Wet-like cleaning articles
CA 2298622 A1 · Owner: The Procter & Gamble Company · Inventors: Gordon, Gregory Charles; Mackey, Larry Neil; Enright, Nancy Kim
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are articles useful in cleansing and particularly wet-like , cleansing wipes and toilet tissue. These articles are essentially dry to the touch prior to use, but deliver liquid when subjected to in-use shear and compressive forces. In one aspect, the articles of the present invention comprise a carrier and an emulsion applied to the carrier the emulsion , comprising a continuous external nonpolar phase and an internal polar phase dispersed in the external nonpolar phase wherein the article is capable of , retaining fluid prior to use. In another aspect the emulsion-treated articles , exhibit improved ability to release fluid when subjected to in-use pressures. The articles of …
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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 20, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 20, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 20, 2020.
- 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.