Method of separating bacteria from a bacteria containing liquid sample and a gradient separation component
CA 2050325 A1 · Owner: A/S Foss Electric Holding · Inventors: Flemming, Kaereby
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a method of separating bacteria from a bacteria containing liquid sample, a dish-like centrifuge container (21) having an upper opening (25) defined by a radially inwardly extending rim portion (24) is employed. A volume of a gradient separation component of a density approximately identical to the average density of the bacteria is introduced into the centrifuge container which the , centrifuge container is rotating so that a separation layer (60), is formed within the centrifuge container (21). The liquid sample is introduced into the centre of the centrifuge container at a fairly high discharge rate. The liquid is thrown outwardly from the centre of the centrifuge container and into …
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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 February 22, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 22, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 22, 2012.
- 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.