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:
Nov. 07, 2006
Filed:
Dec. 11, 2001
Applicants:
Stephan Hüffer, Ludwigshafen, DE;
Hans Peter Rath, Grünstadt, DE;
Gabriele Lang, Mannheim, DE;
Inventors:
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08F 10/10 (2006.01); C08F 210/10 (2006.01); C08F 4/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a process for the polymerization of isobutene or mixtures of isobutene with ethylenically unsaturated comonomers under the conditions of living cationic polymerization, the initiator system additionally comprises at least one nonpolymerizable, aprotic organosilicon compound having at least one Si—O bond.