Process for the preparation of ceric alkoxides
CA 1215397 A · Owner: Rhodia Rare Earths Inc. · Inventors: Schreiber, Fred G.; Gradeff, Peter S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process is provided for preparing ceric alkoxides which comprises reacting ceric ammonium nitrate with an alcohol, including a lower aliphatic alcohol under anhydrous, conditions in the presence of an anhydrous base at a temperature within the range from about -30°C to about 200°C but preferably from 0° to about 150°C until ceric alkoxide and the nitrate salt of the base are formed; ceric alkoxides of higher alcohols can be prepared by transetherification of the resulting ceric alkoxide with the higher alcohol, either simultaneously or sequentially at a, temperature within the range from about -30°C to about 200°C thereby displacing the lower aliphatic alcohol and forming the ceric …
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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 December 16, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 16, 2003.
- 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.