Titanium-, zirconium- and/or hafnium-containing zeolites, a process for their preparation, and their use
CA 1206460 A · Owner: Clariant Gmbh · Inventors: Leupold, Ernst I.; Baltes, Herbert; Litterer, Heinz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to titaniumzirconium-, and/or hafnium-containing zeolites to a process for their, preparation, and to their use. They are prepared by mixing, for example, titanium, zirconium and/or hafnium compounds with aluminum, silicon, sodium and potassium compounds and water as well as an organic ammonium compound in specified mixing ratios and heating the mixture in a sealed vessel. The zeolites are used as catalysts in the preparation of C2-C4-olefins from methanol.
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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
- Granted June 24, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 24, 2003.
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Timeline
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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.