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. 11, 1994
Filed:
Jun. 28, 1991
Applicant:
Inventors:
Takeshi Yatsuka, Otsu, JP;
Haruo Asai, Otsu, JP;
Haruhiko Narusawa, Otsu, JP;
Yasunobu Sugyo, Otsu, JP;
Hiroshi Fujimoto, Otsu, JP;
Assignee:
Toyo Boseki Kabushiki Kaisha, Osaka, US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
528 74 ; 528 49 ; 528905 ; 521172 ; 525456 ;
Abstract
A polyurethane resin composition containing a polyurethane resin composed of a high molecular weight polyol having a molecular weight of not less than 500, an organic polyisocyanate and optionally a compound having at least 2 active hydrogen-containing groups is disclosed. Not less than 30% by weight of the high molecular weight polyol is a polyester polyol, and the polyester polyol contains at least one tricyclic molecular skeleton in the molecular chain thereof in an amount of not less than 20 mole % based on total acid or glycol components.