One-step synthesis of methyl t-butyl ether from t-butanol using zeolite beta and multimetal-modified zeolite beta catalysts
CA 2086878 A1 · Owner: Texaco Chemical Inc. · Inventors: Dai, Pei-Shing E.; Knifton, John F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
ONE-STEP SYNTHESIS OF METHYL t-BUTYL ETHER FROM t-BUTANOL USING ZEOLITE BETA AND MULTIMETAL-MODIFIED ZEOLITE BETA CATALYSTS (D#81,221-F), ABSTRACT OF THE DISCLOSURE Disclosed is an improved process for preparing methyl t-butyl ether in one step which comprises reacting tertiary butanol and methanol in the presence of a catalyst selected from zeolite beta and multimetal modified zeolite beta with a metal selected from the group consisting of Groups IB VB, VIB, VIIB or, VIII of the Periodic Table at a temperature of about 20°C to 250°C and atmospheric pressure to about 1000 psig wherein when, the temperature is in the operating range above about 140°C the, product comprises a two-phase mix of …
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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 7, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 7, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 7, 2015.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.