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Expired Canadian patentCanada

Methods and apparatus for improved control of psa flow variations

CA 2810324 C · Owner: Lummus Technology Inc. · Inventors: Lomax, Franklin D. Jr.; Lettow, John S.

CIPO record

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Abstract From the Canadian patent

A pressure swing adsorption system and a pressure swing adsorption process are provided. The , system includes a plurality of vessels and a throttling assembly disposed in a fluid path between , at least two of the vessels. The vessels each contain an adsorbent mass configured to separate a , gas mixture by absorbing at least one gas component in the adsorbent mass. The throttling , assembly includes at least two throttling orifices configured to regulate fluid flow between the at , least two vessels. The system is configured to separate the gas mixture using at least two , independent pressure swing adsorption cycles each of the cycles being , performed in respective sets of vessels …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed January 12, 2006 and granted August 26, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 12, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 12, 2006
GrantedAugust 26, 2014
Term endedJanuary 12, 2026
Patent numberCA 2810324 C
Classification (IPC)B01D53/04

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 12, 2006Patent grantedAug 26, 2014Term endedJan 12, 2026

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.