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:
Jan. 31, 2017
Filed:
May. 15, 2013
Applicant:
Nippon Electric Glass Co., Ltd., Otsu-shi, Shiga, JP;
Inventors:
Shuhei Ogawa, Shiga, JP;
Shingo Nakane, Shiga, JP;
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Otsu-shi, Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 10/12 (2006.01); C03B 32/02 (2006.01); C03C 10/00 (2006.01); C03C 3/097 (2006.01); C30B 1/02 (2006.01); C30B 29/18 (2006.01); C30B 29/34 (2006.01);
U.S. Cl.
CPC ...
C03C 10/0027 (2013.01); C03B 32/02 (2013.01); C03C 3/097 (2013.01); C30B 1/023 (2013.01); C30B 29/18 (2013.01); C30B 29/34 (2013.01); C03C 2204/00 (2013.01);
Abstract
In a LiO—AlO—SiObased crystallized glass using SnOas a substitute fining agent for AsOor SbO, a crystallized glass having less yellow coloration is provided at low costs. The glass is a LiO—AlO—SiObased crystallized glass comprising from 0.01 to 0.9% of SnOin terms of % by mass and having a content of each of AsOand SbOof 1,000 ppm or less as a glass composition, which has a VOcontent of from 0.08 to 15 ppm in the glass composition.