Dispersible absorbent products and methods of manufacture and use
CA 2403485 A1 · Owner: Midkiff, Mark Dawson · Inventors: Horney, James Cameron; Midkiff, Mark Dawson
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Provided are highly dispersible absorbent products comprising an absorbent , structure and preferably a water soluble barrier layer wherein the absorbent , products have a high rate of dispersibility can exhibit low residual by-, product in urinals upon flushing resist strikethrough of absorbed fluid onto the hand of the user, and can absorb a sufficient amount of fluid without becoming overloaded or leaking. In one embodiment provided is a ring rolled , cellulosic sheet having a water soluble polymeric film laminated thereto. Also provided is a method of making such dispersible absorbent products comprising mechanically weakening an absorbent structure. Also provided are packaged …
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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 April 20, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 20, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 20, 2023.
- 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.