3329560

Information

• Patent Grant
• 3329560

• References
• Source

• Patent Number

  3,329,560

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1967
  57 years ago

• CPC

  • D21H17/455 - comprising tertiary amine or being at least partially quaternised
  • C09J139/04 - Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
  • D21H11/06 - Sulfite or bisulfite pulp
  • D21H21/16 - Sizing or water-repelling agents

• US Classifications

  • 162 - Paper making and fiber liberation
  • 526 - Synthetic resins or natural rubbers