Catalyst for esterification reactions and transesterification reactions, and a method of producing esters
CA 2408450 A1 · Owner: Matsumoto, Satoshi · Inventors: Matsumoto, Satoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An activated titanium catalyst for use in esterification or transesterification which is a gelatinous substance comprising either a mixture of an alkoxytitanium, a water-soluble polyol and water or a product , of the reaction of the mixture wherein the amounts of the water-soluble polyol and water are 1 to 50 mol and 1 to 60 mol respectively, per mol of the , titanium; and a process for producing an ester having a low acid value and a narrow molecular weight distribution by effectively utilizing the excellent ability of the catalyst to catalyze dehydrating esterification and transesterification. The process for producing an ester comprises a first step in which a monohydric alcohol …
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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 May 15, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 15, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 15, 2023.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.