3216779

Information

• Patent Grant
• 3216779

• References
• Source

• Patent Number

  3,216,779

• Date Filed

  Not available

• Date Issued

  Tuesday, November 9, 1965
  59 years ago

• CPC

  • D21H25/02 - Chemical or biochemical treatment
  • D06M15/423 - Amino-aldehyde resins
  • D21H5/1281 - by chemical treatment
  • D21H17/49 - with compounds containing hydrogen bound to nitrogen
  • D21H11/18 - Highly hydrated, swollen or fibrillatable fibres

• US Classifications

  • 008 - Bleaching and dyeing