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Expired Canadian patentCanada

Mechanically strong absorbent non-woven fibrous mats

CA 2608740 C · Owner: Smith, Daniel J. · Inventors: Reneker, Darrell H.; Smith, Daniel J.

CIPO record

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

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Abstract From the Canadian patent

The present invention is generally directed to a liquid entrapping device having the capacity to absorb liquids. More particularly the present , invention is directed to a liquid entrapping device comprising an absorbent component, hydrophilic elastomeric fibrous component in fluid communication therewith, and optionally an adhesive component. The present invention is also directed to a liquid entrapping device having the capacity to absorb liquids while maintaining a suitable degree of mechanical strength. Furthermore the , present invention is generally directed to methods for making and using the foregoing devices and materials.

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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 May 16, 2006 and granted September 8, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 16, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 16, 2006
GrantedSeptember 8, 2015
Term endedMay 16, 2026
Patent numberCA 2608740 C
Classification (IPC)B32B5/02

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMay 16, 2006Patent grantedSep 8, 2015Term endedMay 16, 2026

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