Multi-layer opalescent coatings containing pearlescent pigments and dyes
CA 1330508 C · Owner: Basf Corporation · Inventors: Panush, Sol; Gelmini, James M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A substrate material coated with a multi-layer coating composition and a method of coating the substrate material with a multi-layer coating composition. The multi-layer coating composition consists of an inner pigmented film-forming base coat. An intermediary transparent film-forming coating is applied over the base coat, the intermediary coating comprising a blend of iron oxide encapsulated mica pigment in a pigment to binder ratio of about .001 to about .35 and up to about 50 wt. based upon the weight of the pigment dye of a metal organic complex dye selected from the group consisting of 1:2 cobalt metal organic complex dyes and 1:2 chrome metal organic complex dyes. An outer …
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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 July 5, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 5, 2011.
- 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.