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Canadian application, no grantCanada

Catalytic reforming catalyst activation

CA 2369164 A1 · Owner: Lin, Fan-Nan · Inventors: Macahan, Donald H.; Lin, Fan-Nan

CIPO record

Overview

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

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Abstract From the Canadian patent

Catalyst activation of a platinum reforming catalyst system contained in a multiple reactor system by simultaneously reducing the catalyst with a sustained hydrogen flow through the multiple reactor system while introducing a nonmetallic chlorine-containing compound serially into each reactor of the multiple reactor system in an amount to provide from about 0.05 to about 0.3 weight percent chlorine on the catalyst and thereafter purging the system with about 100 to about 50,000 cubic feet of hydrogen per cubic foot of catalyst prior to commencing use of the treated catalyst system for reforming hydrocarbon feed.

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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

  • Filed June 27, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 27, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 27, 2022.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 27, 2000
GrantedNo grant recorded
Term endedJune 27, 2020
Patent numberCA 2369164 A1
Classification (IPC)B01J20/34 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedJune 27, 2000Term endedJune 27, 2020

Sources & verification

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