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:
Assignee:
Nippon Polyurethane Industry Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 53 ; 528 54 ; 264257 ; 2643281 ; 2643282 ; 2643286 ; 4284228 ;
Abstract
A method for preparing a polyisocyanurate composite obtained by injecting a formulated liquid comprises an organic polyisocyanate, a polyol and a trimerization catalyst into a mold in which a fibrous reinforcing material is previously set by use of a reaction injection molding machine, wherein: