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:
Apr. 22, 2014
Filed:
Jun. 20, 2006
Applicants:
Rainer B. Frings, Berlin, DE;
Toshihiro Ooki, Takaishi, JP;
Yasuhiro Takada, Takaishi, JP;
Hitoshi Hayakawa, Sakura, JP;
Inventors:
Rainer B. Frings, Berlin, DE;
Toshihiro Ooki, Takaishi, JP;
Yasuhiro Takada, Takaishi, JP;
Hitoshi Hayakawa, Sakura, JP;
Assignee:
DIC Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 18/48 (2006.01); C08G 65/26 (2006.01); C08G 18/72 (2006.01); C08G 65/22 (2006.01); C08G 65/18 (2006.01); C08L 75/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hyperbranched polyether polyol obtained by a ring-opening reaction between a hydroxyalkyloxetane (a1) and a monofunctional epoxy compound (a2), wherein the polyether polyol includes a primary hydroxyl group (H1) and a secondary hydroxyl group (H2) in the molecular structure thereof, and has a number average molecular weight (Mn) of 1,000 to 4,000 and a hydroxyl value of 150 to 350 mg·KOH/g.