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:
Jul. 02, 2024
Filed:
Jun. 21, 2019
Kuraray Co., Ltd., Okayama, JP;
Yosuke Uehara, Tokyo, JP;
Kei Hirata, Tokyo, JP;
KURARAY CO., LTD., Okayama, JP;
Abstract
The invention provides a peroxide crosslinkable rubber composition including a hydrogenated nitrile rubber that is enhanced in scorch stability without deterioration in superior characteristics of crosslinked products of the composition. The invention also provides a crosslinked product of such a rubber composition. The rubber composition includes 100 parts by mass of a hydrogenated nitrile rubber (A), 5 to 100 parts by mass of a filler (B), 1 to 10 parts by mass of an organic peroxide (C), and 1 to 20 parts by mass of a liquid diene rubber (D) having a polystyrene-equivalent weight average molecular weight of 3,000 to 120,000 as measured by gel permeation chromatography (GPC).