Titanium-containing zeolites, a process for their preparation and their use
CA 1195675 A · Owner: Hoechst Aktiengesellschaft · Inventors: Baltes, Herbert; Litterer, Heinz; Leupold, Ernst I.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to titanium-containing zeolites, a process for their preparation and their use. To prepare these compounds a mixture of silicon compounds, aluminum compounds sodium compounds, potassium compounds, choline compounds water and titanium compounds in specified proportions is prepared, and this mixture is heated in a closed vessel. The zeolites are used as catalysts in the preparation of C2-C4-olefines 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 October 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 22, 2002.
- 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
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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.