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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 9556295 B1

PDFFull Text
Date of Patent:
Jan. 31, 2017

Filed:

Apr. 28, 2014

Supported donor modified ziegler-natta catalysts

Applicant:

Borealis Ag, Vienna, AT;

Inventors:

Irfan Saeed, Helsinki, FI;

Esa Kokko, Vantaa, FI;

Paivi Waldvogel, Porvoo, FI;

Marja Mustonen, Koskenkylansaha, FI;

Thomas Garoff, Helsinki, FI;

Assignee:

Borealis AG, , AT;

Attorney:

Tarolli, Sundheim, Covell & Tummino LLP

Primary Examiner:

Alexa Neckel

Assistant Examiner:

Elizabeth Eng

Int. Cl.
CPC ...
B01J 31/00 (2006.01); B01J 37/00 (2006.01); C08F 4/02 (2006.01); C08F 4/60 (2006.01); C08F 4/44 (2006.01); C08F 2/00 (2006.01); C08F 210/08 (2006.01); C08F 210/16 (2006.01);
U.S. Cl.
CPC ...
C08F 210/08 (2013.01); C08F 210/16 (2013.01);
Abstract

Procatalyst comprising an inorganic support, a chlorine compound carried on said support, a magnesium compound carried on said support, a titanium compound carried on said support, and a compound comprising two oxygen containing rings, wherein said two rings are linked via a bridge selected from the group consisting of carbon bridge, silicon bridge, ethane-1.2-diyl bridge, ethene-1,2-diyl bridge, alkylaminomethyl bridge and imine bridge.

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Saeed, Irfan. (2017). Supported donor modified ziegler-natta catalysts (U.S. Patent No. 9556295). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9556295

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