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. 19, 2013
Filed:
May. 21, 2008
Katsumi Murofushi, Minato-ku, JP;
Nobuaki Ishii, Minato-ku, JP;
Miyuki Tomita, Minato-ku, JP;
Yotaro Hattori, Minato-ku, JP;
Yoshifumi Urakawa, Minato-ku, JP;
Katsumi Murofushi, Minato-ku, JP;
Nobuaki Ishii, Minato-ku, JP;
Miyuki Tomita, Minato-ku, JP;
Yotaro Hattori, Minato-ku, JP;
Yoshifumi Urakawa, Minato-ku, JP;
Showa Denko K.K., Tokyo, JP;
Abstract
An object of the present invention is to provide a reactive urethane compound having superior curability, adhesion to substrates, transparency, molecular flexibility, and mechanical properties, a curable composition containing the compound, and a cured material formed from the composition. An ethylenically-unsaturated-group containing reactive urethane compound of the present invention is represented by formula (I): wherein Rand Rare each independently a hydrogen atom or an alkylene group; Ris a hydrogen atom, a alkyl group, or an aryl group; Ris a single bond or an alkylene group; Ris a hydrogen atom or a methyl group; Ris an oxygen atom, a sulfur atom, or an imino group; n is 2 to 12; m is 1 to 300; and X is an aliphatic, aromatic or heterocyclic compound residue.