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:
Sep. 24, 2019
Filed:
Jan. 26, 2016
Adeka Corporation, Tokyo, JP;
Takeshi Endo, Fukuoka, JP;
Kozo Matsumoto, Fukuoka, JP;
Ken-ichi Tamaso, Saitama, JP;
Chihiro Asakura, Saitama, JP;
Ryo Ogawa, Saitama, JP;
ADEKA CORPORATION, Tokyo, JP;
Abstract
A flame-retardant epoxy resin composition wherein (A) epoxy resin, (B) a curing agent and (C) a phosphorous-containing compound expressed by the following general formula (1) are contained; a prepreg using the same and a laminated plate using said prepreg; wherein m expresses an integer from 2 to 10, Rand Reach independently express an alkyl group or an aryl group, Rexpresses a hydrocarbon group that may contain an oxygen atom, a sulfur atom or a nitrogen atom, X expresses an oxygen atom or a sulfur atom, Y expresses an oxygen atom, a sulfur atom or —NR—, and in this regard, Rexpresses a hydrogen atom, an alkyl group or an aryl group.