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:
Jan. 25, 2005
Filed:
Aug. 20, 2002
Hajime Nishihara, Yokohama, JP;
Hajime Nishihara, Yokohama, JP;
Asahi Kasei Kabushiki Kaisha, Osaka, JP;
Abstract
An elastomer composition comprising a softening agent (A) comprising a naphthenic hydrocarbon and optionally at least one selected from the group consisting of an aromatic hydrocarbon and a paraffinic hydrocarbon, and an elastomer (B) comprising a crosslinkable elastomer, wherein said softening agent (A) has a ratio of an amount of the paraffinic hydrocarbon Cand an amount of the naphthenic hydrocarbon C, C/CN, which are specified by ASTM D2140-97, of not less than 0 and not more than 1.5, and an amount of the aromatic hydrocarbon Cof not less than 0% and not more than 5% based on an amount of hydrocarbons in the whole softening agent.