Insulating glass (ig) window unit including heat treatable coating with specific color characteristics and low sheet resistance
CA 2612261 C · Owner: Nunez-Regueiro, Jose · Inventors: Dietrich, Anton; Nunez-Regueiro, Jose; Bassett, Nancy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An insulating glass (IG) window unit, or other suitable window unit includes , a glass substrate with a coating thereon. The coating includes a lower contact layer based on zinc oxide and/or at least one silicon nitride inclusive layer that is Si-rich (i.e. non-stoichiometric). Using such a design it has been found that coloration , can be adjusted in order to achieve certain desirable optical characteristics.
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 July 6, 2006 and granted May 1, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 6, 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.