Purification of natural gas streams containing oxygen
CA 1069063 A · Owner: Union Carbide Corporation · Inventors: Anderson, Richard A.; Davis, Karl G.; Holmes, Ervine S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Hydrocarbon gas streams containing small quantities of molecular oxygen are found to adversely affect the adsorptive characteristics of zeolite adsorbent beds at temperatures above 350°F. Problem is avoided by converting the oxygen to readily sorbable compounds prior to contacting the bed with the gas stream. -1-
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 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.
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.