Method for protein expression analysis
CA 2471346 A1 · Owner: James, Peter · Inventors: James, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is a method for analysis of at least peptides comprising extracting proteins from at least one set of cells; digesting the extracted proteins; derivatising the protein fragment mixture with an isotopically labelled reagent molecule; separating the protein fragment mixture by multidimensional chromatography; and analysing the protein fragment mixture by mass spectroscopy (MS) in parent ion or neutral loss scanning mode thereby , detecting or measuring the amounts of the labelled protein fragments. In a preferred embodiment, two sets of cells are combined in the method in order to compare the expression levels of two different states. Moreover the invention , …
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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 December 16, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 16, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 16, 2024.
- 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.