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:
Apr. 23, 2024
Filed:
Dec. 24, 2019
Applicant:
Nippon Electric Glass Co., Ltd., Shiga, JP;
Inventors:
Ken Yuki, Shiga, JP;
Ryota Suzuki, Shiga, JP;
Tomonori Ichimaru, Shiga, JP;
Kiyotaka Kinoshita, Shiga, JP;
Yuta Nagano, Shiga, JP;
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/04 (2006.01); B32B 17/06 (2006.01); C03C 3/097 (2006.01); C03C 3/11 (2006.01); C03C 4/18 (2006.01); C03C 21/00 (2006.01);
U.S. Cl.
CPC ...
C03C 3/11 (2013.01); C03C 3/097 (2013.01); C03C 4/18 (2013.01); C03C 21/002 (2013.01); C03C 2204/00 (2013.01);
Abstract
The present invention provides a tempered glass sheet having a compressive stress layer in a surface thereof, the tempered glass sheet including as a glass composition, in terms of mol %, 50% to 80% of SiO, 8% to 25% of AlO, 0% to 10% of BO, 3% to 15% of LiO, 3% to 21% of NaO, 0% to 10% of KO, 0% to 10% of MgO, 0% to 10% of ZnO, and 0% to 15% of PO.