1958624

Information

• Patent Grant
• 1958624

• References
• Source

• Patent Number

  1,958,624

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1934
  90 years ago

• CPC

  • C14C3/24 - using lignin derivatives

• US Classifications

  • 530 - Chemistry: natural resins or derivatives