Process for producing cathodically depositable binders
CA 1182245 A · Owner: Vianova Kunstharz Aktiengesellschaft · Inventors: Honig, Helmut; Pampouchidis, Georg
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for producing improved auto-crosslinking binders is described. The binders are based on amine modified epoxy compounds and are obtained through reaction of epoxy compounds with secondary amines, preferably alkanol amines and monocarboxylic acids. Optionally the hydroxy groups of the reaction product are reacted partially or totally with an ?,B-unsaturated monoisocyanate. The binders have a double bond number of at least 0.5 preferably 0.8, to 2.5?,B-positioned double bonds and are rendered water soluble, through neutralisation with acids. Thereafter they have an amine, number of between 0.8 to 3Ø The binders are excellent vehicles for coating compositions applied by cathodic …
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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 February 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 5, 2002.
- 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.