Method for the purification of cholesterol oxidase
CA 1182412 A · Owner: Eastman Kodak Company · Inventors: Goodhue, Charles T.; Snoke, Roy E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A method for the purification and recovery of cholesterol oxidase is disclosed. Cholesterol oxidase is purified by a method including the steps of:, (a) contacting a solution of the cholesterol oxidase to be purified with a chromatography composition comprising an unbound water-insoluble steroid which is a nonsubstrate for cholesterol oxidase so as to adsorb the cholesterol oxidase on the steroid;, (b) separating the solution from the steroid; and (c) contacting the steroid with an eluting solution contacting a surfactant at a concentration between 0.001 per cent and 10 per cent so as to recover the adsorbed cholesterol oxidase. In a preferred embodiment the …
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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 12, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 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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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.