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. 22, 2002
Filed:
Apr. 26, 1999
Applicant:
Inventors:
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 3/100 ; B01J 3/700 ; C08F 4/02 ; C08F 4/60 ; C08F 4/44 ;
U.S. Cl.
CPC ...
B01J 3/100 ; B01J 3/700 ; C08F 4/02 ; C08F 4/60 ; C08F 4/44 ;
Abstract
A process for producing a metallocycle metallocene comprising reacting a reactant metallocene which has a cyclopentadienyl group having an alkenyl group attached which has at least 3 carbon atoms with about 2 molar equivalents of an alkali metal alkyl having at least 4 carbon atoms, catalyst systems resulting from the combination of the metallocycle metallocene and an organic cocatalyst, and polymerization processes using such catalyst systems are disclosed.