Selective adsorption and recovery of organic gases using ion-exchanged faujasite
CA 1259039 A · Owner: Bp Chemicals Limited · Inventors: Pearce, Graeme K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Selective adsorption and recovery of organic gases using ion-exchanged faujasite, This invention relates to a process for selectively adsorbing and recovering an organic gas containing unsaturated linkages from a mixture of gases over a cuprous ion-exchanged zeolite of the faujasite type. The process is particularly suited for adsorbing gases such as carbon monoxide and ethylene over a zeolite having a silica to alumina molar ratio from 1.5 to 3Ø
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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 September 5, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 5, 2006.
- 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.