The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 11, 2005
Filed:
Jan. 30, 2004
Russell E. Malz, Jr., Glastonbury, CT (US);
Ranjit Kumar, Storrs, CT (US);
Luis Javier Garces, Storrs, CT (US);
Steven L. Suib, Storrs, CT (US);
Russell E. Malz, Jr., Glastonbury, CT (US);
Ranjit Kumar, Storrs, CT (US);
Luis Javier Garces, Storrs, CT (US);
Steven L. Suib, Storrs, CT (US);
Crompton Corporation, Middlebury, CT (US);
Abstract
A process is disclosed for preparing ortho substituted phenylamines comprising contacting phenylhydroxylamine, optionally substituted with at least one inert substituent, with a nucleophilic reagent in the presence of a manganese oxide at a temperature between about 10° C. and about 170° C. and a pressure from subatmospheric to superatmospheric such that an ortho substituted phenylamine, optionally correspondingly substituted with at least one inert substituent, is predominantly formed.