Patent Yard Sign in
Canadian application, no grantCanada

Compound oxide catalyst carrier, method of producing the same and method of treating heavy oil with the same

CA 2069225 A1 · Owner: Idemitsu Kosan Co. Ltd. · Inventors: Toshio, Itoh

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 compound oxide catalyst carrier which comprises a silica-alumina or a titania-alumina and has a relative standard deviation of peak intensity of aluminum ranging from 0.100 to 0.170, as measured by scanning a cross section of a particle of the compound oxide catalyst carrier with an EPMA in a scan-line direction along a diameter-line or an approximate diameter-line of the cross section, has a moderately uniform aluminum concentration distribution in solid particles a moderate acidity and therefore, is suitable for use as a catalyst carrier requiring attrition resistance and ability of inhibiting generation of coke or excessive cracking such as a carrier, of catalysts for production of …

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

  • Filed May 22, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 22, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 22, 2014.
  • 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 22, 1992
GrantedNo grant recorded
Term endedMay 22, 2012
Patent numberCA 2069225 A1
Classification (IPC)B01J32/00 +2 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedMay 22, 1992Term endedMay 22, 2012

Sources & verification

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