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:
Jan. 22, 2019
Filed:
Dec. 20, 2013
Applicant:
Borealis Ag, Vienna, AT;
Inventors:
Assignee:
Borealis AG, , AT;
Primary Examiner:
Int. Cl.
CPC ...
B01J 31/00 (2006.01); C08F 4/44 (2006.01); C08F 2/00 (2006.01); C08F 110/02 (2006.01); C08F 10/02 (2006.01);
U.S. Cl.
CPC ...
C08F 10/02 (2013.01);
Abstract
Process for the preparation of a particulate Group 2 metal/transition metal polymerization catalyst component for ethylene polymerization comprising a special bi-(oxygen containing ring) compound as internal donor, and to the use of such a catalyst component for preparing a catalyst used in the polymerization of ethylene.