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Expired Canadian patentCanada

Elastic net-like substrate having a layer of fibers pre-bonded thereto for use in an absorbent article

CA 2132415 C · Owner: The Procter & Gamble Company · Inventors: Tamer, Attila; Coles, Peter

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

In an absorbent article, such as a diaper or incontinence briefs an elastic member (60) comprising a net-like elastic substrate (62) to which fibers (64, 66) are pre-bonded provides for a breathable elastic for use as a side- a waist- or leg elastic. The fibers that are bonded to the net-like substrate for instance by hydro-entangling, ensure a soft and comfortable contact with the wearer's skin. In the side panels of the absorbent article the elastic members have a large freedom of stretch without buckling taking place, thus reducing chances of leakage. When the elastic member is located between the topsheet and the backsheet a strong, connection of topsheet to backsheet is established …

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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 11, 1993 and granted April 27, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 11, 2013.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 11, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 11, 1993
GrantedApril 27, 1999
Term endedMarch 11, 2013
Patent numberCA 2132415 C
Classification (IPC)A61F13/56 +2 more

Timeline

Timeline From CIPO dates

1994199619982000200220042006200820102012Application filedMarch 11, 1993Patent grantedApril 27, 1999Term endedMarch 11, 2013

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.