Disposable absorbent article having incisions in the absorbent structure and being capable of self-shaping in use
CA 2252097 A1 · Owner: Carlucci, Giovanni · Inventors: Tamburro, Maurizio; Carlucci, Giovanni; Giorgini, Gennaro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is a disposable absorbent article (20) which is substantially flat prior to use for wearing adjacent a body discharge area having a body facing surface and a garment facing surface. The disposable absorbent article (20) includes a liquid pervious topsheet (24) a backsheet (26), and an , absorbent core (28) intermediate the topsheet and the backsheet. The absorbent core (28) has a body facing surface and a garment facing surface and includes , an expanding layer (46) for expanding the article into a tridimensional structure while being worn by a user. The expanding layer (46) is activated by body fluids, and includes incisions (48) on its body facing surface and/or on , …
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.