Personal care articles comprising cationic polymer coacervate compositions
CA 2391032 A1 · Owner: Beerse, Peter William · Inventors: Smith, Edward Dewey Iii; Beerse, Peter William
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a substantially dry disposable personal care , article comprising: (a) a water insoluble substrate comprising a nonwoven layer; and (b) a therapeutic benefit component disposed adjacent to said , water insoluble substrate wherein said component comprises from about 10% to about 100%, by weight of the water insoluble substrate of a therapeutic , benefit composition comprising: (c) a safe and effective amount of a cationic; (d) a safe and effective amount of an anionic surfactant; wherein said composition forms a coacervate when said article is exposed to water. These articles have been found to be particularly useful for personal cleansing application, …
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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 November 17, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 17, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 17, 2022.
- 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.