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:
May. 06, 1997
Filed:
Dec. 09, 1994
Applicant:
Inventors:
Syriac J Palackal, Bartleville, OK (US);
Helmut G Alt, Bayreuth, DE;
Konstantinos Patsidis, Bayreuth, DE;
Tara G Hill, Fairfield, OH (US);
Gil R Hawley, Dewey, OK (US);
Peter P Chu, Bartleville, OK (US);
M Bruce Welch, Bartlesville, OK (US);
Rolf L Geerts, Bartlesville, OK (US);
Assignee:
Phillips Petroleum Company, Bartlesville, OK (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01S / ; C07F / ;
U.S. Cl.
CPC ...
502117 ; 502113 ; 556 11 ; 556 12 ;
Abstract
Fluorenyl-containing silyl bridged metallocenes, the process of using such metallocenes to polymerize olefins, and the resulting unusual syndiotactic polypropylene are disclosed.