1890098

Information

• Patent Grant
• 1890098

• References
• Source

• Patent Number

  1,890,098

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1932
  92 years ago

• CPC

  • C07C271/06 - Esters of carbamic acids
  • C09B5/20 - Flavanthrones

• US Classifications

  • 552 - Organic compounds
  • 546 - Organic compounds