2777863

Information

• Patent Grant
• 2777863

• References
• Source

• Patent Number

  2,777,863

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1957
  68 years ago

• CPC

  • C09B62/80 - Anthracene dyes
  • C09B1/514 - N-aryl derivatives
  • C09B1/515 - N-alkyl, N-aralkyl or N-cycloalkyl derivatives

• US Classifications

  • 552 - Organic compounds
  • 560 - Organic compounds
  • 562 - Organic compounds
  • 564 - Organic compounds