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. 13, 1998
Filed:
Mar. 12, 1997
Shoichiro Harada, Wakayama, JP;
Mitsuru Sakai, Wakayama, JP;
Kazunari Takemura, Wakayama, JP;
Akito Itoi, Wakayama, JP;
Makoto Okubo, Wakayama, JP;
Kao Corporation, Tokyo, JP;
Abstract
A polyester-polyol prepared by polycondensation of an acid component comprising terephthalic acid and adipic acid, and a polyhydric alcohol component, wherein the molar ratio of the terephthalic acid/adipic acid is 0.05 to 0.3; a process for preparing a polyurethane foam comprising reacting a polyisocyanate component and a polyol component, wherein the polyol component contains the above polyester-polyol; and a process for preparing a polyurethane foam comprising reacting an isocyanate prepolymer made of a polyisocyanate component and a polyol component (I) with a polyol component (II), wherein the polyol component (I) comprises the above polyester-polyol.