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:
Jun. 16, 2015
Filed:
Jun. 05, 2009
Applicants:
Masaki Fushimi, Eschborn, DE;
Marc Oliver Kristen, Sulzbach, DE;
Martin Schneider, Hochheim, DE;
Giampiero Morini, Padua, IT;
Inventors:
Masaki Fushimi, Eschborn, DE;
Marc Oliver Kristen, Sulzbach, DE;
Martin Schneider, Hochheim, DE;
Giampiero Morini, Padua, IT;
Assignee:
Basell Poliolefine Italia S.r.l., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/50 (2006.01); C08F 10/02 (2006.01); C08F 10/00 (2006.01);
U.S. Cl.
CPC ...
C08F 10/02 (2013.01); C08F 10/00 (2013.01);
Abstract
The present invention relates to catalysts systems for the polymerization of olefins CH═CHR, wherein R is an alkyl, cycloalkyl or aryl radical having 1-12 carbon atoms, comprising (A) a solid catalyst component comprising Ti, Mg, and halogen (B) an aluminum alkyl compound and (C) a brominated cyclic hydrocarbon. Said catalyst systems have improved polymerization activity.