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. 17, 1990
Filed:
Oct. 20, 1988
Applicant:
Inventors:
Takeshi Yatsuka, Osaka, JP;
Seiji Yamazoe, Osaka, JP;
Hiroshi Hirakouchi, Osaka, JP;
Yutaka Mizumura, Osaka, JP;
Hiroshi Endo, Sagamihara, JP;
Nobuo Kadowaki, Sagamihara, JP;
Assignees:
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528272 ; 528288 ; 528296 ; 528297 ; 528299 ; 528302 ; 528308 ; 5283087 ; 428245 ; 428246 ; 428256 ; 428458 ; 428924 ; 525438 ; 525440 ; 525454 ; 252 62 ;
Abstract
The use of an amorphous block copolyester resin as a viscoelastic resin for a composite vibration damping material, and a viscoelastic resin composition for a composite vibration damping material which comprises the amorphous block copolyester resin and at least one compound selected from the group consisting of polyepoxy compounds, polyisocyanate compounds and acid anhydrides.