Processes for the hydrolysis of alkylene oxides using organometalates
CA 1263874 C · Owner: Keen, Brian Terry · Inventors: Keen, Brian Terry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure In processes for the hydrolysis of alkylene oxide to form alkylene glycols in the presence of selectivity-enhancing organometalate wherein the organometalate is provided in a water-insoluble phase, a stabilizing material is used to enhance the stability of the organometalate. The stabilizing material is water-soluble and comprises a cation and a selectivity-enhancing metalate anion.
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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 December 12, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 12, 2006.
- 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.