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Expired Canadian patentCanada

Foam material product

CA 2642271 C · Owner: Nowy, Florian · Inventors: Zorn, Alois; Nowy, Florian

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

The invention relates to a method for producing a foam material product (1) during which a body (2) made of expanded closed-cell foam material particularly expanded polystyrene particle foam is subjected to a non-melting thermal treatment at a temperature above the glass transition temperature of the synthetic material forming the foam material this synthetic material being, in particular polystyrene.

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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 February 15, 2006 and granted August 6, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 15, 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.
FiledFebruary 15, 2006
GrantedAugust 6, 2013
Term endedFebruary 15, 2026
Patent numberCA 2642271 C
Classification (IPC)C08J9/36 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedFeb 15, 2006Patent grantedAug 6, 2013Term endedFeb 15, 2026

Sources & verification

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