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:
May. 18, 2010
Filed:
Mar. 16, 2006
Ichirou Ogura, Ichihara, JP;
Kunihiro Morinaga, Ichihara, JP;
Kazuo Arita, Ichihara, JP;
Yutaka Sato, Sakura, JP;
Ichirou Ogura, Ichihara, JP;
Kunihiro Morinaga, Ichihara, JP;
Kazuo Arita, Ichihara, JP;
Yutaka Sato, Sakura, JP;
Dainippon Ink and Chemicals, Inc., Tokyo, JP;
Abstract
The present invention relates to a composition containing as a main component, an epoxy resin which has a structure comprising a polyaryleneoxy structure such as polynaphthylene oxide as a main skeleton, (methyl)glycidyloxy group and aralkyl group being introduced on an aromatic ring of the polyaryleneoxy structure, and which has low viscosity, according to the present invention, there can be provided an epoxy resin composition which can impart remarkably excellent flame retardancy and dielectric characteristics to a cured article and a cured article thereof, an epoxy resin, a phenol resin as an intermediate of the epoxy resin, and a method for producing the epoxy resin.