Method for separating the cellular components of blood samples
CA 1306680 C · Owner: Becton, Dickinson And Company · Inventors: Smith, Ward C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An assembly for separating lymphocytes and monocytes from granulocytes in a sample of unseparated whole blood. A water insoluble, thixotropic gel-like substance which is, chemically inert to blood constituents is provided in a container. A fluid capable of altering blood cell densities and diameters is positioned above the surface of the waterinsoluble thixotropic gel-like substance. Means for preventing the absorption of water by the thixotropic gellike substance from the fluid and/or the sample of unseparated whole blood prior to separation are provided to substantially eliminate the influence of water absorption on the cell separation performance characteristics of said thixotropic …
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
- Granted August 25, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 2009.
- 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.