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Expired Canadian patentCanada

Thermoplastic molding compounds of polyamide and hydrogenated nitrile rubber

CA 1340019 C · Owner: Merten, Josef · Inventors: Merten, Josef; Eichenauer, Herbert; Ott, Karl-Heinz

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Overview

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Abstract From the Canadian patent

The invention relates to thermoplastic molding compounds of 70 to 99.5% by weight thermoplastic polyamides and 30 to 0.5% by weight hydrogenated nitrile rubber and 0 to 29.5% by weight thermoplastic resin components and optionally, standard additives in typical quantities. These thermoplastic molding compounds show high strength values, very good moldability and, above all high, weathering resistance.

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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

  • Granted September 1, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 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.
FiledAugust 11, 1989
GrantedSeptember 1, 1998
Term endedSeptember 1, 2015
Patent numberCA 1340019 C
Classification (IPC)C08L77/00

Timeline

Timeline From CIPO dates

199019931996199920022005200820112014Application filedAug 11, 1989Patent grantedSep 1, 1998Term endedSep 1, 2015

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