Copolymers of carbon monoxide
CA 1338580 C · Owner: Drent, Eit · Inventors: Drent, Eit
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Copolymers of carbon monoxide with one or more mono-olefinically unsaturated compounds (A) and with one or more diolefinically unsaturated compounds (B) in which at least one of, the double bonds occupies a terminal position and in which the two double bonds are non-conjugated, are obtainable by contacting a mixture of CO, A and B with a catalyst composition containing a Group VIII metal and a bidentate ligand.
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 September 3, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 2013.
- 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.