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:
Feb. 16, 2010
Filed:
Oct. 10, 2006
Volker Seidl, Mannheim, DE;
Carolin Nadine Duecker, Ludwigshafen, DE;
Alexandra Wiedemann, Bobenheim, DE;
Thomas Wettling, Limburgerhof, DE;
Uwe Rachwalsky, Ludwigshafen, DE;
Marco-christian Volland, Neuhofen, DE;
Martin Karches, Neustadt, DE;
Franz Weber, Eppelheim, DE;
Dieter Stuetzer, Dudenhofen, DE;
Werner Bochnitschek, Ludwigshafen, DE;
Volker Seidl, Mannheim, DE;
Carolin Nadine Duecker, Ludwigshafen, DE;
Alexandra Wiedemann, Bobenheim, DE;
Thomas Wettling, Limburgerhof, DE;
Uwe Rachwalsky, Ludwigshafen, DE;
Marco-Christian Volland, Neuhofen, DE;
Martin Karches, Neustadt, DE;
Franz Weber, Eppelheim, DE;
Dieter Stuetzer, Dudenhofen, DE;
Werner Bochnitschek, Ludwigshafen, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
The present invention relates to a process for preparing polyisobutene by polymerizing isobutene using an inert diluent and a halogen-containing Lewis acid as a catalyst, wherein the isobutene in the form of droplets is contacted with the Lewis acid in a polymerization apparatus.