Improved interface patch clamping
CA 2404136 A1 · Owner: Xention Discovery Limited · Inventors: Piotrowski, Voi; Owen, David Geraint; Norwood, James Henry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel development of the conventional patch clamp technique for measurement of whole cell electrical activity provides for cells to be suspended in a liquid medium at a liquid/air interface (by virtue of the effect of surface tension at the interface) whereby cells are accessible at the interface to a microstructure electrode (such as a pipette tip (3)) to which a cell can attach to form an electrical seal, for the purpose of whole cell voltage clamp recording. The electrode forms a high resistance electrical seal with a cell suspended at the interface without the need to press the cell against a solid support surface. The step of bringing the electrode into contact with 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
- Filed March 21, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 21, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 21, 2023.
- 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.