Adsorption process
CA 1302906 C · Owner: Lywood, Warwick J. · Inventors: Davidson, Peter J.; Lywood, Warwick J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, Adsorption Process, A heat and mass exchange pressure and/or thermal swing, adsorption process wherein the adsorbent bed consists of one or more units having substantially parallel passages extending therethrough, each unit having at least 20 passages per cm2 of the cross-sectional area of said unit, the number and cross sectional area of said passages in each unit being such that each unit has a geometric voidage of not more than 0.45. The adsorbent bed may be random packed or may be a close-packed assembly or stack of units with their passages aligned with the direction of flow through the bed.
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 June 9, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 9, 2009.
- 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.