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:
Mar. 15, 2016
Filed:
Feb. 17, 2011
Applicants:
Heike Kloppenburg, Düsseldorf, DE;
Thomas Gross, Wülfrath, DE;
Inventors:
Heike Kloppenburg, Düsseldorf, DE;
Thomas Gross, Wülfrath, DE;
Assignee:
LANXESS Deutschland GmbH, Cologne, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 36/06 (2006.01); C08F 4/52 (2006.01); A63B 37/00 (2006.01); B60C 1/00 (2006.01); C08F 136/06 (2006.01);
U.S. Cl.
CPC ...
C08F 4/52 (2013.01); A63B 37/0003 (2013.01); B60C 1/00 (2013.01); C08F 36/06 (2013.01); C08F 136/06 (2013.01); A63B 2209/00 (2013.01);
Abstract
The invention relates to a high molecular weight bimodal neodymium-catalysed polybutadiene having a high proportion, >95%, of cis-1,4 units and a low proportion, <1%, of 1,2-vinyl content, wherein the polybutadiene has a linear polymeric main fraction and a long chain branched polymeric fraction, wherein the slope in the RGM relationship is >0.5 for the polymeric main fraction and <0.3 for the long chain branched polymeric fraction.