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. 22, 1987
Filed:
Nov. 04, 1986
Applicant:
Inventors:
Harumasa Yamasaki, Wakayama, JP;
Masayoshi Morii, Naga, JP;
Yukinaga Yokota, Sennan, JP;
Akira Mamada, Wakayama, JP;
Yoshiyuki Nabata, Wakayama, JP;
Assignee:
Kao Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521163 ; 521115 ; 521118 ; 521164 ; 528 49 ;
Abstract
A polyurethane is prepared with use of a catalyst comprising a compound having the formula: ##STR1## in which n is an integer of 2 to 12, A is a hydrogen or a group of --CH.sub.2 CHRCH.sub.2 NH.sub.2 and R is hdyrogen or methyl, provided that n is 6 when A is hydrogen. The compound scarcely smells and does not elute out of the polyurethane article. The process is easy to control.