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. 01, 2019
Filed:
Apr. 10, 2018
Applicant:
Agc Inc., Chiyoda-ku, JP;
Inventors:
Shuichi Akada, Tokyo, JP;
Soshi Watanabe, Tokyo, JP;
Assignee:
AGC Inc., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/087 (2006.01); C03C 4/08 (2006.01); B60J 1/08 (2006.01); B60J 1/18 (2006.01);
U.S. Cl.
CPC ...
C03C 3/087 (2013.01); C03C 4/085 (2013.01); B60J 1/08 (2013.01); B60J 1/18 (2013.01); C03C 2204/00 (2013.01);
Abstract
Disclosed is an ultraviolet-absorbing glass article comprising a glass matrix composition including, in mass % in terms of oxide contents, 66-75% SiO, 10-20% NaO, 5-15% CaO, 0-6% MgO, 0-5% AlO, 0-5% KO, at least 0.8% to less than 2.4% total iron content in terms of FeO(t-FeO), 0-0.01% CrO, 0.02-0.04% CoO, 0.0005-0.0045% Se, and greater than 0% to at most 1% TiO, wherein: the amount of redox is from 20% to 30% inclusive; redox, t-FeO, and TiOsatisfy a predetermined relationship; and t-FeO, CrO, CoO, and Se satisfy a predetermined relationship.