Absorbent articles with distribution materials positioned underneath storage material
CA 2329787 A1 · Owner: Lavon, Gary Dean · Inventors: Arndt, Silke; Lavon, Gary Dean; Ehrnsperger, Bruno Johannes
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 article such as for use in , hygienic applications which has an ultimate fluid storage region and a fluid , distribution region positioned between the ultimate storage region and the garment oriented surface of the article which is in fluid communication with , the ultimate fluid storage region whereby the ultimate fluid storage region comprises material which has (1) a Capillary Sorption Desorption Capacity at 100 cm (CSDC 100) of at least 10 g/g; which further has (2) a Capillary Sorption Desorption Capacity at 0 cm (CSDC 0) higher than said CSDC 100 and which thereby has (3) a Loosely Bound Liquid Capacity (LBLC) as the difference …
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 23, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 23, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 23, 2021.
- 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.