Coated article with ir reflecting layer and method of making same
CA 2548366 C · Owner: Dietrich, Anton · Inventors: Dietrich, Anton; Butz, Jochen; Kriltz, Uwe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coated article is provided with at least one infrared (IR) reflecting layer (e.g,. silver based). In certain example embodiments silicon nitride, zinc , oxide, and , an oxide of Ni and/or Cr are provided under the IR reflecting layer. It has been found , that improved thermal stability may be realized upon beat treatment. In certain , example instances, the silicon nitride may be replaced with tin oxide.
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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 May 25, 2006 and granted March 13, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 25, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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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.