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. 09, 2010
Filed:
Aug. 03, 2006
Kazunori Nakao, Otake, JP;
Nobuyuki Watanabe, Otake, JP;
Kazunori Nakao, Otake, JP;
Nobuyuki Watanabe, Otake, JP;
Daicel Chemical Industries, Ltd., Osaka-shi, JP;
Abstract
To prepare a polyester polyol in which a lactone is ring-opening addition polymerized with the compound represented by formula (I). (wherein each of Aand Arepresents an alkylene group having not less than 2 carbon atoms, Arepresents an alkylene group, X represents a cationic component, and each of n and m represents an integer of not less than 1.) The polyester polyol has a high hydrophilic group and high solubility in a solvent (particularly, a low-boiling organic solvent used in the production of a polyurethane) and can design an aqueous polyurethane desirably and produce the aqueous polyurethane.