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:
Mar. 11, 1997
Filed:
Mar. 23, 1995
Applicant:
Inventors:
Helmut G Alt, Bayreuth, DE;
Syriac J Palackal, Bartlesville, OK (US);
Konstantinos Patsidis, Berlin, DE;
M Bruce Welch, Bartlesville, OK (US);
Rolf L Geerts, Bartlesville, OK (US);
Eric T Hsieh, Bartlesville, OK (US);
Max P McDaniel, Bartlesville, OK (US);
Gil R Hawley, Dewey, OK (US);
Paul D Smith, Seabrook, TX (US);
Jay Janzen, Bartlesville, OK (US);
Michael Schmid, Bayreuth, DE;
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526160 ; 526126 ; 526127 ; 526170 ; 526943 ; 556 11 ; 556 12 ; 556 52 ; 502103 ; 502117 ; 502152 ;
Abstract
9-substituted fluorenyl-containing metallocenes and their use in the polymerization of olefins is disclosed. In addition, novel 9-cyclohexylfluorenyl or 9-phenylfluorenyl compounds are disclosed. Also methods for preparing such 9-substituted fluorenyl compounds are presented.