Recoverable enzyme sensor with replaceable membrane system
CA 2002170 A1 · Owner: Macholan, Lumir · Inventors: Krejci, Jan; Macholan, Lumir
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A recoverable enzyme sensor with replaceable membrane system. The object is to provide for such a design arrangement of the sensor enabling enzyme replacement in the enzyme membrane of the membrane system for assay of glucose lactate and other substances. This goal is achieved by an enzyme sensor the principle of which bears on the fact that it is created by the body of corund ceramics in the shape of a cylinder being terminated with a truncated taper in which a reservoir is created in the shape of cylinder with the base of circular ring inside of which both current electrode made of porous metal and electrolyte e.g. potassium chloride are arranged at the same time, in the cross-section …
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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 November 3, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 3, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 3, 2011.
- 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
Timeline From CIPO dates
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.