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:
May. 28, 2002
Filed:
Jun. 07, 2001
Applicant:
Inventors:
Assignee:
Nippon Sheet Glass Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/087 ;
U.S. Cl.
CPC ...
C03C 3/087 ;
Abstract
The ultraviolet/infrared transmittance glass consists of base glass including: 65 to 80 wt. % SiO ; 0 to 5 wt. % B O ; 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. % total amount of MgO and CaO; and 0 to 20 wt. % total amount of Na O and K O, colorants including: equal to or more than 0.05 wt. % and less than 0.2 wt. % total iron oxide (T—Fe O ) expressed as Fe O ; 0.63 to 1.4 wt. % CeO ; 0.02 to 1.5 wt. % TiO ; 0.0005 to 0.005 wt. % CoO; and 0.0003 to 0.002 wt. % Se. FeO expressed as Fe O is between 30 wt. % and 60 wt. % of T—Fe O .