2188944

Information

• Patent Grant
• 2188944

• References
• Source

• Patent Number

  2,188,944

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1940
  85 years ago

• CPC

  • C07C39/44 - Metal derivatives of an hydroxy group bound to a carbon atom of a six-membered aromatic ring

• US Classifications

  • 514 - Drug, bio-affecting and body treating compositions
  • 210 - Liquid purification or separation
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 568 - Organic compounds