Antimicrobial and antifungal powders made by flame spray pyrolysis
CA 2597345 C · Owner: Pratsinis, Sotiris E. · Inventors: Pratsinis, Sotiris E.; Height, Murray
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A flame spray pyrolysis method for producing a doped silica(SiO2) having antimicrobial and/or antibacterial and/or antifungal effect and being in the form of particles is disclosed. Said flame made doped silica comprises at least one functional dopant consisting of at least one antimicrobial and/or antibacterial and/or antifungal acting metal and/or metal-oxide and is , produced starting from a precursor solution comprising at least one functional dopant precursor, in particular a silver and/or copper comprising precursor and at least one silica precursor in an organic solvent. Such doped silica is suitable for being incorporated within e.g. polymeric materials or for being used as …
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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 February 9, 2006 and granted December 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 9, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.