Hair conditioning composition comprising hydrophobically modified cellulose ether
CA 2379651 A1 · Owner: Tsukikawa, Tota · Inventors: Tsukikawa, Tota; Yang, Jian-Zhong; Venkateswaran, Ananthanarayan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a hair conditioning composition comprising by weight: (a) from about 0.001 % to about 2 % of a hydrophobically modified cellulose ether comprising a hydrophilic cellulose backbone and a hydrophobic substitution group; the hydrophilic cellulose backbone being water soluble and selected from the group consisting of methyl cellulose hydroxymethyl cellulose, hydroxyethyl cellulose hydroxyethyl ethylcellulose, hydroxypropyl cellulose hydroxypropyl methylcellulose, hydroxybutyl cellulose and mixtures thereof; , and having grafted thereto the hydrophobic substitution group to render the hydrophobically modified cellulose ether to have less than 1 % water solubility, 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 July 28, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 28, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 28, 2022.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.