Determination of hdl in whole blood
CA 2029774 A1 · Owner: Abbott Laboratories · Inventors: Mcgowan, Michael W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for separating HDL from whole blood anticoagulated with EDTA is disclosed. The method includes as a first step, mixing the anticoagulated whole blood with an aqueous solution composed of magnesium ++ cations and dextran sulfate 500 in such proportions and of such concentration (a) that substantially all of the LDL and VLDL lipoproteins and substantially all of the chylomicrons are precipitated while, (b) substantially all of the HDL remains in solution. The method also includes the step of sedimenting the precipitated lipoproteins, the chylomicrons and the red blood cells by centrifuging, which can be low gravity centrifuging and can include the step of determining the cholesterol …
Read the whole patent
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 13, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 13, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 13, 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.