2222532

Information

• Patent Grant
• 2222532

• References
• Source

• Patent Number

  2,222,532

• Date Filed

  Not available

• Date Issued

  Tuesday, November 19, 1940
  84 years ago

• CPC

  • C08J7/065 - Low-molecular-weight organic substances
  • C08K5/42 - Sulfonic acids Derivatives thereof
  • D21H21/143 - Agents preventing ageing of paper
  • C08J2301/00 - Characterised by the use of cellulose, modified cellulose or cellulose derivatives

• US Classifications

  • 252 - Compositions
  • 162 - Paper making and fiber liberation