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. 26, 2010
Filed:
Jul. 11, 2005
Taichi Senda, Takatsuki, JP;
Noriyuki Hida, Sakai, JP;
Hidenori Hanaoka, Suita, JP;
Sumitomo Chemical Company, Limited, Tokyo, JP;
Abstract
The invention provides a process for producing a metallocene compound of formula (3) wherein Rto Rindependently denote a hydrogen atom, a halogen atom, an alkyl, or the like;Rdenotes a halogen atom, an alkyl, an alkoxy, or the like; Xand Xindependently denote a hydrogen atom, a halogen atom, or the like; and M denotes a transition metal atom of Group 4 of the Periodic Table, which process is characterized by reacting a silicon-substituted cyclopentadiene compound of formula (1) wherein Rto Rindependently denote the same as described above; Rdenotes a hydrocarbon group or a tri-substituted silyl; and Rto Rindependently denote a halogen atom or a hydrocarbon group, with a transition metal compound of the following formula (2) wherein M denotes the same as described above;X, X, X, and Xindependently denotes a hydrogen atom, a halogen atom, an alkyl, or the like, in a solvent containing an aromatic hydrocarbon.