3501505

Information

• Patent Grant
• 3501505

• References
• Source

• Patent Number

  3,501,505

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1970
  55 years ago

• CPC

  • C09B62/004 - Anthracene dyes
  • C09B62/467 - Anthracene dyes

• US Classifications

  • 552 - Organic compounds
  • 544 - Organic compounds
  • 548 - Organic compounds