An absorbent article
CA 2126348 A1 · Owner: Sca Hygiene Products Ab · Inventors: Bohm, Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to an absorbent product such as a , sanitary napkin, a diaper, an incontinence guard or the like comprising an absorbent body (1) enclosed between a liquid-impermeable bottom layer (3) and at least one liquid-permeable top layer (4) consisting of a net, a perforated film or a non-woven material. The purpose of the invention is to provide a product which combines the good re-wetting properties of the materials with an increased smoothness and comfort, and this has been solved by virtue of the fact that the liquid-permeable layer (4) terminates somewhat inside the longitudinal lateral edges of the product and that the longitudinal lateral edges of the top …
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 29, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 29, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 29, 2014.
- 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.