Combustion chemical vapor deposition of phosphate films and coatings
CA 2302580 A1 · Owner: Hwang, Tzyy-Jiuan · Inventors: Hwang, Tzyy-Jiuan; Shao, Hong; Hunt, Andrew Tye
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for applying coatings to substrates (22) using combustion chemical vapor deposition by mixing together a reagent and a carrier solution to form a reagent mixture (12), igniting the reagent mixture to create a flame or , flowing the reagent mixture (12) through a plasma torch in which the reagent , is at least partially vaporized into a vapor phase and contacting the vapor , phase of the reagent to a substrate resulting in the deposition at least in , part from the vapor phase of a coating of the reagent which can be controlled so as to have a preferred orientation on the substrate and an apparatus to , accomplish this method. This process can be used to deposit coatings of …
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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 September 4, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 4, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 4, 2020.
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Timeline
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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.