2191674

Information

• Patent Grant
• 2191674

• References
• Source

• Patent Number

  2,191,674

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1940
  84 years ago

• CPC

  • C09B11/14 - Preparation from aromatic aldehydes, aromatic carboxylic acids or derivatives thereof and aromatic amines

• US Classifications

  • 552 - Organic compounds
  • 122 - Liquid heaters and vaporizers