Expired Canadian patentCanada
Alcohol production
CA 2103587 C · Owner: Exxon Chemical Patents, Inc. · Inventors: Hamard, Jacques M. M.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Nonyl alcohol is obtained by oxonation of an octene with a low content of triple branched isomers produced by catalytic dimerization of butene under conditions of high temperature and high conversion rates.
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
- Filed February 4, 1992 and granted September 16, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 4, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 4, 2014.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 4, 1992
GrantedSeptember 16, 2003
Term endedFebruary 4, 2012
Patent numberCA 2103587 C
Classification (IPC)C07C31/12 +2 more
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.