Stock material or miscellaneous articles – Composite – Of epoxy ether
Reexamination Certificate
2005-09-20
2005-09-20
Feely, Michael J. (Department: 1712)
Stock material or miscellaneous articles
Composite
Of epoxy ether
C428S413000, C428S414000, C428S418000, C428S447000, C428S448000, C428S450000, C428S901000, C438S106000, C438S118000, C438S127000
Reexamination Certificate
active
06946198
ABSTRACT:
A solvent-free thermosetting resin composition which comprises an epoxy resin (a) and a product (b) of the reaction of an organosilicon compound, represented by the general formula (1) (where R is an organic group containing a functional group reactive with an epoxy resin by addition reaction; and R1 is a methyl or ethyl group), with water, the product (b) containing organosilicon compound polycondensates formed in the epoxy resin (a) and having a degree of polycondensation of 2 or higher, and which has a low viscosity at a room temperature (25° C.) and gives a cured resin having intact material properties, especially intact high-temperature mechanical properties; a process for producing the resin composition; and a product obtained by applying the composition.
REFERENCES:
patent: 5623026 (1997-04-01), Buekers et al.
patent: 6100313 (2000-08-01), Treadway
patent: 5-291438 (1993-11-01), None
patent: 08-100107 (1996-04-01), None
patent: 08-199045 (1996-08-01), None
patent: 09-216938 (1997-08-01), None
patent: 09-291131 (1997-11-01), None
patent: 11-209579 (1999-08-01), None
Hiroshi Kakiuchi, “New Epoxy Resin”, Ch. 9, (1988) and English translation of the most relevant part.
Ito Yuzo
Nakai Harukazu
Oohara Shuichi
Satsu Yuichi
Suzuki Masao
Antonelli, Terry Stout and Kraus, LLP.
Feely Michael J.
Hitachi , Ltd.
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