L-aminoacid oxidase from yeasts of the genus cryptococcus, their preparation and use
CA 1232560 A · Owner: Hoechst Aktiengesellschaft · Inventors: Aretz, Werner; Sauber, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the disclosure:, Yeasts of the genus cryptococcus preferably of, the species C. laurentii form, in the presence of amino-, acids an L-aminoacid oxidase which stereospecifically converts L-aminoacids and their derivatives into the corresponding ?-ketoacids. The immobilized cells are advantageously used for this conversion, which can also be used to resolve racemates.
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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 February 9, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 9, 2005.
- 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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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.