1988363

Information

• Patent Grant
• 1988363

• References
• Source

• Patent Number

  1,988,363

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1935
  90 years ago

• CPC

  • D21C5/027 - Chemicals therefor
  • Y02W30/648 - Recovery of cellulose by working-up waste paper
  • Y10S162/03 - Wetting agent

• US Classifications

  • 162 - Paper making and fiber liberation