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:
Oct. 16, 2001
Filed:
Sep. 09, 1999
Yi-Yeol Lyu, Taejeon, KR;
Duck-Joo Yang, Taejeon, KR;
Keun-Byoung Yoon, Taejeon, KR;
Seok Chang, Taejeon, KR;
Won-Cheol Jung, Seoul, KR;
Abstract
The metallocene complexes according to the present invention are prepared by reacting a transition metal complex of Group III-X of the Periodic Table, having at least one cycloalkanedienyl group, with a compound having at least two functional groups. The transition metal complex has a main ligand such as a cycloalkanedienyl group and at least one ancillary ligand which coordinated to a transition metal of Group III-X. The functional groups in the compound having at least two functional group are selected from the group consisting of a hydroxyl group (—OH), a thiol group (—SH), a primary amine group (—NH,), a secondary amine group (RNH—), a tertiary amine group (RR′N) a primary phosphorous group (—PH,), a secondary phosphorous group (RPH—), a tertiary phosphorous group (RR′P), a thiirane group