Eutectic mixtures in cosmetic compositions
CA 2377880 A1 · Owner: Rossi, Mose · Inventors: Derosa, Mario; Rossi, Mose
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a liquid substantially anhydrous eutectic , mixture comprising a principal acid component such as a hydroxy acid, and at , least one other component selected from the group consisting of a carbohydrate, a polyol, an amino acid, and a carboxylic acid. The mixtures remain liquid at room temperature, are relatively non-irritating and can be , used to deliver higher levels of the principal acid than would ordinarily be possible. The invention also provides a method of making such a mixture comprising heating the component having the lowest melting point to the temperature at which it melts, dissolving the remaining component or components in the melted …
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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 16, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 16, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 16, 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.