3834982

Information

• Patent Grant
• 3834982

• References
• Source

• Patent Number

  3,834,982

• Date Filed

  Not available

• Date Issued

  Tuesday, September 10, 1974
  50 years ago

• CPC

  • C02F3/1284 - Mixing devices
  • B01F3/0807 - Emulsifying
  • C02F1/24 - by flotation
  • C02F1/34 - with mechanical oscillations
  • C02F1/72 - by oxidation
  • C02F1/76 - with halogens or compounds of halogens
  • C02F3/1294 - "Venturi" aeration means
  • C08B1/00 - Preparatory treatment of cellulose for making derivatives thereof
  • C08B1/10 - Apparatus for the preparation of alkali cellulose
  • C08B9/02 - Sulfidisers Dissolvers
  • D06B3/02 - of fibres, slivers or rovings
  • D21B1/12 - by wet methods, by the use of steam
  • D21C3/224 - Use of means other than pressure and temperature
  • D21C9/08 - Removal of fats, resins, pitch or waxes; Chemical or physical purification
  • D21C9/1015 - with use of means other than pressure, temperature
  • D21C9/1026 - Other features in bleaching processes
  • D21F1/66 - Pulp catching, de-watering, or recovering Re-use of pulp-water
  • Y02W10/15 - Aerobic processes

• US Classifications

  • 162 - Paper making and fiber liberation
  • 068 - Textiles: fluid treating apparatus
  • 134 - Cleaning and liquid contact with solids