The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 22, 2002
Filed:
Feb. 20, 2001
Nippon Sheet Glass Co., Ltd., Osaka, JP;
Abstract
An ultraviolet/infrared absorbent glass is formed of base glass, and colorants. The base glass includes 65 to 80 wt. % SiO ; 0 to 5 wt. % Al O ; 0 to 10 wt. % MgO; 5 to 15 wt. % CaO; 10 to 18 wt. % Na O; 0 to 5 wt. % K O; 5 to 15 wt. % a total amount of MgO and CaO; 10 to 20 wt. % a total amount of Na O and K O; 0.05 to 0.3 wt. % SO ; and 0 to 5 wt. % B O . The colorants are formed of 0.35 to 0.55 wt. % the total iron oxide (T-Fe O ) expressed as Fe O ; 0.08 to 0.15 wt. % FeO; 0.8 to 1.5 wt. % CeO and 0 to 1.5 wt. % TiO . FeO expressed as Fe O is equal to or more than 20 wt.% and less than 27 wt. % of T-Fe O . The glass has high visible light transmittance and light greensih color shade so that it is useful for a window of a vehicle and a building.