3639387

Information

• Patent Grant
• 3639387

• References
• Source

• Patent Number

  3,639,387

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  53 years ago

• CPC

  • D06P1/18 - Azo dyes
  • C09B29/0003 - from diazotized anilines
  • C09B29/0037 - containing a five-membered heterocyclic ring with two nitrogen atoms
  • C09B29/0081 - Isothiazoles or condensed isothiazoles
  • C09B29/0085 - Thiazoles or condensed thiazoles
  • C09B29/0088 - Benzothiazoles
  • C09B29/0092 - containing a five-membered heterocyclic ring with two nitrogen and one sulfur as heteroatoms
  • C09B29/3656 - containing amino-1,2-diazoles
  • C09B31/147 - Pyrazoles
  • D06P3/26 - using dispersed dyestuffs
  • D06P3/54 - using dispersed dyestuffs

• US Classifications

  • 534 - Organic compounds
  • 548 - Organic compounds