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.:

US 8415432 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 09, 2013

Filed:

Dec. 21, 2011
Applicants:

Ralf Mruk, Lipperscheid, LU;

Frank Schmitz, Bissen, LU;

Robert Fokko Roskamp, Trier, DE;

Alexandra Hermann, Mainz, DE;

Rudolf Wilhelm Zentel, Nierstein, DE;

Inventors:

Ralf Mruk, Lipperscheid, LU;

Frank Schmitz, Bissen, LU;

Robert Fokko Roskamp, Trier, DE;

Alexandra Hermann, Mainz, DE;

Rudolf Wilhelm Zentel, Nierstein, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 9/00 (2006.01); C08L 9/02 (2006.01); C08L 23/00 (2006.01); C08L 25/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention is directed to a vulcanizable rubber composition comprising: a diene based elastomer; and a compound of formula I where Q is an n-valent organic group of 1 or more carbon atoms and optionally one or more of nitrogen, oxygen, sulfur, halogen, silicon, and phosphorus atoms;X is a divalent polymer group capable of exhibiting a lower critical solution temperature;R is independently a hydrogen atom or a monovalent group of formula (II) where Z is a monovalent organic group of 1 or more carbon atoms and optionally one or more of nitrogen, oxygen, sulfur, halogen, silicon, and phosphorus atoms; andn is an integer greater than or equal to 2. The invention is further directed to a rubber composition comprising the reaction product of a diene based elastomer and a compound of formula I, and a pneumatic tire with a tread comprising the rubber composition.


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