Method and compositions for protecting anerobic microorganisms
CA 1308636 C · Owner: Armenta, Richard D. · Inventors: Ullman, Edwin F.; Armenta, Richard D.; Gibbons, Ian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method is disclosed for reducing the oxygen content of a medium in which are present cells usually, anaerobic microorganisms, to extend the time during which the cells remain viable. The method comprises having in fluid contact with the aqueous medium an effective amount of an oxidase and substrate for the oxidase. The oxidase and substrate for the oxidase in an aqueous medium can be in fluid, e.g. air, contact with a separately contained aqueous medium in which the cells are present. Alternatively the cells can be present in the same, aqueous medium as the oxidase and substrate for the oxidase. The aqueous medium containing the oxidase and the substrate for the oxidase can further …
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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 October 13, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 13, 2009.
- 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.