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:
May. 26, 2009
Filed:
Feb. 05, 2002
Applicants:
Masataka Takagi, Otsu, JP;
Noriyuki Yoshida, Otsu, JP;
Hachiro Takahashi, Otsu, JP;
Shigeaki Aoki, Otsu, JP;
Mitsuo Kato, Otsu, JP;
Inventors:
Masataka Takagi, Otsu, JP;
Noriyuki Yoshida, Otsu, JP;
Hachiro Takahashi, Otsu, JP;
Shigeaki Aoki, Otsu, JP;
Mitsuo Kato, Otsu, JP;
Assignee:
Nippon Electric Glass Co., Ltd., Shiga, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 6/00 (2006.01); C03C 3/23 (2006.01); C03C 3/112 (2006.01); C03B 5/00 (2006.01); C03B 5/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A glass composition of the present invention is manufactured by melting glass raw materials and contains a multicomponent oxide as a main component, and the glass composition contains at least one of helium and neon in an amount of 0.01 to 2 μL/g (0° C. 1 atm).