Undercoat composition and a metal substrate coated with a resin composition
CA 1338293 C · Owner: Sekisui Kagaku Kogyo Kabushiki Kaisha · Inventors: Karukaya, Koichi; Inai, Toshimi; Yamamoto, Kazuyoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An undercoat composition with excellent adhesiveness to both a resin coating layer and a metal layer comprises (a) at least one resin selected from polyaryletherketone resins and polyphenylenesulfide resins having repeating units of the formulae: (I), (II), (III), (b) at least one resin selected from polyarylethersulfone resins with repeating units of the formulae:, (IV), (V), (c) a thermosetting resin selected from imide resins and precursors thereof, epoxy resins phenol resins, amide-imide resins and precursors thereof and furan, resins. Metal substrates coated with the undercoat composition and a resin composition are also provided. The undercoat composition and the resin-coated metal …
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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
- Granted April 30, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2013.
- 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.