3427308

Information

• Patent Grant
• 3427308

• References
• Source

• Patent Number

  3,427,308

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1969
  56 years ago

• CPC

  • C09B62/56 - Anthracene dyes
  • C09B62/004 - Anthracene dyes
  • C09B62/4409 - Anthracene dyes
  • C09B62/4422 - the heterocyclic system being a pyrimidine ring

• US Classifications

  • 544 - Organic compounds
  • 534 - Organic compounds