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:
Jun. 27, 2017
Filed:
Jun. 03, 2014
Applicant:
Nippon Sheet Glass Company, Limited, Tokyo, JP;
Inventors:
Junji Kurachi, Hyogo, JP;
Yutaka Senshu, Hyogo, JP;
Assignee:
NIPPON SHEET GLASS COMPANY, LIMITED, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/085 (2006.01); C03C 21/00 (2006.01); C03C 3/087 (2006.01); G11B 5/73 (2006.01);
U.S. Cl.
CPC ...
C03C 21/002 (2013.01); C03C 3/085 (2013.01); C03C 3/087 (2013.01); G11B 5/7315 (2013.01);
Abstract
The present invention provides a glass composition containing, in mass %: 59.0 to 63.0% SiO; 4.0 to 10.0% TiO; 8.0 to 12.0% AlO; 1.0 to 5.0% MgO; 0 to 4.0% CaO; 4.0 to 14.0% SrO; 4.0 to 11.0% NaO; and 0 to 1.0% KO. According to the present invention, it is possible to provide a glass composition having excellent heat resistance, being suitable for production by the float process, and being suitable for chemical strengthening.