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:
Feb. 04, 2025
Filed:
Jul. 22, 2020
Applicant:
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Inventors:
Shogo Sumitani, Tokyo, JP;
Kenta Hisamura, Tokyo, JP;
Shinichi Sekikawa, Tokyo, JP;
Miki Kyo, Tokyo, JP;
Shuri Tobo, Tokyo, JP;
Assignee:
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 236/10 (2006.01); B60C 1/00 (2006.01); C08C 19/22 (2006.01); C08C 19/25 (2006.01);
U.S. Cl.
CPC ...
C08F 236/10 (2013.01); B60C 1/00 (2013.01); C08C 19/22 (2013.01); C08C 19/25 (2013.01);
Abstract
A conjugated diene-based polymer of the present invention has a branch number (Bn) measured by viscosity detector-equipped GPC-light scattering measurement of 8 or more, has a change (ΔT) of an oxidation onset temperature caused through application of a thermal load of 11.9° C. or less, and contains an aromatic vinyl compound monomer unit.