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. 10, 2018
Filed:
Jul. 28, 2015
Applicant:
Asahi Glass Company, Limited, Tokyo, JP;
Inventors:
Assignee:
ASAHI GLASS COMPANY, LIMITED, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/097 (2006.01); C03C 4/02 (2006.01); C03C 3/093 (2006.01); C03C 21/00 (2006.01);
U.S. Cl.
CPC ...
C03C 3/097 (2013.01); C03C 3/093 (2013.01); C03C 4/02 (2013.01); C03C 21/002 (2013.01); Y10T 428/131 (2015.01); Y10T 428/315 (2015.01);
Abstract
A white glass includes, in terms of mole percentage on the basis of oxides, from 50% to 74% of SiO, from 0 to 8% of BO, from 1% to 8% of AlO, from 0 to 18% of MgO, from 0 to 7% of CaO, from 0 to 10% of SrO, from 0 to 12% of BaO, from 0 to 5% of ZrO, from 5% to 15% of NaO and from 2% to 10% of PO. In the white glass, a total content of CaO, SrO and BaO is from 1% to 22%, a total content RO of MgO, CaO, SrO and BaO is from 5% to 25% and a ratio CaO/RO of a content of CaO to the RO is 0.7 or less.