1885449

Information

• Patent Grant
• 1885449

• References
• Source

• Patent Number

  1,885,449

• Date Filed

  Not available

• Date Issued

  Tuesday, November 1, 1932
  92 years ago

• CPC

  • C09B3/00 - Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
  • C09B3/12 - Dibenzanthronyls

• US Classifications

  • 552 - Organic compounds