Process for the preparation of alkyl nonadienoate esters
CA 1186694 A · Owner: National Distillers And Chemical Corporation · Inventors: Scheben, John A.; Goetz, Richard W.; Hanes, Ronnie M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for the reaction of 1,3-butadiene alkanol, and carbon monoxide in the presence of a palladium-containing Group VB tertiary donor ligand catalyst composition to provide an alkyl nonadienoate ester. The reaction is carried out in the presence of a catalyst-promoting amount of alkoxide ion. The yield of ester reaction product is significantly increased.
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 May 7, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 7, 2002.
- 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.