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:
Jan. 23, 2007
Filed:
Oct. 13, 2004
Young Whan Park, Daejeon, KR;
Hyosun Lee, Daejon, KR;
Sung Don Hong, Daejeon, KR;
Kwang Ho Song, Daejeon, KR;
Boong Goon Jeong, Daejeon, KR;
Dae Woo Nam, Daejeon, KR;
Hye Young Jung, Goyang, KR;
Bun Yeoul Lee, Suwon, KR;
Young Chul Won, Chuncheon, KR;
Young Whan Park, Daejeon, KR;
Hyosun Lee, Daejon, KR;
Sung Don Hong, Daejeon, KR;
Kwang Ho Song, Daejeon, KR;
Boong Goon Jeong, Daejeon, KR;
Dae Woo Nam, Daejeon, KR;
Hye Young Jung, Goyang, KR;
Bun Yeoul Lee, Suwon, KR;
Young Chul Won, Chuncheon, KR;
LG Chem. Ltd., Seoul, KR;
Abstract
There are provided a method of simply preparing a 1,4,6-substituted, 1,4-substituted, 1,6-substituted, or 1-substituted fulvene compound, the intermediates of the fulvene compound, and a method of preparing an ansa-metallocene compound in which two cyclopentadienyl ligands are bridged by one carbon and there are substituents only at positions adjacent to the bridging point of a cyclopentadienyl ligand, using the fulvene compound.