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:
Jun. 26, 2001
Filed:
Feb. 26, 1999
Applicant:
Inventors:
Shirou Kojima, Tokyo, JP;
Katsunobu Mochizuki, Tokyo, JP;
Assignee:
Unichema Chemie B.V., Gouda, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 6/366 ;
U.S. Cl.
CPC ...
C08G 6/366 ;
Abstract
Polyether polyol having the following chemical formula (1): HO—(AO),ZO—(BO),—H, which is suitable for the manufacture of polyester, polyurethane elastomer and polyurethane paint showing an excellent hydrolysis resistance is disclosed. In this formula, Z is a dimer diol residue; A and B are the same or different alkylene groups having 2-4 carbon atoms; and m and n are the same or different integers of 0 or more where 2≦(m+n)≦40. Also disclosed is a method for the manufacture of mouldable polyester containing the above-mentioned polyether polyol as one of the constituting units.