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:
Aug. 27, 2013
Filed:
Sep. 14, 2012
Shusaku Akiba, Tokyo, JP;
Kazutaka Ono, Tokyo, JP;
Jun Endo, Tokyo, JP;
Shigeki Sawamura, Tokyo, JP;
Tetsuya Nakashima, Tokyo, JP;
Yuichi Kuroki, Tokyo, JP;
Shusaku Akiba, Tokyo, JP;
Kazutaka Ono, Tokyo, JP;
Jun Endo, Tokyo, JP;
Shigeki Sawamura, Tokyo, JP;
Tetsuya Nakashima, Tokyo, JP;
Yuichi Kuroki, Tokyo, JP;
Asahi Glass Company, Limited, Tokyo, JP;
Abstract
To provide glass to be used for chemically tempered glass which is hardly broken even when flawed. Glass for chemical tempering, which comprises, as represented by mole percentage based on the following oxides, from 65 to 85% of SiO, from 3 to 15% of AlO, from 5 to 15% of NaO, from 0 and less than 2% of KO, from 0 to 15% of MgO and from 0 to 1% of ZrO, and has a total content SiO+AlOof SiOand AlOof at most 88%.