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:
Dec. 29, 1998
Filed:
Aug. 18, 1997
Applicant:
Inventors:
Tobin J Marks, Evanston, IL (US);
You-Xian Chen, Chicago, IL (US);
Assignee:
Northwestern University, Evanston, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; C07F / ; C07F / ; C08F / ;
U.S. Cl.
CPC ...
502153 ; 502103 ; 502117 ; 502102 ; 502104 ; 534 11 ; 526127 ; 526160 ; 526943 ; 526346 ; 526351 ; 526352 ; 556 27 ; 556 28 ; 556 53 ; 556187 ;
Abstract
A trityl perfluorophenyl alumninate such as tris(2,2',2'-nonafluorobiphenyl) fluoroaluminate (PBA.sup.-) and its role as a cocatalyst in metallocene-mediated olefin polymerization is disclosed.