Method and composition to impart improved conditioning properties to the hair
CA 2019816 A1 · Owner: Noe, Jeremy E. · Inventors: Noe, Jeremy E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A method of imparting improved conditioning properties to hair comprising treating the hair with a composition comprising a water-soluble quaternary ammonium compound, such as cetrimonium chloride; an oil-soluble, water-dispersible quaternary ammonium compound, such as distearyldimonium chloride; an acidneutralized amidoamine compound, wherein an amidoamine having the general formula:, or , wherein R1 is a fatty acid chain containing from about 11 to about 21 carbon atoms, R2 is an alkylene group containing from two to about four carbon atoms R3 is, hydrogen, methyl, ethyl or a hydroxyalkylene group containing from one to about three carbon atoms R4, is methyl, …
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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 June 26, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 26, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 26, 2012.
- 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.