2642444

Information

• Patent Grant
• 2642444

• References
• Source

• Patent Number

  2,642,444

• Date Filed

  Not available

• Date Issued

  Tuesday, June 16, 1953
  71 years ago

• CPC

  • C09B62/80 - Anthracene dyes
  • C09B1/585 - substituted by aryl radicals

• US Classifications

  • 552 - Organic compounds
  • 546 - Organic compounds