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. 04, 2020
Filed:
Apr. 24, 2019
Applicant:
Agc Inc., Chiyoda-ku, JP;
Inventors:
Assignee:
AGC INC., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/087 (2006.01); C03C 3/091 (2006.01); C03B 5/18 (2006.01);
U.S. Cl.
CPC ...
C03C 3/091 (2013.01); C03B 5/18 (2013.01); C03C 3/087 (2013.01); C03C 2203/10 (2013.01);
Abstract
The present invention relates to an alkali-free glass and a method for producing the same. More specifically, the present invention relates to an alkali-free glass suitable as a glass for substrates of various displays such as liquid crystal display, and a method for producing the same. According to the present invention, an alkali-free glass suitable as a glass for display substrates, in which inclusion of bubbles is greatly reduced by virtue of containing a refining agent and suppressing the stirring reboil, is obtained.