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. 24, 2003
Filed:
Feb. 16, 2001
Applicant:
Inventors:
Sah Mun Hong, Teajeon, KR;
Byoung Keel Sohn, Teajeon, KR;
Sung Woo Kang, Taejeon, KR;
Tae Soo Hwang, Teajeon, KR;
Young Jae Jun, Teajeon, KR;
Hyun Ki Youn, Teajeon, KR;
Assignee:
Daelim Industrial Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 1/700 ; B01J 3/100 ; C08F 4/44 ;
U.S. Cl.
CPC ...
C07F 1/700 ; B01J 3/100 ; C08F 4/44 ;
Abstract
There are disclosed new metallocene compounds and catalysts for olefin polymerization. The metallocene compound is a complex of transition metal and cyclopentadienyl-type ligands substituted with silacycloalkyl group. The metallocene catalyst comprises the above metallocene compound and at least one activator such as aluminoxanes, aromatic boron compounds substituted with fluoride, and modified clays. The metallocene catalyst can be used for polymerization of olefin in liquid phase, slurry phase or gas phase process.