Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1996-12-26
1998-11-24
Krass, Frederick
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
523443, 523466, 525481, 525484, 549560, C08G 5900, C08G 6508, C08G 6514
Patent
active
058408240
ABSTRACT:
An object is to provide hardened products having excellent water resistance and mechanical strength, and an epoxy resin and an epoxy resin composition for use in the production thereof. An epoxy resin obtained by the glycidylation of a novolak type resin which is prepared by the condensation of biphenyls with phenols and naphthols, and a resin composition containing said epoxy resin and hardened products thereof.
REFERENCES:
patent: 3632555 (1972-01-01), Harris et al.
patent: 5459223 (1995-10-01), Sue et al.
Akatsuka Yasumasa
Hasegawa Ryoichi
Kuboki Kenichi
Shimamura Yoshio
Krass Frederick
Nippon Kayaku Kabushiki Kaisha
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