Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2006-08-08
2006-08-08
Sellers, Robert (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C523S467000, C525S107000, C525S109000, C525S113000, C525S114000, C525S120000, C525S122000, C525S438000, C525S452000, C525S481000, C525S497000, C525S502000, C525S504000, C525S508000, C525S510000, C525S523000, C174S258000
Reexamination Certificate
active
07087664
ABSTRACT:
A resin film comprising (A) an epoxy resin having two or more glycidyl groups in a molecule, (B) an epoxy resin curing agent, (C) a thermoplastic resin, and (D) a filler, wherein the filler content in at least either one of the surface regions on the cross-section of the film is less than the filler concentration in the central region. The resin film has not only toughness but also fire retardancy, high interlayer adhesion strength and good processability of metal plating.
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Furuta Katsuhiro
Hayashi Toshiaki
Sellers Robert
Sumitomo Chemical Company Limited
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