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:
May. 01, 2012
Filed:
Apr. 04, 2007
Applicant:
Junya Nishiuchi, Okayama, JP;
Inventor:
Junya Nishiuchi, Okayama, JP;
Assignee:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/255 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides an industrially advantageous process for producing 5-phenylisophthalic acid, which process attains excellent selectivity and yield and also realizes recovery and reuse of a catalyst. The process for producing 5-phenylisophthalic acid represented by formula (1) is characterized in that the process includes the following steps (A) to (C):