Method for producing a liquid resin
CA 1083163 A · Owner: Quaker Oats Company (The) · Inventors: Dunlop, Andrew P.; Macander, Rudy F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Liquid resinous condensation products are produced by contacting furan and formaldehyde in the presence of an acid catalyst while maintaining an excess of furan during the contacting. The method produces liquid resinous condensation products which are useful as binders in the manufacture of composite articles, or as binder modifiers.
Read the whole patent
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 5, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 1997.
- 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.