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. 13, 2021
Filed:
May. 25, 2017
Mitsubishi Gas Chemical Company, Inc., Chiyoda-ku, JP;
Taketo Ikeno, Niigata, JP;
Umi Yokobori, Niigata, JP;
Hideyuki Sato, Niigata, JP;
Ryuji Hasemi, Niigata, JP;
MITSUBISHI GAS CHEMICAL COMPANY, INC., Chiyoda-ku, JP;
Abstract
Provided is a urethane (meth)acrylate capable of achieving high strength and high elongation, as well as a method for manufacturing a urethane (meth)acrylate, a curable composition, a cured article, and a method for manufacturing a cured article. The urethane (meth)acrylate contains a structural unit derived from polycarbonate diol, a structural unit derived from polyisocyanate, and a hydroxy group-containing (meth)acrylate-derived group, the polycarbonate diol containing one or more types of structural unit represented by formula (1) wherein each of R, R, Rand Rindependently represents an aliphatic hydrocarbon group having 1 to 6 carbon atoms.