Skin cleanser containing anti-aging active
CA 2404561 A1 · Owner: Aleles, Margaret A. · Inventors: Aleles, Margaret A.; Cole, Curtis A.; Lukenbach, Elvin R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method of simultaneously cleansing the skin and providing an anti-aging skin benefit selected from the group consisting of skin firming, skin contouring reducing the appearance of, sagging skin and skin tightening. The method comprises topically applying a skin cleanser composition comprising: (a) an effective amount of an anti-aging active compound of the formula: (see formula I), wherein X, Y and Z are selected from the group consisting of hydrogen C1-C3 alkyl group, C2-C4 alkanol group wherein at least one of X, Y or Z, is a C2-C4 alkanol group bearing at least one hydroxyl group and optionally at least one carboxyl group; (b) a cleansing surfactant; and (c) …
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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 23, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 23, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 23, 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.