A method of and apparatus for screening to identify drug candidates
CA 2488939 A1 · Owner: Wong, Lid B. · Inventors: Wong, Lid B.; Chandra, Tarun; Mao, Hua
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An apparatus is disclosed for screening a compound by monitoring its interactions with a specimen having fluorophore loaded target cells. One embodiment comprises an optical illumination unit comprising a light source wherein light from the light source is directed to illuminate the specimen; a fluorescence discrimination unit which is coupled to receive emitted light from the specimen and separate at least three emitted wavelengths of light from said emitted light; and a fluorescence detection unit which is coupled to the fluorescence discrimination unit counts photons emitted by the wavelengths of emitted light. A second embodiment comprises a two-dimensional acoustooptical …
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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 June 11, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 11, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 11, 2025.
- 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.