Process for producing a metal aluminate catalyst support
CA 2384562 A1 · Owner: Phillips Petroleum Company · Inventors: Johnson, Marvin M.; Tiedtke, Darin B.; Cheung, Tin-Tack Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process of making a metal aluminate catalyst support by incorporating preferably impregnating, alumina, preferably gamma alumina with a metal , component to thereby provide a metal-incorporated alumina which is then calcined under a calcining condition to thereby provide a metal aluminate catalyst support. Such calcining condition includes a temperature in the range of from about 600 ~C to about 1350 ~C. Preferably the metal component has been melted under a melting condition to thereby provide a melted metal component.
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 September 14, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 14, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 14, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.