2909404

Information

• Patent Grant
• 2909404

• References
• Source

• Patent Number

  2,909,404

• Date Filed

  Not available

• Date Issued

  Tuesday, October 20, 1959
  65 years ago

• CPC

  • C11D9/30 - containing nitrogen
  • C11D3/26 - containing nitrogen
  • C11D3/3902 - combined with specific additives
  • C11D9/42 - Per-compounds
  • D06L3/02 - using compounds which develop oxygen
  • D06L3/021 - combined with specific additives
  • D06M13/332 - Di- or polyamines
  • D06M13/335 - having an amino group bound to a carbon atom of a six-membered aromatic ring
  • D06M13/35 - Heterocyclic compounds
  • D06M13/376 - Oximes
  • D06M13/432 - Urea, thiourea or derivatives thereof
  • D21C9/02 - Washing; Displacing cooking or pulp-treating liquors contained in the pulp by fluids
  • Y10S8/06 - Resin bleach

• US Classifications

  • 008 - Bleaching and dyeing