Method for the manufacture of antimicrobial articles
CA 2338100 A1 · Owner: Lyon, Keith R. · Inventors: Rock, Michael M. Jr.; Lyon, Keith R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for making an antimicrobial article is described the method , comprising: providing a substrate; forming a solution comprising a chelating polymer and a metal ion; depositing the solution on the substrate; drying the substrate to form a coated substrate; and adding a potentiator to the coated substrate to form the antimicrobial article. Forming of the solution comprises (A) selecting a chelating polymer from the group consisting of polyglucosamines, ethylene acrylic acid copolymers polycarboxylic acids, and , polyamines (B) dissolving the chelating polymer in acid to form an acidic solution, (C) preparing an aqueous solution of the metal ion preferably by , selecting a salt …
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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 January 29, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 29, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 29, 2021.
- 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.