2141637

Information

• Patent Grant
• 2141637

• References
• Source

• Patent Number

  2,141,637

• Date Filed

  Not available

• Date Issued

  Tuesday, December 27, 1938
  86 years ago

• CPC

  • C04B26/24 - Cellulosic waste liquor

• US Classifications

  • 524 - Synthetic resins or natural rubbers
  • 051 - Abrasive tool making process, material, or composition
  • 106 - Compositions: coating or plastic