3341539

Information

• Patent Grant
• 3341539

• References
• Source

• Patent Number

  3,341,539

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1967
  57 years ago

• CPC

  • C09B62/4409 - Anthracene dyes
  • C09B9/00 - Esters or ester-salts of leuco compounds of vat dyestuffs
  • C09B9/02 - of anthracene dyes
  • C09B62/004 - Anthracene dyes
  • C09B62/4422 - the heterocyclic system being a pyrimidine ring

• US Classifications

  • 544 - Organic compounds
  • 008 - Bleaching and dyeing