Patent Yard Sign in
Expired Canadian patentCanada

Process for the preparation of a catalytically active metal silicate

CA 1195312 A · Owner: Shell Canada Limited · Inventors: Heinerman, Jacobus J.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

The activity of nickel synthetic mica-montmorillonite (Ni-SMM) for hydrocarbon conversions (e.g. cracking and isomerization) is improved by an after-treatment with a releasable active halogen other than fluorine preferably with, hydrochloric acid. Preferably the catalyst contains palladium.

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 October 15, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 6, 1983
GrantedOctober 15, 1985
Term endedOctober 15, 2002
Patent numberCA 1195312 A
Classification (IPC)B01J29/06 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedApril 6, 1983Patent grantedOct 15, 1985Term endedOct 15, 2002

Sources & verification

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