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:
Jan. 19, 1988
Filed:
Sep. 18, 1986
Applicant:
Inventors:
Keisuke Wada, Yokohama, JP;
Keiichi Sato, Tokyo, JP;
Assignee:
Mitsubishi Chemical Industries Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ; C07C / ; C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
562481 ; 2605 / ; 2605 / ; 558360 ; 558411 ; 562488 ; 564155 ; 568643 ; 568730 ; 568739 ; 585427 ;
Abstract
A process for dehalogeno-dimerization reaction of an aromatic halide compound which comprises dimerizing aromatic halide compound having at least one halogen atom attached to a carbon atom in the aromatic nucleus, and optionally having a substituent other than the halogen atom, in the presence of a platinum group metal catalyst, carbon monoxide, and an alkali metal compound and/or an alkaline earth metal compound.