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:
Sep. 18, 2001
Filed:
Aug. 24, 1999
Applicant:
Inventors:
John M. Birmingham, Longmont, CO (US);
Sandra Russo-Rodriguez, Superior, CO (US);
Assignee:
Boulder Scientific Company, Mead, CO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 7/08 ; C07F 1/700 ; B01J 3/100 ; C07C 1/315 ;
U.S. Cl.
CPC ...
C07F 7/08 ; C07F 1/700 ; B01J 3/100 ; C07C 1/315 ;
Abstract
2-alkyl-4-(2,6-dialkylphenyl) indenes, methods for the synthesis thereof, methods for converting such indenes to bridged metallocene ligands, methods for converting such ligands to bridged metallocenes and olefin polymerization processes in which such metallocenes are used as a catalyst or as a component of a catalyst system are described.