3447956

Information

• Patent Grant
• 3447956

• References
• Source

• Patent Number

  3,447,956

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1969
  55 years ago

• CPC

  • D21H11/18 - Highly hydrated, swollen or fibrillatable fibres
  • D06M13/388 - Amine oxides
  • D21H5/1281 - by chemical treatment
  • D21H17/07 - Nitrogen-containing compounds
  • D21H25/02 - Chemical or biochemical treatment

• US Classifications

  • 162 - Paper making and fiber liberation
  • 008 - Bleaching and dyeing
  • 427 - Coating processes