2789974

Information

• Patent Grant
• 2789974

• References
• Source

• Patent Number

  2,789,974

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1957
  67 years ago

• CPC

  • C14C3/24 - using lignin derivatives

• US Classifications

  • 530 - Chemistry: natural resins or derivatives
  • 008 - Bleaching and dyeing