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. 22, 2013
Filed:
Nov. 11, 2008
Takuya Minezaki, Kanagawa, JP;
Takeo Hayashi, Kanagawa, JP;
Satoshi Yoshinaka, Kanagawa, JP;
Kazuaki Mukasa, Kanagawa, JP;
Takuya Minezaki, Kanagawa, JP;
Takeo Hayashi, Kanagawa, JP;
Satoshi Yoshinaka, Kanagawa, JP;
Kazuaki Mukasa, Kanagawa, JP;
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Abstract
A resin composition for a vibration damping material, comprising a polyester resin mainly formed of a dicarboxylic acid constitutional unit and a diol constitutional unit; and a filler, in which the polyester resin contains: a dicarboxylic acid constitutional unit (A) mainly derived from an aromatic dicarboxylic acid, in particular, isophthalic acid; a diol constitutional unit (B) mainly derived from ethylene glycol; and a constitutional unit (C) formed of an aliphatic dicarboxylic acid, an aliphatic diol, and/or an aliphatic hydroxycarboxylic acid each having 5 or more carbon atoms, and the resin composition contains, as the filler, a flake-like or plate-like filler (D) and a filler (E) made of a particulate metal oxide.