2148146

Information

• Patent Grant
• 2148146

• References
• Source

• Patent Number

  2,148,146

• Date Filed

  Not available

• Date Issued

  Tuesday, February 21, 1939
  85 years ago

• CPC

  • C09B33/08 - in which the coupling component is a hydroxy-amino compound

• US Classifications

  • 534 - Organic compounds