GREEN SODA CALCIUM GLASS FOR FOOD CONTAINERS WHICH ABSORB ULTRAVIOLET RADIATION AND TRASMIT VISIBLE LIGHT Russian patent published in 2001 - IPC

Abstract RU 2172723 C2

FIELD: packing of foodstuffs, more particularly green soda-calcium glass containers which absorb ultraviolet radiation and transmit visible light. SUBSTANCE: glass comprises, wt %: SiO2, 50.0-82.5; Al2O3, 0.0001-4.0; RO, 3.0-25.0; R2O, 12.0-25.0; Fe2O3, 2.5-10.0; and impurities, up to 5, Fe(II)/Fe(II) + Fe(III) ratio being 0.05-0.25. EFFECT: green glass effectively absorbing ultraviolet radiation and transmitting visible light. 6 cl, 2 tbl

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RU 2 172 723 C2

Authors

Adrian Smout

Gerrit Jan Loggers

Dates

2001-08-27Published

1995-11-13Filed