Heaterless adsorption system for combined purification and fractionation of air
CA 1322972 C · Owner: White, Donald H. · Inventors: White, Donald H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A heaterless adsorption apparatus for the purification and fractionation of an air feed in the absence of pretreating the air feed to remove moisture including at least one adsorber column which has at least two adsorption zones, a first zone for the removal of water vapor from the feed and a second zone for the fractionation of the purified air. the column being sized so that the heat of adsorption released during adsorption of water vapor in the first zone is retained in the column, and the second zone sized so as to contain sufficient adsorbent to carry out the fractionation unaffected by the heat front generated by the heat of adsorption released in the first zone and to prevent …
Read the whole patent
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
- Granted October 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 12, 2010.
- 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.