Method of removing hydrogen sulfide from a gas containing carbon dioxide
CA 1069680 A · Owner: Texaco Development Corporation · Inventors: Schievelbein, Vernon H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A GAS CONTAINING CARBON DIOXIDE (D#73,028-Cl-FB), ABSTRACT OF THE DISCLOSURE A process wherein hydrogen sulfide present in a gas mixture comprising hydrogen sulfide and carbon dioxide is preferentially removed from the gas stream into an aqueous solution where the hydrogen sulfide is oxidized. The aqueous solution has dissolved therein either bicarbonate ions or bicarbonate ions with transition metal ions, and oxygen. -I-
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 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 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.