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:
Aug. 31, 2004
Filed:
Oct. 03, 2002
Nippon Sheet Glass Co., Ltd., Osaka, JP;
Abstract
The ultraviolet/infrared absorbent low transmittance glass has a grayish green color shade, low visible light transmittance, low total solar energy transmittance, and low ultraviolet transmittance, and is suitable for a rear window of a vehicle and capable of protecting privacy. The glass is formed of a base glass including: 65 to 80 wt. % SiO ; 0 to 5 wt. % Al O ; 0 to 10 wt. % MgO; 5 to 15 wt. % CaO, wherein a total amount of MgO and CaO is between 5 and 15 wt. %; 10 to 18 wt. % Na O; 0 to 5 wt. % K O, wherein a total amount of Na O and K O is between 10 and 20 wt. %; and 0 to 5 wt. % B O , and colorants including: more than 0.95 wt. % and less than 1.2 wt. % total iron oxide (T-Fe O ) expressed as Fe O ; 0.001 to 0.0180 wt. % CoO; and 0.003 to 0.2 wt. % NiO.