1731800

Information

• Patent Grant
• 1731800

• References
• Source

• Patent Number

  1,731,800

• Date Filed

  Not available

• Date Issued

  Tuesday, October 15, 1929
  94 years ago

• CPC

  • C09B5/50 - Preparation by alkaline melting of 2-amino-anthraquinones

• US Classifications

  • 544 - Organic compounds