Two component coating composition of an anhydride containing polymer and a glycidyl component
CA 1292825 C · Owner: E.I. Du Pont De Nemours And Company · Inventors: Corcoran, Patrick Henry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A coating composition useful for a finish for automobiles and trucks in which the film forming binder contains two reactive binder components of (a) an acrylic polymer having at least two anhydride groups and having a weight, average molecular weight of about 2,000-50,000 and, (b) a component having at least two reactive glycidyl groups and, the composition contains a catalyst. 0235d
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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 3, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 3, 2008.
- 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.