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. 28, 2005
Filed:
Sep. 27, 2002
Sunao Maeda, Sodegaura, JP;
Tatsuhiro Urakami, Sodegaura, JP;
Tomoyuki Kawabata, Sodegaura, JP;
Koutarou Suzuki, Sodegaura, JP;
Tadahito Nobori, Sodegaura, JP;
Sunao Maeda, Sodegaura, JP;
Tatsuhiro Urakami, Sodegaura, JP;
Tomoyuki Kawabata, Sodegaura, JP;
Koutarou Suzuki, Sodegaura, JP;
Tadahito Nobori, Sodegaura, JP;
Mitsui Chemicals, Inc., Tokyo, JP;
Abstract
An epoxy resin composition comprising an epoxy resin (A), a curing agent (B) and a curing accelerator (C), wherein the curing agent (B) is a phenol compound having two or more hydroxyl functional groups or a compound obtained by esterification of the phenol compound or a mixture of these compounds, and the curing accelerator (C) is a salt of a phosphazenium compound represented by a formula (I):(wherein Rs each represent a hydrogen atom, a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms or an aryl or aralkyl group having 6 to 10 carbon atoms and may be all the same or different from one another; and Zrepresents a halogen anion, hydroxy anion, alkoxy anion, aryloxy anion or carboxy anion).