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:
Dec. 04, 2001
Filed:
Jan. 03, 2000
Koichi Sakaguchi, Osaka, JP;
Shigeki Nakagaki, Osaka, JP;
Nippon Sheet Glass Company, Limited, Osaka, JP;
Abstract
An ultraviolet and infrared radiation absorbing glass is disclosed, which has a bronze or neutral gray tint, a low ultraviolet transmission, and a low total solar energy transmission and is suitable for use as a window glass for motor vehicles or buildings. The glass comprises, in % by weight: basic glass components comprising 65 to 80% SiO,, 0 to 5% B,O,, 0 to 5% Al,O,, 0 to 10% MgO, 5 to 15% CaO, 10 to 18% Na,O, and 0 to 5% K,O, provided that the sum of MgO and CaO is 5 to 15% and the sum of Na,O and K,O is 10 to 20%; coloring components comprising 0.20 to 0.30% total iron oxide (T-Fe,O,) in terms of Fe,O,, 0.65 to 1.1% CeO,, 0.35 to 1.1% TiO,, 0.001 to 0.005% CoO, and 0.0003 to 0.0015% Se; and an additional component comprising 0.02 to 0.30% SO,, wherein 20.5 to 25% of said T-Fe,O,is FeO in terms of Fe,O,.