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:
Aug. 23, 2022
Filed:
Oct. 23, 2018
Applicant:
Borealis Ag, Vienna, AT;
Inventors:
Shital Das, Helsinki, FI;
Kauno Alastalo, Porvoo, FI;
Assignee:
BOREALIS AG, Vienna, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 210/16 (2006.01); C08F 2/34 (2006.01); B01J 19/24 (2006.01);
U.S. Cl.
CPC ...
C08F 210/16 (2013.01); B01J 19/245 (2013.01); B01J 19/2445 (2013.01); B01J 19/2455 (2013.01); B01J 2219/0004 (2013.01); B01J 2219/00038 (2013.01);
Abstract
The present invention relates to multi reactor configurations for producing polypropylene copolymers and to processes for producing polypropylene copolymers. The reactor configuration for the production of propylene copolymers comprises at least three reactors R, Rand R, all reactors having inlet and outlet, whereby reactors Rand Rare configured in parallel both downstream of reactor R; and whereby reactor Ris configured in series and upstream of reactors Rand R, and whereby the outlet of reactor Ris coupled with the inlets of both reactors Rand R