Polymer nanocomposites for air movement devices
CA 2562345 C · Owner: Rossate, Jack J. · Inventors: Eschborn, Archie; Rossate, Jack J.; Hall, Craig R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract 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 …
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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 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.