Quaternary ammonium salt group-containing resins for cationic electrodeposition
CA 1107442 A · Owner: Ppg Industries, Inc. · Inventors: Bosso, Joseph F.; Wismer, Marco
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of cationic electrodeposition employing an aqueous dispersion of a quaternary ammonium salt group-containing resin is disclosed. The resin comprises the reaction product of a polymeric tertiary amine and a 1,2-epoxy-containing material. Also disclosed is an article coated with a resinous composition comprising the above resin and an article coated with a novel resinous composition comprising the above resin and a curing agent.
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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 August 18, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 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.