2167073

Information

• Patent Grant
• 2167073

• References
• Source

• Patent Number

  2,167,073

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1939
  85 years ago

• CPC

  • C07D407/14 - containing three or more hetero rings
  • C07C67/03 - by reacting an ester group with a hydroxy group
  • C07C209/82 - Purification Separation Stabilisation Use of additives

• US Classifications

  • 560 - Organic compounds
  • 252 - Compositions
  • 528 - Synthetic resins or natural rubbers