Patent Yard Sign in
Expired Canadian patentCanada

Catalytic oxidation of propylene to allyl acetate

CA 1237146 A · Owner: Sun Refining And Marketing Company · Inventors: Lyons, James E.; Suld, George

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

Propylene is oxidized directly to alllyl acetate in the presence of acetic acid with air or oxygen in the liquid phase under moderate reaction conditions employing a palladium-on-carbon catalyst which has been pre-treated by activating it with propylene at temperatures of from 60 to 150°C for at least 10 to 120 minutes in the substantial absence of oxygen.

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 May 24, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2005.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 13, 1984
GrantedMay 24, 1988
Term endedMay 24, 2005
Patent numberCA 1237146 A
Classification (IPC)C07C69/15 +1 more

Timeline

Timeline From CIPO dates

1985198819911994199720002003Application filedNov 13, 1984Patent grantedMay 24, 1988Term endedMay 24, 2005

Sources & verification

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