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:
Sep. 03, 2002
Filed:
Aug. 14, 2000
Applicant:
Inventors:
Christian Schade, Ludwigshafen, DE;
Wolfgang Fischer, Walldorf, DE;
Hermann Gausepohl, Mutterstadt, DE;
Rainer Klostermann, Ketsch, DE;
Volker Warzelhan, Weisenheim, DE;
Michel Fontanille, Talence, DE;
Alain Deffieux, Talence-Cedex, DE;
Philippe Desbois, Maikammer, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/52 ; C08F 1/204 ; C08F / ;
U.S. Cl.
CPC ...
C08F 4/52 ; C08F 1/204 ; C08F / ;
Abstract
In a process for the homopolymerization of vinylaromatic monomers or the copolymerization of vinylaromatic monomers and dienes, the monomers are polymerized in the presence of at least one alkali metal organyl, at least one magnesium organyl and at least one aluminum organyl. The invention also provides an initiator composition for carrying out the process.