Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Reexamination Certificate
2007-12-04
2007-12-04
Sellers, Robert (Department: 1712)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
C257S793000, C523S457000, C523S466000, C525S481000, C525S523000, C525S533000, C528S122000, C528S123000, C528S124000, C549S517000, C549S560000
Reexamination Certificate
active
11698184
ABSTRACT:
An epoxy compound, represented by a general formula (I) is obtained by reacting an anthrahydroquinone compound having a following general formula (II) with epihalohydrin.(wherein R1-R10each represent hydrogen atom or alkyl group having 1-6 carbon atoms, and n represents an integer of 0 or more, and wherein A1, A2each represent hydrogen atom or alkali metal atom, R1-R10each represent hydrogen atom or alkyl group having 1-6 carbon atoms.)
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CAPLUS accession No. 2000:593107 and Derwent accession No. 2000-269021 for Soviet Union Patent No. 1,226,815 A1, Kachurin et al., Feb. 27, 1999, four pages.
Hayakawa Atsuhito
Itou Akihiro
Japan Epoxy Resins Co., Ltd.
Kanesaka Manabu
Sellers Robert
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