Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Reexamination Certificate
2011-08-02
2011-08-02
Group, Karl (Department: 1731)
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
C501S035000, C501S048000, C501S070000, C065S384000, C065S463000
Reexamination Certificate
active
07989375
ABSTRACT:
An object is to provide a readily fusible glass fiber composition that can alleviate environmental problem and reduce raw material cost by decreasing boron content, and that can facilitate the manufacturing of fine-count glass filament. A glass fiber composition of the present invention is an oxide glass composition, and has compositions of 0.01 to 3% of P2O5, 52 to 62% of SiO2, 10 to 16% of Al2O3, 0 to 8% of B2O3, 0 to 5% of MgO, 16 to 30% of CaO, and 0 to 2% of R2O(R═Li+N+K), which are in terms of oxide represented in mass percentage.
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Bolden Elizabeth A
Group Karl
Nippon Electric Glass Co. Ltd.
Wenderoth , Lind & Ponack, L.L.P.
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