1809318

Information

• Patent Grant
• 1809318

• References
• Source

• Patent Number

  1,809,318

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1931
  93 years ago

• CPC

  • C09B49/06 - from azines, oxazines, thiazines or thiazoles

• US Classifications

  • 544 - Organic compounds