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:
Jul. 14, 2026
Filed:
Dec. 22, 2020
Nippon Electric Glass Co., Ltd., Shiga, JP;
Yuta Nagano, Shiga, JP;
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Abstract
A tempered glass sheet of the present invention is a tempered glass sheet having a compressive stress layer in a surface thereof, wherein the tempered glass sheet comprises as a glass composition, in terms of mol %, 50% to 75% of SiO, 1% to 20% of AlO, 5% to 30% of BO, 0% to 15% of LiO, 1% to 25% of NaO, 0% to 10% of KO, and 0% to 15% of PO, wherein the tempered glass sheet has a molar ratio [AlO]/[NaO] of from 0.1 to 2.5, and wherein the tempered glass sheet satisfies the following relationship:[SiO]−3×[AlO]−[BO]−2×[LiO]−1.5×[NaO]−[KO]+1.2×[PO]≥−20%.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile