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:
Mar. 20, 1979
Filed:
Aug. 01, 1977
Applicant:
Inventors:
Takashi Ohashi, Iruma, JP;
Toru Okuyama, Sagamihara, JP;
Katsuhiko Arai, Kodaira, JP;
Yoshiko Taniguchi, Higashi-Murayama, JP;
Masumi Saito, Tanashi, JP;
Ryozo Sakata, Higashi-Yamato, JP;
Assignee:
Bridgestone Tire Company Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521112 ; 521167 ; 521903 ;
Abstract
An excellent flame- and smoke-retardant non-shrinkable polyurethane foam is prepared by reacting a polyhydroxyl compound consisting of