Cathodically depositable coating compositions
CA 1113630 A · Owner: Vianova Kunstharz Aktiengesellschaft · Inventors: Verdino, Heiner; Schmolzer, Gerhard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Binders for cathodically depositable aqueous coating compositions comprising a basic binder system which is a blend or partial reaction product of a basic macromolecular component and an acidic macromolecular component the ratio between acid and basic binders as expressed by amine value and acid value ranges between 97:3 and 65:35 and included in the coating compo-, sition is at least one resin component modified with a compound of the general formula -, OCN - R ?NH - CO - R'n, wherein n is 1-3; R is an aliphatic hydrocarbon radical or an aromatic or, cycloaliphatic nucleus preferably substituted with alkyl groups and R' is, the moiety of a saturated or unsaturated alcohol; a phenol …
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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 1, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 1, 1998.
- 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.