Forming a metal coating
CA 2046335 A1 · Owner: Cox, Michael · Inventors: Cox, Michael; Joshi, Rajendra
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a method of forming a metal coating on a surface. According to one version of the invention the method , comprises decomposing at the surface a vapour comprising: a first volatile compound between a first metal and a polydentate reagent, and a second volatile compound between a second metal and the same or another polydentate reagent, the reagent(s) being volatile, whereby the metals are co-deposited on the surface. In other versions of the invention, the compounds can be applied to the surface in the liquid phase, in the form of a paint. Such a paint need contain only one metal.
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 February 1, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 1, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 1, 2012.
- 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.