Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Albert P. Masino0
Joel L. Martin0
Matthew G. Thorn0
Qing Yang0
Date of Patent
June 20, 2006
0Patent Application Number
108769480
Date Filed
June 25, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides a method of making compounds comprising linked cyclopentadienyl and fluorenyl groups, including substituted analogs thereof, which are precursors to ansa-metallocenes comprising bridged cyclopentadienyl and fluorenyl ligands. In one aspect, this invention provides a preparative method for (5-cyclopentadienyl)[5-(2,7-di-tert-butylfluorenyl)]hex-1-ene, and ansa-metallocenes comprising this ligand.
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