Coating solution for forming transparent conductive tin oxide film method for producing transparent conductive tin oxide film, and transparent conductive tin oxide film
CA 2360442 A1 · Owner: Utida, Takasi · Inventors: Utida, Takasi; Kimura, Masateru; Niume, Kazuma
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coating solution for forming a transparent and conductive film containing tin oxides as main components, characterized in that the coating solution is prepared by dissolving a water-soluble polymer having a polar group into a solution containing stannic acid as a main component in the presence of at least one compound selected from the group consisting of ammonia and a watersoluble amine; a method for preparing a transparent and conductive tin oxide film; and a transparent and conductive tin oxide film. The coating solution can be used for preparing, by a coating method a tin oxide film having , toughness and excellent conductivity and transparency by the use of an inexpensive law …
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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 November 17, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 17, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 17, 2022.
- 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
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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.