Glass container composition
AssigneeOwens-Brockway Glass Container Inc.
InventorsStephen D. Barton, Carol A. Click, Terence K. G. Howse
Life of this patent
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Abstract
A glass container and related methods of manufacturing. The glass container has a glass composition including soda-lime base glass materials, and an oxide of vanadium for good ultraviolet light blocking properties and an oxide of selenium to decolor the glass for good clarity and decolorization. The glass composition of the glass container also may include an oxide of sulfur.
Claims40
In a flint glass container, an improvement for blocking UV light penetration into the container while providing decolorization in container glass,
- wherein the container glass includes an oxide of vanadium and an oxide of selenium present in the container glass and wherein the oxide of vanadium is present in a retained amount ranging between 0.01 wt % and 0.14 wt % and the oxide of selenium is present in a retained amount ranging between 0.0125 wt % and 0.025 wt %.
A glass container having a glass composition including:
- soda-lime base glass materials;
- and
- additives including an oxide of vanadium and an oxide of selenium retained in the container glass and wherein the oxide of vanadium is retained in an amount of about 0.1 wt % and the oxide of selenium is retained in an amount of about 0.025%.
A method of making glass containers including the steps of:
- preparing a batched glass composition including soda-lime base glass materials, and including oxides of vanadium and selenium wherein the oxide of vanadium is present in an amount ranging between 0.03 wt % and about 0.1 wt % and the oxide of selenium is present in an amount greater than 0.03 wt % and less than about 0.1 wt %;
- melting the batched glass composition in a glass melt furnace to produce a molten batched glass;
- forming the glass containers from the molten batched glass;
- and
- annealing the glass containers.
A method of making glass containers including the steps of:
- preparing a batched glass composition including soda-lime base glass materials, and including oxides of vanadium and selenium in about equal amounts;
- melting the batched glass composition in a glass melt furnace to produce a molten batched glass;
- forming the glass containers from the molten batched glass;
- and
- annealing the glass containers.
Dependencies are inferred from the claim text.