3455897

Information

• Patent Grant
• 3455897

• References
• Source

• Patent Number

  3,455,897

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1969
  55 years ago

• CPC

  • C09B62/4422 - the heterocyclic system being a pyrimidine ring
  • C09B62/012 - Metal complex azo dyes
  • C09B62/032 - Metal complex azo dyes
  • C09B62/4401 - with two or more reactive groups at least one of them being directly attached to a heterocyclic system and at least one of them being directly attached to a non-heterocyclic system
  • C09B62/4416 - Metal complex azo dyes

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing
  • 564 - Organic compounds