Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2006-06-20
2006-06-20
Feely, Michael J. (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C523S427000, C523S428000, C523S429000, C523S433000, C523S445000, C523S451000, C523S461000, C525S525000, C528S106000, C528S398000
Reexamination Certificate
active
07064157
ABSTRACT:
The present invention relates to a phosphorus-containing epoxy resin, which is an epoxy resin modified with a side chain having a reactive phosphorus-containing compound. Also, the present invention relates to a flame-retardant resin composition, which comprises:(1) the phosphorus-containing epoxy resin,(2) a halogen-free hardener having a reactive hydrogen capable of reacting with the epoxy group in epoxy resin, and(3) a hardener promoter.The flame-retardant resin composition described above has improved excellent heat resistance and flame retardant property, and is especially suitable for adhesive laminates, composite materials, printed circuit boards, adhesive material for copper foils, and is suitable for IC packaging materials.
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Chao Huan-Chang
Chen Hong-Hsing
Hwang Kuen Yuan
Tu An Pang
Alexander John B.
Chang Chun Plastics Co. Ltd.
Corless Peter F.
Edwards Angell Palmer & & Dodge LLP
Feely Michael J.
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