1991769

Information

• Patent Grant
• 1991769

• References
• Source

• Patent Number

  1,991,769

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1935
  89 years ago

• CPC

  • D01C1/02 - By chemical methods to obtain bast fibres
  • Y10S162/03 - Wetting agent

• US Classifications

  • 162 - Paper making and fiber liberation
  • 536 - Organic compounds