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.:

US 8017708 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 13, 2011

Filed:

Oct. 02, 2009
Applicants:

Sandor Nagy, Naperville, IL (US);

Joachim T. M. Pater, Cocomaro di Focomorto, IT;

Giampiero Morini, Padova, IT;

Inventors:

Sandor Nagy, Naperville, IL (US);

Joachim T. M. Pater, Cocomaro di Focomorto, IT;

Giampiero Morini, Padova, IT;

Assignee:

Equistar Chemicals, LP, Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 2/00 (2006.01); C08F 4/06 (2006.01); B01J 31/00 (2006.01); B01J 27/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

A modified Ziegler-Natta catalyst system, a method for preparing the catalyst system, and a process for polymerizing an olefin in the presence of the catalyst system are disclosed. The catalyst system comprises a titanium compound, an aluminum compound, and a nitroso compound. Improved polyolefin properties, such as high molecular weight, are obtained.


Find Patent Forward Citations

Nagy, Sandor. (2011). Nitroso-modified ziegler-natta catalyst system (U.S. Patent No. 8017708). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8017708

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