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:
Sep. 09, 2014
Filed:
Mar. 15, 2013
Applicant:
Asahi Glass Company, Limited, Chiyoda-ku, JP;
Inventors:
Assignee:
Asahi Glass Company, Limited, Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/085 (2006.01); C03C 3/087 (2006.01); C03C 3/078 (2006.01);
U.S. Cl.
CPC ...
Abstract
A glass plate made of soda lime silica glass containing at least MgO, CaO, NaO and AlOproduced by a float process or a downdraw method, wherein [MgO] is at least 4.5%, [MgO]/[CaO] is larger than 1, and Q=([MgO]/[CaO])×([CaO]+[NaO]−[AlO]) is at least 20, wherein [MgO] is the content of MgO, [CaO] is the content of CaO, [NaO] is the content of NaO, and [AlO] is the content of AlO(each being as represented by mass percentage based on oxide) and a process for the glass plate.