Glass compositions with improved chemical and mechanical durability

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 9266770
SERIAL NO

14701185

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Abstract

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The embodiments described herein relate to chemically and mechanically durable glass compositions and pharmaceutical packaging formed from the same. According to one embodiment, a glass for pharmaceutical packaging includes from about 70 mol. % to about 80 mol. % SiO2; from about 4 mol. % to about 8 mol. % alkaline earth oxide, the alkaline earth oxide comprising MgO and CaO; X mol. % Al2O3, wherein X is from about 4 to about 8; and Y mol. % alkali oxide comprising non-zero amounts of Na2O and K2O, wherein Y is about 9-15 mol. % and a ratio of Y:X is greater than 1.

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Patent Owner(s)

  • CORNING INCORPORATED

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Danielson, Paul Stephen Dundee, US 36 675
DeMartino, Steven Edward Painted Post, US 116 1980
Drake, Melinda Ann Corning, US 37 809
Morena, Robert Michael Lindley, US 106 2214
Pal, Santona Painted Post, US 65 889
Schaut, Robert Anthony Painted Post, US 90 1953

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