Patents by Inventor Patrice J. G. Capdevielle

Patrice J. G. Capdevielle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Process for preparing para-quinone or ortho-quinone derivatives, possibly alkoxylated or aryloxylated, respectively from the corresonding hydroquinone or pyrocatechic derivatives

Patent number: 4486349

Abstract: Process for preparing a para-quinone or ortho-quinone derivative, possibly alkoxylated or aryloxylated, which consists in oxidizing respectively the corresponding hydroquinone or pyrocatechic derivative, by means of the complex prepared, in situ or separately, by combining a cuprous salt, a hydrocarbon substituted by a cyano group and molecular oxygen, the oxidation being possibly carried out in the presence of an alkoxylating or aryloxylating agent of the hydroxylated derivative type.

Type: Grant

Filed: November 12, 1982

Date of Patent: December 4, 1984

Assignee: Delalande, S.A.

Inventors: Michel Maumy, Patrice J. G. Capdevielle, Philippe L. Dostert, Michel Langlois

Process for preparing para-quinone or ortho-quinone derivatives, possibly alkoxylated or aryloxylated, respectively from the corresonding hydroquinone or pyrocatechic derivatives