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.

Date of Patent:
Nov. 03, 2015

Filed:

Dec. 07, 2012
Applicant:

Ineos Europe Ag, Vaud, CH;

Inventors:

Gaelle Pannier, Brussels, BE;

Choon Kooi Chai, Overijse, BE;

Assignee:

INEOS EUROPE AG, Vaud, CH;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 210/16 (2006.01); C08F 2/34 (2006.01); C08F 4/659 (2006.01); C08F 4/6592 (2006.01);
U.S. Cl.
CPC ...
C08F 210/16 (2013.01); C08F 2/34 (2013.01); C08F 4/6592 (2013.01); C08F 4/65912 (2013.01);
Abstract

Copolymers of ethylene and α-olefins having (a) a density in the range 0.900-0.940 g/cm, (b) a melt index MI(2.16 kg, 190° C.) in the range 0.01-50 g/10 min, (c) a molecular weight distribution (Mw/Mn, by conventional GPC) in the range 2.0-4.5, (d) a comonomer partition factor, C>1, and (e) a melt index MI(2.16 kg, 190° C.) normalized Dow Rheology Index (DRI), [DRI/MI] in the range 3-20. The copolymers may be prepared using catalyst systems containing activating supports. The copolymers are suitably prepared in the gas phase preferably in a single reactor. The copolymers exhibit unique properties in particular with respect to their rheology.


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