Patent Yard Sign in
Expired Canadian patentCanada

Process for regenerating a solid reactant

CA 1052761 A · Owner: Chevron Research And Technology Company · Inventors: Gibson, Kirk R.; Jacobson, Robert L.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A process is disclosed for regenerating a solid reactant comprising a metal or metal compound disposed on a porous support which has been expended by reaction with hydrogen sulfide comprising the steps: (1) contacting the expended solid reactant with dilute oxygen in an inert diluent gas at a temperature in the range of from 200 to 425°F. (2) contacting the solid material from step (1) with a reducing gas at a temperature in the range of 300 to 500°F. and, (3) heating the solid material resulting from (2) to a temperature in the range of from 450 to 600°F. in an inert atmosphere.

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 April 17, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 17, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedApril 17, 1979
Term endedApril 17, 1996
Patent numberCA 1052761 A
Classification (IPC)B01J23/94 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedApril 17, 1979Term endedApril 17, 1996

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.