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. 07, 2000
Filed:
Jun. 03, 1999
Applicant:
Inventors:
Mark H McAdon, Midland, MI (US);
Jasson T Patton, Midland, MI (US);
Peter N Nickias, Midland, MI (US);
Ravi B Shankar, Midland, MI (US);
Francis J Timmers, Midland, MI (US);
Brian W Kolthammer, Lake Jackson, TX (US);
Daniel D VanderLende, Sugar Land, TX (US);
Steven M Ueligger, Angleton, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; C07F / ; C08F / ;
U.S. Cl.
CPC ...
502103 ; 502117 ; 502118 ; 526126 ; 526131 ; 526160 ; 526347 ; 526351 ; 526943 ; 556-7 ; 556 11 ; 556 12 ; 556 21 ; 556 53 ;
Abstract
Group 4 metal constrained geometry complexes comprising a fused ring indenyl derivative ligand, catalytic derivatives thereof, processes for preparing the same and their use as components of olefin polymerization catalysts are disclosed.