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:
Jun. 23, 2015
Filed:
May. 22, 2008
Daisuke Ohno, Tokyo, JP;
Kenji Ishii, Tokyo, JP;
Daisuke Ohno, Tokyo, JP;
Kenji Ishii, Tokyo, JP;
MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;
Abstract
A curable resin composition containing a specific vinyl compound obtained by vinylation of a terminal of a bifunctional phenylene ether oligomer having a polyphenylene ether structure in a molecule and a specific bismaleimide compound having at least two maleimide groups in a molecule, a curable film comprising the above composition, a cured product obtained by curing the above composition, and a film obtained by curing the curable film. The above resin composition is excellent in curability even in the presence of oxygen, is curable at a low temperature and is capable of giving a cured product having a low dielectric constant, a low dielectric loss tangent, high heat resistance, excellent mechanical properties, excellent chemical resistance and excellent flame retardancy.