3879258

Information

• Patent Grant
• 3879258

• References
• Source

• Patent Number

  3,879,258

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1975
  49 years ago

• CPC

  • D21H17/455 - comprising tertiary amine or being at least partially quaternised
  • C02F1/54 - using organic material
  • C08F20/56 - Acrylamide Methacrylamide
  • C08F120/04 - Acids Metal salts or ammonium salts thereof
  • D21H17/37 - Polymers of unsaturated acids or derivatives thereof
  • D21H17/38 - containing crosslinkable groups
  • D21H21/20 - Wet strength agents

• US Classifications

  • 162 - Paper making and fiber liberation