Method and apparatus for portable product authentication
CA 2406167 A1 · Owner: Selinfreund, Richard H. · Inventors: Vig, Rakesh; Selinfreund, Richard H.; Aubrecht, Sarka
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for on-site verification of product authentication and quality includes a microplate (10) having a substrate with a light-sensitive compound thereon. The substrate provides immobilization of the light-sensitive compounds and provides a three-dimensional environment similar to free solution for reactions with the product sample to occur. The microplate may include any material having desired light reflective properties and a surface to retain the light-sensitive compounds therein. A metered amount of lightsensitive compound is placed on the microplate. Once the light-sensitive compound is applied to the substrate, the microplate may be sent to the test site …
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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 April 4, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 4, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 4, 2023.
- 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.