2032437

Information

• Patent Grant
• 2032437

• References
• Source

• Patent Number

  2,032,437

• Date Filed

  Not available

• Date Issued

  Tuesday, March 3, 1936
  88 years ago

• CPC

  • D21C11/02 - of acid, neutral or alkaline sulfite lye
  • D21C3/14 - ammonium bisulfite

• US Classifications

  • 162 - Paper making and fiber liberation