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. 18, 2007
Filed:
Aug. 29, 2003
Young-whan Park, Daejeon, KR;
Si-geun Lee, Daejeon, KR;
Sung-don Hong, Daejeon, KR;
Kwang-ho Song, Daejeon, KR;
Boong-goon Jeong, Daejeon, KR;
Dae-woo Nam, Daejeon, KR;
Bun-yeol Lee, Daejeon, KR;
Choong-hoon Lee, Daejeon, KR;
Hyo-sun Lee, Daejeon, KR;
Young-Whan Park, Daejeon, KR;
Si-Geun Lee, Daejeon, KR;
Sung-Don Hong, Daejeon, KR;
Kwang-Ho Song, Daejeon, KR;
Boong-Goon Jeong, Daejeon, KR;
Dae-Woo Nam, Daejeon, KR;
Bun-Yeol Lee, Daejeon, KR;
Choong-Hoon Lee, Daejeon, KR;
Hyo-Sun Lee, Daejeon, KR;
LG Chem, Ltd., , KR;
Abstract
The present invention relates to a novel fulvene compound and a preparation method thereof, and more particularly to a fulvene compound having substituted groups in the 2- and 5-positions, prepared from an unsaturated ketone having a substituted group in the β-position and a halogen atom in the α-position, and a preparation method thereof. The present invention also relates to a metallocene catalyst having a substituted group in the α-position carbon of the bridge of the cyclopentadienyl group only by reaction of a fulvene compound and an anion group including the cyclopentadienyl group, and a preparation method of a polyolefin copolymer using the same.