Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2006-09-12
2006-09-12
Zimmer, Marc S. (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C523S427000, C523S445000, C523S458000, C523S468000, C523S433000, C524S266000, C524S268000, C525S476000, C528S503000
Reexamination Certificate
active
07105614
ABSTRACT:
A curable epoxy resin composition comprising at least: (A) a crystalline epoxy resin, (B) a phenol resin, and (C) a silicone resin composed of epoxy-containing organic groups and phenyl groups that define an average unit formula of this component. Component (C) is used in an amount of 0.1 to 500 parts by weight for 100 parts by weight of the sum of weights of components (A) and (B). The composition of the invention is suitable for transfer and injection molding and may find use as a curable epoxy resin composition for sealing parts of electrical and electronic devices.
REFERENCES:
patent: 5516858 (1996-05-01), Morita et al.
patent: 5891969 (1999-04-01), Mine et al.
patent: 5952439 (1999-09-01), Morita et al.
patent: 2003/0152776 (2003-08-01), Kiuchi et al.
patent: WO 01/42360 (2001-06-01), None
Furukawa Haruhiko
Morita Yoshitsugu
Nakanishi Koji
Ueki Hiroshi
Dow Corning Toray Silicone Co. Ltd.
McKellar Robert L.
McKellar IP Law, PLLC
Zimmer Marc S.
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