Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2011-01-18
2011-01-18
Feely, Michael J (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S534000, C525S540000
Reexamination Certificate
active
07872079
ABSTRACT:
The present invention is intended to provide a novel naphthoxazine composition having a smaller amount of volatile components (weight reduction) upon curing, and is to provide a naphthoxazine composition characterized in that a naphthoxazine compound having a phenolic hydroxyl group in the same molecule is further added with an epoxy resin, and a molded product obtained by molding the naphthoxazine composition.
REFERENCES:
patent: 5900447 (1999-05-01), Ishida
patent: 6900269 (2005-05-01), Hwang et al.
patent: 7084194 (2006-08-01), Hwang et al.
patent: 7202359 (2007-04-01), Hwang et al.
Shyan Bob Shen, et al.; “Synthesis and Characterization of Polyfunctional Naphthoxazines and Related Polymers”; Journal of Applied Polymer Science; vol. 61; pp. 1595-1605 (1996).
Ishida Hatsuo
Nakamura Masanori
Case Western Reserve University
Feely Michael J
Sekisui Chemical Co. Ltd.
Sughrue & Mion, PLLC
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