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:
Dec. 12, 2017
Filed:
Aug. 31, 2011
Kousuke Fujiyama, Otake, JP;
Akikazu Matsumoto, Otake, JP;
Yasuhiko Nabeshima, Otake, JP;
Mitsubishi Chemical Corporation, Tokyo, JP;
Abstract
An acrylic composition, which has excellent flexibility at low temperature and can form a formed body whose adhesion at room temperature is suppressed, the formed body of the acrylic composition, a key sheet of a mobile telephone, and a light guide obtained from the formed body are provided. The acrylic composition contains specific long chain di(meth)acrylate (A) and mono(meth)acrylate (B), and the glass-transformation temperature (TgDMS) of the polymer of the acrylic composition is 40° C. or less. The formed body is obtained by polymerization of the acrylic composition, and the key sheet of the mobile telephone and the light guide are obtained from the formed body.