Cosmetic method
CA 2376817 A1 · Owner: The Procter & Gamble Company · Inventors: Evans, Erica Louise; Vanoosthuyze, Kristina Emma Inge
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
According to the present invention there is provided a cosmetic method comprising: (i) applying to the skin a composition comprising: (a) at least one quaternary ammonium agent; and (b) humectant; (ii) rinsing the skin. The methods of the present invention give good skin care benefits such as good , moisturisation, good hydration good skin feel, good skin softness and/or good skin smoothness, with low levels of negatives such as greasiness stickiness , or tack.
Read the whole patent
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 June 27, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 27, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 27, 2022.
- 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.