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:
Jun. 07, 2005
Filed:
Feb. 05, 2004
Applicants:
Akihiro Koyama, Osaka, JP;
Isamu Kuroda, Osaka, JP;
Nobuyuki Yamamoto, Osaka, JP;
Yasunori Seto, Osaka, JP;
Inventors:
Akihiro Koyama, Osaka, JP;
Isamu Kuroda, Osaka, JP;
Nobuyuki Yamamoto, Osaka, JP;
Yasunori Seto, Osaka, JP;
Assignee:
Nippon Sheet Glass Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C003/087 ;
U.S. Cl.
CPC ...
Abstract
A high transmittance glass sheet is provided that is formed of a soda-lime-silica glass composition containing, expressed in wt. %, less than 0.020% of total iron oxide in terms of FeOand 0.006 to 2.0% of zinc oxide. The glass sheet allows the formation of nickel sulfide particles to be suppressed by the addition of a zinc compound to a glass raw material.