1836123

Information

• Patent Grant
• 1836123

• References
• Source

• Patent Number

  1,836,123

• Date Filed

  Not available

• Date Issued

  Tuesday, December 15, 1931
  93 years ago

• CPC

  • C07C63/337 - with carboxyl groups bound to condensed ring systems

• US Classifications

  • 562 - Organic compounds