Fast cycle psa with adsorbents sensitive to atmospheric humidity
CA 2329475 A1 · Owner: Roy, Surajit · Inventors: Gibbs, Andrea; Babicki, Matthew; Roy, Surajit
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed embodiments address contaminant management particularly water, management, challenges that arise during production of desirably contaminant free product, fluid in the operation of PSA equipment particularly challenges that arise , under intermittent operation of PSA equipment. One disclosed embodiment of a PSA apparatus includes a, breather fluidly coupled to a feed end of an adsorber with a contaminantsensitive adsorbent. The breather can be coupled to the feed end through a shutoff valve closed during, production and open during shutdown. Other disclosed embodiments of the PSA apparatus, used particular sealing strategies for additional sealing of the apparatus or …
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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 December 11, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 11, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 11, 2022.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.