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.

Date of Patent:
Jun. 30, 2009

Filed:

Aug. 12, 2005
Applicants:

Takuro Hoshio, Minamiashigara, JP;

Hitoshi Okazaki, Minamiashigara, JP;

Masayuki Okoshi, Minamiashigara, JP;

Michiaki Yasuno, Minamiashigara, JP;

Inventors:

Takuro Hoshio, Minamiashigara, JP;

Hitoshi Okazaki, Minamiashigara, JP;

Masayuki Okoshi, Minamiashigara, JP;

Michiaki Yasuno, Minamiashigara, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A flame-retardant epoxy resin composition, as well as an electronic device, a laminated circuit board, a multilayered circuit board and a printed circuit board employing the flame-retardant epoxy resin composition are disclosed. The flame-retardant epoxy resin composition contains: an epoxy resin; an epoxy resin curing agent; and flame-retardant particles containing a metal hydrate. The flame-retardant particles are provided with a coating layer on the surfaces thereof and have a volume average particle diameter in a range from 1 to 500 nm.


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