Multilayer durable fluorocarbon coatings
CA 1324540 C · Owner: Li, Pat P. · Inventors: Parsons, Gerry A.; Li, Pat P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Substrates, and especially aluminum substrates, are durably coated to include as a, basecoat, a heavily pigmented opaque coating composition consisting essentially of from about 45% to about 85% of a fluorocarbon resin and from 15% to about 55% of an acrylic resin, and having a pigment volume concentration sufficient to visually obliterate anything beneath it, said heavily pigmented coating composition being overcoated with a fluorocarbon topcoat containing from about 45% to about 85% of a fluorocarbon resin, and from about 15% to about 55% of an acrylic resin, on a resin solids basis, and having a pigment volume concentration of at least about 1%, on a film solids basis the, pigment …
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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 November 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 2010.
- 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.