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:
Jun. 28, 2005
Filed:
Dec. 31, 2002
Applicants:
IL Nam Jung, Seoul, KR;
Bok Ryul Yoo, Gyeonggi-Do, KR;
Joon Soo Han, Seoul, KR;
Weon Cheol Lim, Seoul, KR;
Mu Yeol Kim, Gwangju, KR;
Inventors:
Il Nam Jung, Seoul, KR;
Bok Ryul Yoo, Gyeonggi-Do, KR;
Joon Soo Han, Seoul, KR;
Weon Cheol Lim, Seoul, KR;
Mu Yeol Kim, Gwangju, KR;
Assignee:
Korea Institute of Science and Technology, Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A07F007/16 ;
U.S. Cl.
CPC ...
Abstract
A method for preparing alkyldichlorosilanes having a Si—H bond by directly reacting metallic silicon with a mixture of alkyl chloride and (i) hydrogen chloride, or (ii) an alkyl chloride which can generate hydrogen chloride at a reaction temperature in the presence of copper catalyst.