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. 08, 2000
Filed:
Dec. 23, 1997
Il Nam Jung, Seoul, KR;
Bok Ryul Yoo, Koyang, KR;
Joon Soo Han, Seoul, KR;
Yeon Seok Cho, Seoul, KR;
Korea Institute of Science and Technology, Seoul, KR;
Abstract
Aryl substituted alkylsilanes represented by the formula I and a preparation method thereof by reacting substituted benzenes represented by the formula II with aryl substituted alkylsilanes represented by the formula III in the presence of Lewis acid catalysts such as aluminum chloride: ##STR1## wherein m, p, and q are 0 or 1, respectively; n and y are 0, 1, or 2, respectively; X.sup.1, X.sup.2, X.sup.3, X.sup.4, and X.sup.5 which are same or different represent hydrogen, fluoro, chloro; R represents C.sub.1 -C.sub.12 alkyl group; provided that if n is 0, m is 0 and if n is 1 or 2, at least two of X.sup.1, X.sup.2, X.sup.3, X.sup.4, and X.sup.5 represent chloro or fluoro group.