Absorbent article
CA 2313046 A1 · Owner: Hansson, Roy · Inventors: Roxendal, Sofia; Hansson, Roy; Ronnberg, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Absorbent article, such as a diaper, pant diaper incontinence guard, sanitary , napkin, wound dressing and the like comprising a layer of continuous fibres so-called tow, which have been bonded together in points lines or spots in a , bonding pattern (10) but otherwise are substantially unbonded to each other wherein the bonding pattern (10) is different in different portions of said layer (5). The layer can either be utilized as a liquid acquisition layer (5) in the article underneath a topsheet (2) as a topsheet (12), or as a combined , topsheet and liquid acquisition layer (22).
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 October 7, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 7, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 7, 2020.
- 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.