Water-based epoxy resin coating composition
CA 1106516 A · Owner: Texaco Development Corporation · Inventors: Waddill, Harold G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
WATER-BASED EPOXY RESIN COATING COMPOSITION ABSTRACT OF THE DISCLOSURE, D#75,658-F A process for the water based cure of an epoxy resin is disclosed. The resulting epoxy resin is useful in protective coating. The epoxy system of the patent application should be useful in coating formulations. It should have little or no utility in casting, encapsulating etc. applications because of difficulty in removal of solvent i.e. water. The process involves curing an epoxy resin of the polyhydric phenol, polyglycidyl ether type by combining the resin with a reactive water-compatible polyamide in an aqueous medium. The polyamide is prepared from fatty acids and an aminopropyl derivative of a …
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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 4, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 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.