Process for forming multilayer coating
CA 1137362 A · Owner: Kansai Paint Co. Ltd. · Inventors: Murase, Heihachi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process is disclosed for forming a multilayer coated film by coating a multilayer coat-forming paint on the surface of a substrate. The multilayer coating achieves the dual function of primer and top-coat in a single coating and baking. Prior to the coating the surface of the substrate is treated with a solution containing at least one onium compound of the formula:, , or . (I) (II), wherein Y represents a nitrogen phosphorus or arsenic atom, R1, R2, R3 and R4 are identical or different and each represents a hydrogen atom or an organic group having not more than 8 carbon atoms, and X? represents an anion. The pretreatment promotes phase separation of the paint increases the surface, …
Read the whole patent
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.