Absorbent member with high density absorbent wicking strips
CA 2192172 C · Owner: The Procter & Gamble Company · Inventors: Ahr, Nicholas Albert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
According to the present invention, an absorbent member for use in an absorbent core is provided which efficiently acquires and distributes body fluid throughout its entire structure and which maintains open acquisition area for repeated insults of body fluid. The absorbent member comprises an absorbent medium including a low density fibrous material and higher density absorbent strips distributed throughout the absorbent medium. The absorbent strips may be randomly distributed or distributed in a pattern and can be comprised of any paper, tissue or nonwoven or a laminate of paper and superabsorbents. Further the present invention relates to absorbent articles such, as diapers, sanitary …
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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 9, 1995 and granted October 31, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 9, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 9, 2017.
- 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.