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:
Oct. 07, 1980
Filed:
Oct. 24, 1978
Applicant:
Inventors:
Toshio Yukuta, Yokohama, JP;
Hiroya Fukuda, Yokohama, JP;
Seiji Ishii, Yokohama, JP;
Kazuo Utsumi, Yokohama, JP;
Assignee:
Bridgestone Tire Company Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
521107 ; 521128 ;
Abstract
Flexible urethane foams having a low density and capable of preventing spontaneous combustion during production and storage are produced by compounding 5.0-12.0 parts by weight based on 100 parts by weight of polyhydroxylcompounds, of water and not less than 0.1 part by weight of aromatic amine antioxidant, further preferably not less than 0.01 part by weight of phosphorous acid triesters in the usual combination of polyhydroxyl compounds, polyisocyanates, water, catalysts, surfactants, foaming agent and other additives.