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. 08, 2018
Filed:
Feb. 12, 2013
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Thomas Wettling, Limburgerhof, DE;
Stefan Hirsch, Neustadt, DE;
Markus Brym, Limburgerhof, DE;
Markus Weis, Roemerberg, DE;
Rosa Corberan Roc, Mannheim, DE;
Klaus Muehlbach, Gruenstadt, DE;
Robert Haschick, Mannheim, DE;
Andreas Daiss, Ludwigshafen, DE;
Marco-Christian Volland, Neuhofen, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08F 110/10 (2006.01); C08F 4/52 (2006.01); C08F 4/70 (2006.01);
U.S. Cl.
CPC ...
C08F 4/52 (2013.01); C08F 4/70 (2013.01); C08F 110/10 (2013.01);
Abstract
Preparation of isobutene homopolymers having a weight-average molecular weight of 75 000 to 10 000 000 by polymerization of isobutene, by