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:
Nov. 27, 2001
Filed:
Sep. 08, 1998
Applicant:
Inventors:
Randall A. Scheuerman, Santa Clara, CA (US);
Clive A. Henrick, Palo Alto, CA (US);
Assignee:
Syngenta Participations AG, Basel, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 3/924 ; C07C 3/700 ;
U.S. Cl.
CPC ...
C07C 3/924 ; C07C 3/700 ;
Abstract
Preparation of 2,5-dichlorophenol by selectively oxidizing 1,4-dichlorobenzene using a peroxo-, hydroperoxo-, superoxo- or alkylperoxo-metal species in the presence of form or an alkanoic acid.