Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate
2005-06-07
2005-06-07
Feely, Michael J. (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
C528S087000, C528S098000, C528S099000, C528S212000, C528S219000, C528S367000, C528S405000, C528S421000, C528S423000
Reexamination Certificate
active
06903180
ABSTRACT:
This invention relates to novel epoxy resins and epoxy resin compositions comprising said epoxy resins or cured articles thereof. The cured articles have excellent properties in respect to flame retardance, adhesiveness, moisture resistance and heat resistance and can be used in applications such as lamination, molding, casting and adhesion. The epoxy resins of this invention are represented by the following formula (3)wherein Y1denotes a glycidyloxyarylmethyl group represented by —CH2—Ar—OG, Y2and Y3denote independently a glycidyl group or the aforementioned glycidyloxyarylmethyl group, Ar denotes a phenylene group which can be substituted with up to two hydrocarbon groups and G denotes a glycidyl group.
REFERENCES:
patent: 3948916 (1976-04-01), Porret et al.
patent: 0355728 (1990-02-01), None
patent: 62294784 (1987-12-01), None
patent: 02-240080 (1990-09-01), None
patent: 02-279684 (1990-11-01), None
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Derwent Abstract 1990-3352366 (for JP 02-240080 & JP 2768426).
International Search Report for PCT/JP01/10798 mailed on Mar. 5, 2002.
English translation of International Preliminary Examination Report for PCT/JP01/10798 completed on May 28, 2002.
Kaji Masashi
Ogami Koichiro
Feely Michael J.
Nippon Steel Chemical Co. Ltd.
Rader & Fishman & Grauer, PLLC
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