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:
Jun. 26, 2001
Filed:
Mar. 16, 1998
Applicant:
Inventors:
Robert Rupaner, Ellerstadt, DE;
Sven Lawrenz, Mannheim, DE;
Gerhard Bauer, Weinheim, DE;
Johannes Dobbelaar, Wachenheim, DE;
Jürgen Nahstoll, Eisenberg, DE;
Franz-Josef Mueseler, Neustadt, DE;
Axel Ferber, Worms, DE;
Jürgen Hartmann, Frankenthal, DE;
Peter Keller, Hirschberg, DE;
Martin Meister, Neustadt, DE;
Josef Neutzner, Neustadt, DE;
Gerd Rehmer, Beindersheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/01 ;
U.S. Cl.
CPC ...
C08F 2/01 ;
Abstract
At least one single-stage or multistage stirrer which produces not only a tangential flow component but also an axial flow field is used in a stirred-vessel reactor in connection with the preparation of polymers by liquid phase polymerization.