Patent Yard Sign in
Expired Canadian patentCanada

Polymer nanocomposites for air movement devices

CA 2562345 C · Owner: Rossate, Jack J. · Inventors: Eschborn, Archie; Rossate, Jack J.; Hall, Craig R.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

In one embodiment, the invention provides an air movement device having a matrix polymer and nanoparticles. In another embodiment the invention , provides a method of manufacturing an air movement device having dry-mixing about 30% to about 80% by weight matrix polymer and about 2% to about 15% by weight layered clay to form a dry mixture extruding the mixture to form a , polymer nanocomposite and molding the polymer nanocomposite into an air movement device. In yet another embodiment the irwention provides an air , movement device having about 30% to about 80% by weight polypropylene about , 3% to about 10% by weight layered clay and about 1 % to about 10% by weight , maleir anhydride …

Read the whole patent

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 April 7, 2005 and granted January 21, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 7, 2025.
  • 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.
FiledApril 7, 2005
GrantedJanuary 21, 2014
Term endedApril 7, 2025
Patent numberCA 2562345 C
Classification (IPC)F04D29/02 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedApril 7, 2005Patent grantedJan 21, 2014Term endedApril 7, 2025

Sources & verification

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