Aqueous antiseptic composition comprising an antimicrobial agent, a high concentration of a hydroxycarboxylic acid buffer, and a cationic film-forming polymer
CA 2472564 A1 · Owner: Scholz, Matthew T. · Inventors: Wang, Danli; Lu, Triet M.; Scholz, Matthew T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Antiseptic compositions, as well as methods of making and using wherein the , compositions include: an antimicrobial agent selected from the group consisting of iodine (I2), an iodophor and a combination thereof, wherein the antimicrobial agent is present in an amount sufficient to provide an available iodine concentration of at least about 0.25 wt-%; a hydroxycarboxylic acid buffer in an amount of at least about 5 wt-%; water; and an optionally substantive film-forming polymer.
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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 November 18, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 18, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 18, 2024.
- 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.