Method of electrodepositing cationic resin compositions without the need for volatile organic coalescent solvents
CA 1304860 C · Owner: Wold, Gerald G. · Inventors: Debroy, Tapan K.; Chung, Ding-Yu; Wold, Gerald G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Method of Electrodepositing Cationic Resin Compositions Without The Need For volatile organic Coalescent Solvents, An improved method of coating objects in an aqueous cathodic electrodeposition bath. The use of volatile organic coalescent solvents is eliminated by using a blocked crosslinking agent which is the reaction product of a polyetherpolyol and a polyfunctional isocyanate. The coatings are smooth flexible and have high film build.
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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 July 7, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 2009.
- 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
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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.