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. 08, 2014
Filed:
Apr. 30, 2010
Takayoshi Otomo, Chiba, JP;
Yuichi Tsuji, Chiba, JP;
Katsumi Kihara, Ichikawa, JP;
Hidekazu Saito, Fuwa-gun, JP;
Yoshihiro Yamana, Tokyo, JP;
Kazumasa Hattori, Kamisu, JP;
Takayoshi Otomo, Chiba, JP;
Yuichi Tsuji, Chiba, JP;
Katsumi Kihara, Ichikawa, JP;
Hidekazu Saito, Fuwa-gun, JP;
Yoshihiro Yamana, Tokyo, JP;
Kazumasa Hattori, Kamisu, JP;
Dow Corning Toray Co., Ltd., Chiyoda-Ku, Tokyo, JP;
Abstract
The present invention provides a polyurethane which is non-sticky, exhibits superior handling properties and superior moldability, and has superior adhesive properties with silicones even if a surface activation treatment is not carried out beforehand. The polyurethane of the present invention contains polyol units and organic polyisocyanate units. The polyol units contain an alkenyl group-containing organopolysiloxane structure in an amount ranging from 0.01 to 20% by weight with respect to the weight of the aforementioned polyurethane.