Patent Yard Sign in
Expired Canadian patentCanada

Magnetic separation of high activity catalyst from low activity catalyst

CA 1210357 A · Owner: Ashland Oil, Inc. · Inventors: Benslay, Roger M.; Hettinger, William P. Jr.

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 for economically converting carbo-metallic oils to lighter products. The carbo-metallic oils contain 650° F plus material which is characterized by a carbon residue on pyrolysis of at least about 1 and a Nickel Equivalent of heavy metals content of at least about 4 parts per million. This process comprises flowing the carbo-metallic oil together with particulate cracking catalyst through a progressive flow type reactor having an elongated reaction chamber which is, at least in part vertical or inclined for a predetermined, vapor riser residence time in the range of about 0.5 to about 10 seconds, at a temperature of about 900 to about 1400° F and under a pressure of about 10 to …

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 August 26, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 26, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 13, 1982
GrantedAugust 26, 1986
Term endedAugust 26, 2003
Patent numberCA 1210357 A
Classification (IPC)C10G11/18

Timeline

Timeline From CIPO dates

1983198619891992199519982001Application filedMay 13, 1982Patent grantedAug 26, 1986Term endedAug 26, 2003

Sources & verification

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