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:
Dec. 10, 1991
Filed:
Feb. 15, 1990
Applicant:
Inventors:
Shigeru Nakagawa, Yokohama, JP;
Kiyofumi Murayama, Miura, JP;
Yukio Ohbuchi, Yokohama, JP;
Yamagata Tomoyuki, Zama, JP;
Assignee:
Nippon Polyurethane Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521137 ; 521160 ; 521161 ; 528 44 ; 528 52 ; 528 53 ; 528 67 ; 524584 ; 524586 ; 428 341 ; 428632 ;
Abstract
A polyurethane elastomer produced by reaction of a polyisocyanate with an amine-type polyol and another type polyol, the polyisocyanate being an isocyanurate-modified hexamethyelene diisocyanate; and the equivalent ratio of active hydrogen to isocyanate group to be reacted being in a range of from 0.8 to 1.6; and the ratio of the amine-type polyol to the another type polyol being in a range of from 10/90 to 100/0 by weight.