3923727

Information

• Patent Grant
• 3923727

• References
• Source

• Patent Number

  3,923,727

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1975
  49 years ago

• CPC

  • C09B1/32 - substituted by aryl groups
  • C08K5/0041 - Optical brightening agents, organic pigments
  • C09B1/56 - Mercapto-anthraquinones
  • C09B5/10 - Isothiazolanthrones Isoxazolanthrones Isoselenazolanthrones
  • C09B43/00 - Preparation of azo dyes from other azo compounds

• US Classifications

  • 524 - Synthetic resins or natural rubbers