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:
Jul. 31, 2001
Filed:
Dec. 02, 1999
Applicant:
Inventors:
Makoto Koide, Saitama, JP;
Michio Ishida, Saitama, JP;
Yuzuru Morino, Yamaguchi, JP;
Seiji Hasegawa, Yamaguchi, JP;
Satoru Narizuka, Saitama, JP;
Takashi Kume, Saitama, JP;
Assignee:
Central Glass Company, Limited, Ube, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 5/110 ;
U.S. Cl.
CPC ...
C07C 5/110 ;
Abstract
The invention relates to a method for producing a benzoic acid derivative represented by the general formula (1). The method includes the step of reacting an aromatic compound represented by the general formula (2), with carbon monoxide and a hydroxy compound (i.e., water or an alcohol), in the presence of (a) a metal compound containing a metal of 8, 9 and 10 groups of periodic table, (b) a first phosphine derivative represented by the general formula (R,),P—Q—P(R,),, and (c) a base,