Absorbent article having improved adhesive system to provide flexibility and breathability
CA 2378596 A1 · Owner: Berg, Charles John Jr. · Inventors: Hamilton, Peter Worthington; Berg, Charles John Jr.; Pollard, Ricky Alan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An absorbent article, such as a diaper a sanitary napkin, a panty liner, an , adult incontinence device a bandage, or the like is provided which has: a) a liquid pervious topsheet defining a body-facing side of the absorbent article; b) a liquid impervious backsheet joined to the topsheet and defining a garmentfacing side of the absorbent article; c) an absorbent layer being positioned between the topsheet and the backsheet; and d) an adhesive system located on the backsheet. The adhesive system comprises a plurality of three-dimensional protrusions which are deformable into a substantially two-dimensional configuration and an interconnected network of adhesive surrounding the …
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 3, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 3, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 3, 2022.
- 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.