Ultraviolet ray-absorbing, colorless and transparent soda-lime-silica glass
AssigneeNihon Yamamura Glass Co., Ltd.
InventorsMasao Kitayama, Yuko Ishizu
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Abstract
An ultraviolet ray-absorbing, colorless and transparent soda-lime-silica glass is disclosed, which glass is prepared by irradiating a cerium containing soda-lime-silica glass with light having wavelengths in far- to near-ultraviolet region and thereby reducing transmittance to light with wavelengths in the region of 300-400 nm.
Claims11
An ultraviolet ray-absorbing, colorless and transparent soda-lime-silica glass wherein the glass is prepared by irradiating a cerium containing soda-lime-silica glass with light having wavelengths in the far- to near-ultraviolet region and thereby reducing transmittance to light with wavelengths in the region of 300-400 nm.
Dependencies are inferred from the claim text.