3717974

Information

• Patent Grant
• 3717974

• References
• Source

• Patent Number

  3,717,974

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1973
  52 years ago

• CPC

  • C01B21/045 - by adsorption in solids
  • B01D53/047 - Pressure swing adsorption
  • B01D53/0473 - Rapid pressure swing adsorption
  • B01D2253/108 - Zeolites
  • B01D2253/304 - Linear dimensions
  • B01D2256/12 - Oxygen
  • B01D2257/102 - Nitrogen
  • B01D2259/40015 - with two sub-steps
  • B01D2259/40016 - with three sub-steps
  • B01D2259/4003 - with two sub-steps
  • B01D2259/40032 - with three sub-steps
  • B01D2259/40033 - with more than three sub-steps
  • B01D2259/40041 - with more than three sub-steps
  • B01D2259/40052 - Recycled product or process gas
  • B01D2259/40066 - Six
  • B01D2259/40069 - Eight
  • B01D2259/40081 - Counter-current
  • B01D2259/403 - using three beds
  • B01D2259/404 - using four beds

• US Classifications

  • 095 - Gas separation: processes