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. 05, 2019
Filed:
Sep. 20, 2017
Applicant:
The Yokohama Rubber Co., Ltd., Minato-ku, Tokyo, JP;
Inventor:
Koki Sugihara, Hiratsuka, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 23/08 (2006.01); C08K 5/37 (2006.01); C08K 3/02 (2006.01); F16L 11/08 (2006.01); C08L 23/16 (2006.01); F16L 11/04 (2006.01);
U.S. Cl.
CPC ...
C08L 23/16 (2013.01); C08K 3/02 (2013.01); C08K 5/37 (2013.01); C08L 23/08 (2013.01); C08L 23/0815 (2013.01); C08L 2205/02 (2013.01); F16L 11/04 (2013.01); F16L 11/085 (2013.01);
Abstract
A rubber composition for a hose of the present technology contains: an ethylene-propylene copolymer having an ethylene content of 40 mass % or greater but less than 60 mass %; an ethylene-1-butene copolymer; and carbon black having a nitrogen adsorption specific surface area of 17 to 52 m/g; a mass ratio of the ethylene-1-butene copolymer to the ethylene-propylene copolymer (ethylene-1-butene copolymer/ethylene-propylene copolymer) being from 10/90 to 90/10.