Solid acid catalyat, method for preparing the same and method for hydrogenation isomerization
CA 2411970 A1 · Owner: Kawakami, Takahito · Inventors: Kimura, Takao; Kawakami, Takahito; Baba, Koji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for preparing an acid catalyst which comprises a step of adding a , quasi-Boehmite as a binder to a hydroxide of zirconium having been subjected to a sulfation treatment and kneading the resultant product with an aqueous solution containing one or more of the metals belonging to Group VIII or a , step of preparing a one or more of the metals belonging to Group VIII carried on a hydroxide of zirconium having been subjected to a sulfation treatment adding a quasi-Boehmite as a binder and kneading the resultant product with water, followed by molding and firing at a temperature of 550 to 800 ~ C; a solid acid catalyst prepared by said method; and a method for …
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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 January 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 18, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 18, 2024.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.