2124688

Information

• Patent Grant
• 2124688

• References
• Source

• Patent Number

  2,124,688

• Date Filed

  Not available

• Date Issued

  Tuesday, July 26, 1938
  86 years ago

• CPC

  • C09B31/025 - containing acid groups
  • C09B43/22 - having the carboxylic group directly attached to an aromatic carbocyclic ring
  • C09B43/24 - with formation of -O-SO2-R or -O-SO3H radicals
  • C09B43/28 - by etherification of hydroxyl groups

• US Classifications

  • 534 - Organic compounds