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:
Feb. 22, 1994
Filed:
Aug. 22, 1991
Applicant:
Inventors:
Hiroshi Hirakouchi, Otsu, JP;
Masanori Nakamura, Otsu, JP;
Takeshi Yatsuka, Otsu, JP;
Nobuo Kadowaki, Futtsu, JP;
Hiroshi Endoh, Futtsu, JP;
Yoshimasa Zama, Futtsu, JP;
Assignees:
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525438 ; 525440 ; 525454 ;
Abstract
There is disclosed a viscoelastic resin composition for vibration damping material containing as essential components a polyester resin having a molecular weight of 5,000 to 50,000 and an acid value of 50 to 500 equivalents/10.sup.6 g, at least 80 mol % of the polycarboxylic acid component of which is an aromatic dicarboxylic acid and, at least 30 mol % of the polyol component of which is a compound of the formula (I):