Multi-functional tissue for absorbent article
CA 2492436 A1 · Owner: Paragon Trade Brands, Inc. · Inventors: Litvay, John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates generally to an absorbent multi-layer material or to a core for an absorbent article, and more particularly to an absorbent multi-layer material or to a core comprising a central absorbent layer positioned between an upper layer and a lower layer wherein at least of the , upper and/or lower layer(s) has a vertical wicking index of greater than about 6 cm after 19 minutes and/or greater than about 3 cm after 1 minute. Such a multi-layer material or multi-layer core provides improved strength absorption and rewetting properties. An absorbent article that contains such a multi-layer material or core provides improved ability to absorb and retain fluids and …
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 August 4, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 4, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 4, 2025.
- 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.