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:
Dec. 13, 2022
Filed:
Jan. 02, 2018
Applicant:
Basell Polyolefine Gmbh, Wesseling, DE;
Inventors:
Peter Rohrbach, Ingolstadt, DE;
Juergen Perzlmeier, Neustadt/Donau, DE;
Assignee:
Basell Polyolefine GmbH, Wesseling, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/01 (2006.01); B01J 8/18 (2006.01); B01J 19/24 (2006.01); C08F 2/00 (2006.01); C08F 2/14 (2006.01); C08F 10/02 (2006.01);
U.S. Cl.
CPC ...
C08F 2/01 (2013.01); B01J 8/1818 (2013.01); B01J 19/245 (2013.01); C08F 2/001 (2013.01); C08F 2/14 (2013.01); C08F 10/02 (2013.01);
Abstract
A slurry polymerization process for the preparation of polyethylene in a reactor cascade of two or more polymerization reactors wherein monomers are polymerized in the polymerization reactors which include a reactor outlet arranged in each reactor bottom for feeding a reactor slurry to a subsequent polymerization reactor and for emptying the polymerization reactor.