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. 19, 2015
Filed:
Jul. 01, 2011
Dominique Robert, Dinslaken, DE;
Julia Hufen, Rheinberg, DE;
Kerstin Lüdtke, Markkleeberg, DE;
Jens Ehlers, Hamminkeln, DE;
Dominique Robert, Dinslaken, DE;
Julia Hufen, Rheinberg, DE;
Kerstin Lüdtke, Markkleeberg, DE;
Jens Ehlers, Hamminkeln, DE;
TICONA GMBH, Sulzbach, DE;
Abstract
In a process for producing polyethylene having a molecular weight of at least 3×105 g/mol as determined by ASTM 4020, ethylene is contacted under polymerization conditions with a slurry of a catalyst composition in at least one hydrocarbon. The catalyst composition comprises a Group 4 metal complex of a phenolate ether ligand and the slurry includes from about 5 to less than 40 ppm per liter of a compound effective to increase the conductivity of said at least one hydrocarbon.