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:
Feb. 26, 2013
Filed:
Dec. 22, 2005
Applicants:
Kosuke Fujiwara, Tokyo, JP;
Akihiro Koyama, Tokyo, JP;
Inventors:
Kosuke Fujiwara, Tokyo, JP;
Akihiro Koyama, Tokyo, JP;
Assignee:
Nippon Sheet Glass Company, Limited, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 17/06 (2006.01); C03C 3/087 (2006.01);
U.S. Cl.
CPC ...
Abstract
A glass flake of the present invention has a composition that includes, in terms of mass %, 59≦SiO<65, 8≦AlO≦15, 47<(SiO—AlO)≦57, 1≦MgO≦5, 20≦CaO≦30, 0<(LiO+NaO+KO)<2, and 0≦TiO≦5 and that is substantially free from BO, F, ZnO, BaO, SrO, and ZrO.