Mixture for the production of an amber glass, amber glass, method for the production of tubes and blanks of tinted bulbs, and tinted bulbs obtained with said glass
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United States of America Patent
Stats
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Jul 13, 2010
Grant Date -
Jan 31, 2008
app pub date -
Dec 24, 2004
filing date -
Dec 24, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention relates to a mixture for the production of a vat-dyed amber glass; an amber glass formed from the vitrifiable mixture, based on a silico-sodo-calcic composition; and a method for the production of tubes and blanks (2) for bulbs (1) using said glass. The mixture contains 100% by weight of the following ingredients: 0.01%-1% by weight molybdenum bisulphur and 0.01%-7% strontium sulphur by weight. The glass thus obtained is devoid of harmful products such as cadmium and no additional heat treatment is required in order to obtain the desired colour thereof.
First Claim
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