Low-boron zirconium-free neutral glass having an optimized alkali metal ratio

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United States of America Patent

PATENT NO 9919950
SERIAL NO

15224433

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Abstract

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A zirconium-free neutral glass is provided that finds use in the pharmaceutical sector. The glass has a combination of alkali metal oxides of sodium, potassium and optionally lithium, and a controlled amount of aluminum oxide, which provides a zirconium-free and low-boron neutral glass having good hydrolytic stability, good acid and alkali stability and good devitrification properties. The glass includes the following components in % by weight:

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Patent Owner(s)

Patent OwnerAddress
SCHOTT AG55122 MAINZ

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eichholz, Rainer Frankfurt am Main, DE 23 214
Kass, Christof Tirschenreuth, DE 18 310
Männl, Reinhard Mitterteich, DE 5 10
Tratzky, Stephan Neustadt/Wn., DE 16 166

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