Water-based intermediate coating composition and method for forming multilayer coating film
CA 2511883 A1 · Owner: Toi, Teruzo · Inventors: Toi, Teruzo; Nakae, Yasuhiko
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides an aqueous intercoating composition which enables the formation of multilayer coating films excellent in chipping resistance water , resistance, compatibility of intercoat with top and under coats and , appearance of finished surfaces; and a method for forming multilayer coating films with the same. The aqueous intercoating composition comprises both a copolymer resin emulsion and a curing agent the copolymer resin emulsion , being one prepared by emulsion-polymerizing (a) a monomer component containing at least one monomer selected from among alkyl (meth)acrylates and if , necessary, at least one monomer selected from the group consisting of styrenic monomers, …
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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 December 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 16, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 16, 2025.
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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.