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US 5,248,637 AGranted
Highly heat resistant glass fiber and process for its production
AssigneeAsahi Glass Company, Limited
InventorsNaoki Taneda, Kouichi Numata, Takashi Mukaiyama
Life of this patent
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Abstract
Highly heat resistant glass fiber which comprises from 0.1 to 2.0 wt % of Al.sub.2 O.sub.3, from 0.1 to 2.0 wt % of TiO.sub.2, from 96 to 99.8 wt % of SiO.sub.2 and not more than 0.03 wt % of the sum of alkali metal oxides and alkaline earth metal oxides.
Claims6
Highly heat resistant glass fiber which consists essentially of from 0.1 to 2.0 wt % of Al.sub.2 O.sub.3, from 0.1 to 2.0 wt % of TiO.sub.2, from 96 to 99.8 wt % of SiO.sub.2 and not more than 0.03 wt % of the sum of alkali metal oxides and alkaline earth metal oxides.
Dependencies are inferred from the claim text.