Glass composition

Details Glass composition Glass composition

2005-02-22

2005-02-22

Group, Karl (Department: 1755)

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

C501S071000, C501S066000, C501S064000

Reexamination Certificate

active

06858553

ABSTRACT:
A glass composition having excellent reinforcing capability and excellent solar control performance includes not smaller than 65 wt. % and smaller than 74 wt. % SiO2, 0-5 wt. % B2O3, 0.1-2.5 wt. % Al2O3, not smaller than 0 wt. % and smaller than 2 wt. % MgO, 5-15 wt. % CaO, 0-10 wt. % SrO, 0-10 wt. % BaO wherein a total amount of MgO, CaO, SrO and BaO is greater than 10 wt. % and not greater than 15 wt. %, 0-5 wt. % Li2O, 10-18 wt. % Na2O, 0-5 wt. % K2O wherein a total amount of Li2O, Na2O, and K2O is 10-20 wt. % and 0-0.40 TiO2.

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DATABASE WPI, section ch, week 198641, Derwent Publications Ltd., London, GB; AN 1986-269460, XP002188935 & JP 61-197444 A (Asahi Glass Co., Ltd.), Sep. 1, 1986.
DATABASE WPI, section ch, week 198749, Derwent Publications Ltd., London, GB; AN 1987-344162, XP002188936 & JP 62-246839 A (Central Glass Co., Ltd.), Oct. 28, 1987.

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