Cosmetic composition based on organic silicon compounds comprising at least a function with cosmetic effect
CA 2385915 A1 · Owner: Jeanne Rose, Valerie · Inventors: Samain, Henri; Jeanne Rose, Valerie; Sanchez, Clement
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a composition comprising in a cosmetically acceptable medium, at least 0.02 wt. % relative to the composition total weight one or several hardly or non-polymerised water soluble organic silicon compounds selected among silanes comprising a silicon atom and siloxanes comprising two silicon atoms said organic silicon compounds comprising per molecule two hydroxyl groups or capable of being hydrolysed and two groups not capable of being hydrolysed at least one of said groups being a group with cosmetic effect and at least one of the remaining functional groups not capable of being hydrolysed being a group with a solubilizing function. The invention is applicable to hair …
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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 27, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 27, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 27, 2021.
- 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.