Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...
Reexamination Certificate
2011-05-10
2011-05-10
Speer, Timothy M (Department: 1784)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Noninterengaged fiber-containing paper-free web or sheet...
C428S426000, C428S697000, C428S701000, C428S702000
Reexamination Certificate
active
07939166
ABSTRACT:
Disclosed are glass compositions, glass fiber compositions, glass fiber battery separators, glass fiber filter media, battery additives and active materials formed with glass compositions disclosed, glass fiber radiation shields, and glass fiber paper compositions. Certain embodiments include, among other components, bismuth oxide. Certain embodiments include about 0.5-30% bismuth oxide of the composition by weight and silica oxide at about 54-70% of the composition by weight. Embodiments may also include other components. For example, zinc oxide can make up about 0.01-3% of the composition by weight.
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Svoboda Patrick
Vulfson Yuri
Windisch John
Zguris George
Choate Hall & Stewart LLP
Hollingsworth & Vose Company
Robinson Lauren
Speer Timothy M
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