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:
Feb. 06, 1990
Filed:
Jun. 09, 1989
Applicant:
Inventors:
Shigenobu Kawakami, Ichikawa, JP;
Keiji Endo, Yokosuka, JP;
Hideyuki Dohi, Yokohama, JP;
Atsushi Sato, Tokyo, JP;
Assignee:
Nippon Petrochemicals Co. Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585471 ; 585474 ; 585475 ;
Abstract
A method for producing m-benzyltoluene with a high yield and excellent selectivity without producing undesirable heavier by-products. The method is characterized in that toluene and diphenylmethane are allowed to react at a reaction temperature in the range of 170.degree. to 400.degree. C. in the presence of a crystalline synthetic zeolite catalyst in which the molar ratio of SiO.sub.2 /Al.sub.2 O.sub.3 is 20 or higher and the openings of main pores are formed by ten-membered oxygen rings.