Heat-curable coating agent, and cathodic electrocoating
CA 1263980 C · Owner: Kempter, Fritz Erdmann · Inventors: Nieberle, Juergen; Kempter, Fritz Erdmann; Schupp, Eberhard
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 heat-curable aqueous coating agentcontains, as a binder, a mixture or precondensate of, (A) a resin possessing basic nitrogen groups and, (3) a phenol resin based on a resol ether which is bonded via o,o'-methylene ether groups and whose p-positions predominantly carry hydrogen and/or methylolalkyl ether groups. After protonation with an acid the said coating, agent is particularly useful as a binder for the cathodic electrocoating of metal articles.
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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 19, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 19, 2006.
- 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.