Stable oral care compositions comprising chlorite
CA 2456341 A1 · Owner: Clymer, Paula Denise · Inventors: Grimm, James Carl; Clymer, Paula Denise; Johnson, Christine Lula
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Stable topical oral compositions comprising at least a minimally effective amount of chlorite ion are disclosed, wherein the pH of the final composition is greater than 7, the composition is essentially free of chlorine dioxide and the composition is stable against loss of chlorite for a period of at least one year under normal storage conditions at about 25~C or for a period of 3 months under accelerated storage conditions at about 40 ~C. Preferably the compositions further comprise a flavor system which is stable against , degradation by chlorite. The compositions are formulated as therapeutic rinses, especially mouth rinses, as well as toothpastes gels, tooth powders, chewing gums, …
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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 September 6, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 6, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 6, 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.
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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.