Pd/re hydrogenation catalyst and process for making tetrahydrofuran and 1,4-butanediol
CA 1268752 C · Owner: Ziemecki, Stanislaw B. · Inventors: Prichard, William W.; Mabry, Melinda A.; Ziemecki, Stanislaw B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE, Pd/Re HYDROGENATION CATALYST AND PROCESS FOR MAKING TETRAHYDROFURAN, AND 1,4-BUTANEDIOL ABSTRACT OF THE DISCLOSURE, Palladium/rhenium-on-carbon catalyst; a method employing said catalyst eo produce tetrahydrofuran, 1,4-butanediol or mixtures thereof in selectable ratios from a number of starting reactants; and a method for making the Pd/Re/C catalyst.
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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 8, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 8, 2007.
- 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
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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.