3772142

Information

• Patent Grant
• 3772142

• References
• Source

• Patent Number

  3,772,142

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • D21H17/42 - anionic
  • C08F28/00 - Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur
  • D21F11/004 - by modification of the viscosity of the suspension
  • D21H5/1254 - of fibres which have been treated to improve their dispersion in the paper-making furnish
  • D21H13/10 - Organic non-cellulose fibres
  • Y10S516/05 - Organic amine, amide, or n-base containing

• US Classifications

  • 162 - Paper making and fiber liberation
  • 516 - Colloid systems and wetting agents
  • 524 - Synthetic resins or natural rubbers