Stock material or miscellaneous articles – Composite – Of epoxy ether
Reexamination Certificate
2005-04-12
2005-04-12
Tucker, Philip (Department: 1712)
Stock material or miscellaneous articles
Composite
Of epoxy ether
C438S127000, C523S400000, C523S457000, C528S087000, C528S088000, C528S219000
Reexamination Certificate
active
06878448
ABSTRACT:
The present invention provides a biphenyl based epoxy resin comprising a curing agent and an inorganic filler containing an alkali alkaline earth metal oxide wherein the epoxy resin has a variation rate of hardness at 25° C. and a relative humidity of 50% for 72 hours of less than 10% and a variation rate of flow at 25° C. and a relative humidity of 20% or below for 72 hours of less than 20%.
REFERENCES:
patent: 4042550 (1977-08-01), Tuller et al.
patent: 5453453 (1995-09-01), Lamon et al.
patent: 6248454 (2001-06-01), Ikemura
patent: 58-80340 (1983-05-01), None
patent: 58-174434 (1983-10-01), None
Ishii Toshiaki
Kokaku Hiroyoshi
Miwa Takao
Nagai Akira
Dickstein , Shapiro, Morin & Oshinsky, LLP
Feely Michael J
Hitachi , Ltd.
Tucker Philip
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