2154981

Information

• Patent Grant
• 2154981

• References
• Source

• Patent Number

  2,154,981

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1939
  85 years ago

• CPC

  • C09B43/136 - with polyfunctional acylating agents

• US Classifications

  • 534 - Organic compounds