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:
Oct. 20, 2020
Filed:
Jun. 17, 2019
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Yukari Tomisaki, Kobe, JP;
Ryoji Kojima, Kobe, JP;
Tsuyoshi Tsuchida, Kobe, JP;
Ayaka Kitaou, Kobe, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;
Abstract
Provided are a polymer ready for introduction into a kneading machine which is milled with good milling efficiency in a kneading machine and which provides a kneaded mixture with excellent filler dispersion, and a rubber composition and a pneumatic tire containing the polymer. The present invention relates to a polymer ready for introduction into a kneading machine, excluding natural rubber, the polymer having a temperature within the range of −20° C. to 80° C. and satisfying the following formula (I):(Tip clearanceof kneading machine)≤(Volumeof polymer ready for introduction into kneading machine)≤2.0×10cm  (I).