Absorbent article with improved breathable backsheet comprising reduced basis weight nonwoven
CA 2368076 A1 · Owner: Bonelli, Guido · Inventors: Bonelli, Guido; Di Cintio, Achille; Carlucci, Giovanni
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 absorbent articles in particular sanitary napkins with improved comfort, particularly by the use of breathable backsheets whilst maintaining protection level performance. In particular this has been achieved by the use of an improved breathable backsheet comprising at least a first breathable layer and at least a second breathable layer of a fibrous nonwoven web having a basis weight of less than 40 g/m2.
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 March 31, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 31, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 31, 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.