3162649

Information

• Patent Grant
• 3162649

• References
• Source

• Patent Number

  3,162,649

• Date Filed

  Not available

• Date Issued

  Tuesday, December 22, 1964
  60 years ago

• CPC

  • C07D207/456 - with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
  • C09B5/2436 - only nitrogen-containing hetero rings
  • C09B57/00 - Other synthetic dyes of known constitution
  • Y10S8/919 - Paper

• US Classifications

  • 548 - Organic compounds
  • 008 - Bleaching and dyeing