Disposable absorbent article comprising expandable fibres and being capable of self-shaping in use
CA 2251908 A1 · Owner: Procter & Gamble Gmbh · Inventors: Marinelli, Luigi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is a substantially flat disposable absorbent article (20) for wearing adjacent a body discharge area having a longitudinal centerline (0-0) and a lateral centerline (A-A) orthogonal thereto and defining longitudinal , and lateral directions respectively. The disposable absorbent article (20) includes a liquid pervious top sheet (24) a back sheet (26) joined to the top , sheet and an absorbent core (28) intermediate the back sheet and the top sheet. The absorbent core (28) includes a layer of compressed cellulose , based, linear fibers (46) for expanding the article into a tridimensional structure while being worn by a user. The layer (46) of compressed cellulose , based, …
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 April 28, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 28, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 28, 2019.
- 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.