Vesicle dispersion and cosmetic containing the same
CA 2491725 A1 · Owner: Fujiwara, Yukako · Inventors: Fujiwara, Yukako
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vesicle dispersion comprised of at least a sucrose fatty acid ester (A) sphingosine and/or a derivative thereof (B) and a water base component (C); and a cosmetic comprising the vesicle dispersion. This vesicle dispersion enables stably containing sphingosines such as ceramides which are exellent in the moisture retention effect for skin. The cosmetic obtained by mixing the vesicle dispersion thereinto is excellent in moisture retention effect storage stability, etc.
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 July 4, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 4, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 4, 2025.
- 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.