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. 20, 2001
Filed:
Apr. 15, 1999
Applicant:
Inventors:
Sandor Nagy, Grand Island, NY (US);
Bradley P. Etherton, Cincinnati, OH (US);
Ramesh Krishnamurti, Williamsville, NY (US);
John A. Tyrell, Williamsville, NY (US);
Assignee:
Equistar Chemicals, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/02 ; C08F 4/60 ; B01J 3/100 ; B01J 3/700 ;
U.S. Cl.
CPC ...
C08F 4/02 ; C08F 4/60 ; B01J 3/100 ; B01J 3/700 ;
Abstract
A single-site olefin polymerization catalyst is described. The catalyst comprises an activator and an organometallic compound that includes an amine derivative ligand. The catalyst is highly productive, incorporates comonomers well, and gives polymers with narrow molecular weight distributions. The compound is of the formula