3291771

Information

• Patent Grant
• 3291771

• References
• Source

• Patent Number

  3,291,771

• Date Filed

  Not available

• Date Issued

  Tuesday, December 13, 1966
  57 years ago

• CPC

  • D01F6/60 - from polyamides
  • C08K5/3417 - condensed with carbocyclic rings
  • C09B5/26 - Carbazoles of the anthracene series
  • D01F1/06 - Dyes

• US Classifications

  • 524 - Synthetic resins or natural rubbers
  • 548 - Organic compounds