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. 30, 1993
Filed:
Oct. 31, 1990
Applicant:
Inventors:
Masayuki Kimura, Kanagawa, JP;
Satoshi Ozaki, Aichi, JP;
Tsukuru Izukawa, Aichi, JP;
Haruhiko Kawakami, Aichi, JP;
Takayoshi Masuda, Aichi, JP;
Mitsugu Kita, Aichi, JP;
Assignee:
Mitsui Toatsu Chemicals, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C08L / ;
U.S. Cl.
CPC ...
52164 ; 521171 ; 521173 ; 521174 ; 521180 ; 521181 ; 521185 ; 525504 ; 528 77 ; 528 78 ; 528 79 ; 25218225 ;
Abstract
A polyurethane resin, rigid polyurethane foam and composite thereof prepared by using a polyol comprising a phenol resin base polyol mixed with an aminophenol base polyol or a polyphenylpolyxylylenepolyamine base polyol or a polymethylenepolyphenylpolyamine base polyol.