High alkaline hair compositions for increased fullness and body
CA 2318947 A1 · Owner: Clairol Incorporated · Inventors: Rousso, Peter J.; Wallace, Paul S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides compositions for providing body fullness and texture , to otherwise fine or very fine keratinous fibers particularly human hair. The , compositions of the present invention have a high pH e.g. about 8 to about , 10 when the compositions contain cationic polymer and a pH of about 8 to , about 14, preferably about 8.5 to about 13 and more preferably, about 8.5 to , about 10 when the compositions contain no cationic polymer. The compositions include one or more nonionic and/or cationic polymers which, in combination , with the high pH of the composition lift the hair cuticle and allow the , deposition of polymer thus resulting in increased fullness and texture to the …
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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 3, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 3, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 3, 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.