Test device and method for measurement of analyte levels in colored aqueous fluids
CA 1205731 A · Owner: Lifescan, Inc. · Inventors: Thompson, Richard P.; Phillips, Roger C.; Mcgarraugh, Geoffrey V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A test device of use in the diffuse reflectance colorimetric determination of analytes in colored aqueous fluids and its use in such determinations is disclosed. The test device comprises a diffuse reflective backing to which is affixed a thin translucent hydrophilic pad which contains reagents which react with the analyte being determined. The device finds preferred application in the measurement of sugars in fluids, especially glucose in whole blood.
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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 June 10, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 10, 2003.
- 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.