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:
Nov. 03, 1987
Filed:
Oct. 10, 1986
Applicant:
Inventors:
Yukiatsu Komiya, Kurashiki, JP;
Koji Hirai, Kurashiki, JP;
Assignee:
Kuraray Co., Ltd., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 49 ; 528 73 ; 528 83 ;
Abstract
Novel polyurethane compositions having excellent bond strength, thermal resistance and resistance to hot water are provided by a polymeric polyol and an organic polyisocyanate at a hydroxyl group/isocyanate group equivalent ratio (NCO/OH) of 1 to 10, wherein said polymeric polyol is a polyurethane polyol prepared from a polyester polyol and an organic diisocyanate, said polyurethane polyol having a number average molecular weight of 3,000 to 50,000, said polyester polyol being composed of the following structural unit