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:
Sep. 11, 2001
Filed:
Oct. 19, 1999
Seiichi Teshima, West Lafayette, IN (US);
Masayoshi Konishi, Tukuba, JP;
Kozo Tajiri, Tukuba, JP;
Yoshinobu Asako, Amagasaki, JP;
Sadao Miki, Kyoto, JP;
Nippon Shokubai, Co., Ltd., Osaka, JP;
Abstract
This invention relates to a method for the production of an aromatic compound (II) having a (CH,),CX,Br group (wherein X represents a fluorine or chlorine atom and the X's may be same or different, and n is an integer in the range of 0 to 4) by the reaction of photo-bromination of an aromatic compound (I) having a (CH,),CX,H group (wherein X and n are as defined above) with a brominating agent, wherein the photo-bromination reaction is carried out while removing hydrogen bromide generated in the reaction system and/or in an atmosphere of a low oxygen content, and a halogen-containing naphthalene compound represented by the following formula (1):