Air separation by adsorption
CA 1069062 A · Owner: Union Carbide Corporation · Inventors: Collins, John J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Invention In an adiabatic pressure swing process for air separation by selective adsorption in at least two zeolitic molecular sieve beds in which air is introduced at below 90°F, the coldest gas temperature in the inlet end is 35°F and the .DELTA.T at lea3t 15°F the inlet end is, heated to maintain the gas at maximum of at least 20°F warmer than without heating, but below 175°F. -1-
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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
- Granted January 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 1, 1997.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.