Coating compositions providing improved mar and scratch resistance and methods of using the same
CA 2605575 C · Owner: Ragan, Deirdre D. · Inventors: Ragan, Deirdre D.; Chasser, Anthony M.; Dean, Roy E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed is a coating formed from a composition containing a film-forming resin and a plurality of particles dispersed in the resin. The average particle size of the particles is 0.1 to 50 microns and the particles have a , hardness sufficient to impart greater mar and/or scratch resistance to the coating as compared to a coating where no particles are present. Also the , difference between the refractive index of the resin and the refractive index of the particles ranges from 1 to 1.5. A method for preparing a powder coating including the particles also is provided.
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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 25, 2006 and granted June 26, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 25, 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.
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.