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. 01, 1981
Filed:
Nov. 16, 1979
Applicant:
Inventors:
Assignee:
Bridgestone Tire Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521 52 ; 280 / ; 521126 ; 521127 ; 521129 ; 521130 ; 521157 ; 521174 ; 521914 ;
Abstract
A safety fuel tank for automobiles and the vehicles, wherein substantially skeletal reticulated flexible polyurethane foam is integrally foamed, is produced by reacting a mixture of (a) poly(oxypropylene-oxyethylene)polyetherpolyol having 51-98% by weight of ethylene oxide component and (b) poly(oxypropylene-oxyethylene)polyetherpolyol having not less than 51% by weight of propylene oxide component as the polyhydroxyl compound with an organic polyisocyanate in the presence of a catalyst, a foaming agent, a surfactant and an additive in a fuel tank.