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. 14, 2006
Filed:
Jul. 30, 2003
Applicants:
Yoshiyuki Asahina, Tokyo, JP;
Hironori Katagawa, Yokohama, JP;
Inventors:
Yoshiyuki Asahina, Tokyo, JP;
Hironori Katagawa, Yokohama, JP;
Assignee:
Asahi Kasei Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 3/00 (2006.01); C08K 3/20 (2006.01); C08L 75/00 (2006.01); C08F 8/30 (2006.01); B05D 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides an aqueous urethane polyol comprising a hydroxyl group, a urethane group and a hydrophilic groups in a molecule, wherein: an average number of hydroxyl group is 3 to 20; a hydroxyl value is 10 to 200 (mg KOH/g); an equivalent ratio of (urethane group)/(hydroxyl group+hydrophilic group) is 1 to 2; and a number average molecular weight is 1,000 to 20,000.