Methods and reagents for improved selection of biological materials
CA 2493367 C · Owner: Mcgann, Pauline · Inventors: Ciocci, Michael; Musick, Mike; Russell, Thomas R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Methods, apparatus and compositions for separating a desired or undesired population or subpopulation from a biological sample are disclosed herein. The selection procedure is based on ferromagnetic dense particles in a preferred , size range from about 0.8 to about 1.2 microns. Specific binding agents are bound to the particles that recognize and bind to specific molecules on the targeted population or subpopulation, and the particles are mixed with the sample in such a way as to promote movement of the particles relative to the sample, promoting binding to the targeted population or subpopulation without non-specifically binding to non-targeted populations in the sample. Because of …
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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 July 23, 2003 and granted November 20, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 23, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 23, 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
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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.