Catalytic synthesis of phenols
CA 1070331 A · Owner: E.I. Du Pont De Nemours And Company · Inventors: Weigert, Frank J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A phenol is produced by heating water and a cyclic or acyclic alkane or alkene of 6-10 carbon atoms at a temperature of 350 to 700°C in the presence of a metal oxide catalyst. The process preferably is operated with two or more metal oxides as catalysts and in the absence of air.
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 January 22, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 1997.
- 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.