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Canadian application, no grantCanada

Polyamide molding compositions and electrical and electronic components molded therefrom having improved heat stability

CA 2495095 A1 · Owner: E. I. Du Pont De Nemours And Company · Inventors: Martens, Marvin Michael; Redmond, Kate

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

Polyamide molding compositions with improved blistering properties and electrical or electronic components made therefrom are provided. These compositions and components comprise 20-80 weight percent of polyamide or polyamide blend and comprising units derived from terephthalic acid or a derivative, and an aliphatic diamine with 10-20 carbons. Select ranges of inorganic filler and flame retardant and synergist are also disclosed.

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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 August 8, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 8, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 8, 2025.
  • 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 8, 2003
GrantedNo grant recorded
Term endedAugust 8, 2023
Patent numberCA 2495095 A1
Classification (IPC)C08L77/06 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedAug 8, 2003Term endedAug 8, 2023

Sources & verification

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