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Expired Canadian patentCanada

Absorbent composite and disposable absorbent garment comprising same

CA 2235348 C · Owner: Putzer, Melissa Christine · Inventors: Putzer, Melissa Christine; Niemeyer, Michael John

CIPO record

Overview

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

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Abstract From the Canadian patent

Disclosed is an absorbent composite suitable for use in disposable absorbent garments and an, absorbent garment including such a composite. The composite includes a means for containing a, superabsorbent material and a superabsorbent material contained by the containment means. The, superabsorbent material has a Gel Integrity Index of at least about 1.5 kilograms (force) x, millimeters. Further the superabsorbent material is present in the containment means in an amount of, from about 10 to about 100 weight percent based on total weight of the containment means and the, superabsorbent material.

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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 October 24, 1996 and granted March 19, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 24, 2016.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 24, 2018.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 24, 1996
GrantedMarch 19, 2002
Term endedOctober 24, 2016
Patent numberCA 2235348 C
Classification (IPC)A61F13/15

Timeline

Timeline From CIPO dates

1997199920012003200520072009201120132015Application filedOct 24, 1996Patent grantedMarch 19, 2002Term endedOct 24, 2016

Sources & verification

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