1842694

Information

• Patent Grant
• 1842694

• References
• Source

• Patent Number

  1,842,694

• Date Filed

  Not available

• Date Issued

  Tuesday, January 26, 1932
  92 years ago

• CPC

  • C09B5/347 - Anthraquinone acridones
  • C09B3/32 - by halogenation
  • C09B5/58 - by halogenation
  • C11D3/08 - Silicates

• US Classifications

  • 552 - Organic compounds
  • 544 - Organic compounds
  • 546 - Organic compounds