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:
May. 20, 2014
Filed:
Aug. 02, 2010
Friedhelm Gundert, Liederbach, DE;
Martin Schneider, Hochheim, DE;
Joachim Berthold, Grassau, DE;
Bernd Lothar Marczinke, Römerberg, DE;
Friedhelm Gundert, Liederbach, DE;
Martin Schneider, Hochheim, DE;
Joachim Berthold, Grassau, DE;
Bernd Lothar Marczinke, Römerberg, DE;
Basell Polyolefine GmbH, Wesseling, DE;
Abstract
A solid catalyst component comprising the product of a process comprising (a) reacting a magnesium alcoholate of formula Mg(OR)(OR) compound, in which Rand Rare identical or different and are each an alkyl radical having 1 to 10 carbon atoms, with titanium tetrachloride carried out in a hydrocarbon at a temperature of 50-100° C., (b) subjecting the reaction mixture obtained in (a) to a heat treatment at a temperature of 110° C. to 200° C. for a time ranging from 3 to 25 hours (c) isolating and washing with a hydrocarbon the solid obtained in (b), said solid catalyst component having a Cl/Ti molar ratio higher than 2.5.