1441240

Information

• Patent Grant
• 1441240

• References
• Source

• Patent Number

  1,441,240

• Date Filed

  Not available

• Date Issued

  Tuesday, January 9, 1923
  102 years ago

• CPC

  • D06M15/055 - with the residual liquors derived of the sulfatic process for the preparation of cellulose
  • D06P1/50 - Derivatives of cellulose
  • Y10S8/917 - Wool or silk

• US Classifications

  • 008 - Bleaching and dyeing