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Expired Canadian patentCanada

Sound reducing polymer interlayers

CA 2601299 C · Owner: Solutia Incorporated · Inventors: Lu, Jun

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

The present invention is in the field of polymer interlayers and multiple layer glass panels , comprising polymer interlayers and, more specifically, the present invention is in the field of , polymer interlayers comprising multiple thermoplastic sheets.

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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 16, 2006 and granted August 20, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 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.
FiledMarch 16, 2006
GrantedAugust 20, 2013
Term endedMarch 16, 2026
Patent numberCA 2601299 C
Classification (IPC)B32B17/10 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMarch 16, 2006Patent grantedAug 20, 2013Term endedMarch 16, 2026

Sources & verification

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