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:
Apr. 03, 1990
Filed:
Jun. 30, 1989
Applicant:
Inventors:
Kazuhiko Sekizawa, Shinnanyo, JP;
Toshio Hironaka, Tokuyama, JP;
Masao Nakano, Hikari, JP;
Yukihiro Tsutsumi, Tokuyama, JP;
Assignee:
Toyo Soda Manufacturing Co., Ltd., Shinnanyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
570208 ; 570190 ; 570206 ; 570207 ;
Abstract
A para-substituted halogenobenzene derivative is prepared by halogenating a benzene derivative in the liquid phase in the presence of a molded zeolite catalyst body comprising, based on the weight of the molded zeolite catalyst body, 10 to 95% by weight of an L-type zeolite as the anhydrous state and 5 to 90% by weight of amorphous silica.
Sekizawa, Kazuhiko. (1990). Process for preparing para-substituted halogenobenzene derivatives (U.S. Patent No. 4914247). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4914247
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile