Tridimensional disposable absorbent article with an absorbent core having improved fluid handling properties
CA 2355933 A1 · Owner: The Procter & Gamble Company · Inventors: Wierlacher, Stefan Alois; Sierri, Giancarlo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A disposable absorbent article adapted to form a tridimensional shape prior to use with a generally upwardly convex rear region having a body facing surface , and a garment facing surface a longitudinal symmetry plane, a front end edge and a rear end edge, and comprising a liquid pervious topsheet a backsheet , joined to said topsheet and an absorbent core intermediate the backsheet and the topsheet. The absorbent core has an improved fluid handling capability in order to increase fluid acquisition and distribution while preventing side , leakage at the same time.
Read the whole patent
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 December 21, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 21, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 21, 2021.
- 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.