Carbon michael cure activated by tertiary amines and epoxides
CA 1339492 C · Owner: Wolfersberger, Martha Harbaugh · Inventors: Wolfersberger, Martha Harbaugh; Hurwitz, Marvin Joseph; Schindler, Frederick James
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Carbon Michael cure is effected by combining a tertiary amine component, an epoxide component, a component with Michael Reaction-active methylene groups and a component, with Michael Reaction-active alkene groups. The tertiary amine and epoxy components are combined during or shortly before combination of all components. Two-pack ambient cure coatings using this method have improved combinations of pot life, early cure, gloss, and ultimate cure. Improved resistance to water is achieved when the epoxide component and/or the tertiary amine component are pre-reacted with a Michael Reaction-active component or capable of reacting with a Michael Reaction-active component during cure. Low cost …
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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 October 7, 1997. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 7, 2014.
- 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.