Method and materials for determining particle count in a flow cytometer
CA 2129535 A1 · Owner: Hamelik, Ronald M. · Inventors: Hamelik, Ronald M.; Wood, James C. S.; Shenkin, Mark L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method is provided to ascertain the total number of cells per unit volume of a cell specimen in an apparatus which does not measure the volume of a suspension containing the specimen as it is being analyzed. The method comprising mixing a suspension of a known quantity of particles having a first light scatter signal with a known volume of a cell specimen having a second light scatter signal different from the first signal to obtain a suspension having a concentration of particles per specimen volume, passing each of said particles and each cell in said cell specimen in turn, through, a light beam, each of said particles and cells producing at least one forward light scattering pattern …
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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 11, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 11, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 11, 2015.
- 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.