Product for chemical measurement of blood and method for producing same
CA 1313486 C · Owner: Hendershot, Ricky G. · Inventors: Burgess, Bruce M.; Hendershot, Ricky G.; Enzer, Steven E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flexible gas-impermeable package containing a blood facsimile reference solution for use in blood gas electrolyte analysis comprises ionic potassium and calcium, tonometered at elevated temperature with oxygen and carbon dioxide. The package content is free of voids. The solution is produced by constituting an aqueous buffered solution containing ionic potassium at a predetermined concentration and subjecting the solution to tonometry with said gases. Following start of tonometry ionic calcium is, admixed in a predetermined amount with the tonometered solution. During the packaging process the solution is maintained at subatmospheric pressure ranging from 625 to about 700 mm Hg and at a …
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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
- Granted February 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 9, 2010.
- 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.