Metallic articles having nacreous appearance
CA 1137363 A · Owner: Mitsui Mining & Smelting Co. Ltd. · Inventors: Kasahara, Nobuyoshi; Nonomura, Koutaro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the disclosure:, A process for the production of a metallic article having semi-bright or matt nacreous appearance comprising the steps of coating a metallic substrate with a clear paint comprising a curable resin vehicle and a nacreous pigment selected from oxides and salts of elements of Groups IV and V of the Periodic Table to form on the metallic substrate a clear paint coating in which the nacreous pigment is arranged in substantially lamellar or undulated form, and then curing the paint coating on the metallic substrate thereby to produce the metallic article. In one embodiment the metallic, substrate may preferably be chemically treated to form a corrosion-resistant film …
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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 December 14, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 14, 1999.
- 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.