Method of strengthening a brittle oxide substrate with a weatherable coating
CA 2614154 C · Owner: Wen, Mei · Inventors: Culp, Thomas D.; Silverman, Gary S.; Wen, Mei
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a method of strengthening brittle oxide pieces such as glass pieces with a siloxane-acrylate coating system that has superior weatherability, particularly hydrolytic stability. The coating system comprises a combination of a silane solution and a radiation-curable acrylate solution. The mixture is applied to a clean brittle oxide surface. The silane , solution comprises one or more silanes in a non-aqueous solvent and the radiation-curable acrylate solution comprises one or more acrylate or methacrylate monomers, acrylate or methacrylate oligomers and initiators, such as photoinitiators.
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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 June 28, 2006 and granted January 14, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 28, 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.