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:
Mar. 28, 2017
Filed:
Jun. 21, 2013
Applicants:
Shuhei Mikami, Tokyo, JP;
Yasuhiro Fujiwara, Tokyo, JP;
Inventors:
Shuhei Mikami, Tokyo, JP;
Yasuhiro Fujiwara, Tokyo, JP;
Assignee:
HOYA CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/21 (2006.01); C03C 3/064 (2006.01); C03B 11/00 (2006.01); C03B 5/16 (2006.01); C03B 5/193 (2006.01); C03B 5/43 (2006.01); C03C 3/068 (2006.01);
U.S. Cl.
CPC ...
C03C 3/21 (2013.01); C03B 5/16 (2013.01); C03B 5/193 (2013.01); C03B 5/43 (2013.01); C03B 11/005 (2013.01); C03C 3/064 (2013.01); C03C 3/068 (2013.01); Y02P 40/57 (2015.11);
Abstract
[Problem] The transmittance of glass can be dramatically improved as a result of this glass production method. In addition, the amount of rare metal, such as platinum, that melts into glass can be greatly reduced. [Solution] A glass production method whereby the water content in molten glass is increased, in a melting step (i) in which a glass raw material including at least one type of component among TiO, NbO, WO, and BiOis heated inside a melting container and melted, and a molten glass is obtained.