Process for hydrogenating diacetoxybutene
CA 1051020 A · Owner: Mitsubishi Chemical Industries Ltd. · Inventors: Shiraga, Ken; Sato, Masato; Toriya, Jun
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of Disclosure, This invention relates to a process for hydrogenating a mixture of an unsaturated aliphatic aldehyde and a diacetoxybutene to obtain diacetoxybutane with a high degree of selectivity and yield. The process is characterized in that the hydrogenation is carried out in two separate reactors and a carbon-carbon double bond of the starting compound is hydrogenated in the first reactor and an aldehyde group thereof in the second reactor.
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 March 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 1996.
- 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.