3372138

Information

• Patent Grant
• 3372138

• References
• Source

• Patent Number

  3,372,138

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1968
  56 years ago

• CPC

  • C09B69/00 - Dyes not provided for by a single group of this subclass
  • C08G63/6854 - derived from polycarboxylic acids and polyhydroxy compounds
  • C08G63/6884 - derived from polycarboxylic acids and polyhydroxy compounds
  • C08K5/0041 - Optical brightening agents, organic pigments
  • C08K5/375 - containing six-membered aromatic rings
  • C09B1/32 - substituted by aryl groups
  • C09B1/585 - substituted by aryl radicals
  • C09B5/36 - Amino acridones

• US Classifications

  • 524 - Synthetic resins or natural rubbers