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. 27, 2017
Filed:
Jul. 07, 2014
Applicant:
Basf SE, Ludwigshafen, DE;
Inventors:
Thomas Wettling, Limburgerhof, DE;
Stefan Hirsch, Neustadt, DE;
Markus Brym, Limburgerhof, DE;
Markus Weis, Ludwigshafen, DE;
Assignee:
BASF SE, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08F 110/10 (2006.01); C08F 210/10 (2006.01); C08F 8/00 (2006.01); C08F 8/28 (2006.01); C08F 8/30 (2006.01); C08F 8/32 (2006.01); C08F 8/46 (2006.01);
U.S. Cl.
CPC ...
C08F 110/10 (2013.01); C08F 8/00 (2013.01); C08F 8/28 (2013.01); C08F 8/30 (2013.01); C08F 8/32 (2013.01); C08F 8/46 (2013.01); C08F 210/10 (2013.01); C08F 2800/20 (2013.01);
Abstract
A polyisobutylene having a total content of vinylidene double bonds of more than 50 mol % and a number-average molecular weight of 500 to 10 000 daltons, where at least 10% of all the vinylidene double bonds in the polyisobutylene are part of one or more side chains composed of at least 2 carbon atoms from the main polyisobutylene chain. Such a polyisobutylene is suitable for production of fuel and lubricant additives.