic compounds