Organic polyisocyanate-cyclic alkylene carbonate adhesive binder compositions
CA 1161821 A · Owner: Atlantic Richfield Company · Inventors: Gaul, James M.; Nguyen, Tinh
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved adhesive binder composition is provided for the preparation of lignocellulosic composite molded articles such as flake or particleboard made from, moldable compositions which comprises an organic di- or polyisocyanate and a cyclic alkylene ester of carbonic acid and optionally lignin, for application to the lignocellulosic material prior to the molding process to form the composite product.
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 February 7, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 7, 2001.
- 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.