2180953

Information

• Patent Grant
• 2180953

• References
• Source

• Patent Number

  2,180,953

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1939
  85 years ago

• CPC

  • C07C69/95 - Esters of quinone carboxylic acids

• US Classifications

  • 560 - Organic compounds
  • 552 - Organic compounds