2590640

Information

• Patent Grant
• 2590640

• References
• Source

• Patent Number

  2,590,640

• Date Filed

  Not available

• Date Issued

  Tuesday, March 25, 1952
  72 years ago

• CPC

  • C09B29/02 - from diazotised o-amino-hydroxy compounds

• US Classifications

  • 534 - Organic compounds