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:
Nov. 06, 2012
Filed:
Jun. 17, 2008
Kosuke Fujiwara, Tokyo, JP;
Akihiro Koyama, Tokyo, JP;
Kosuke Fujiwara, Tokyo, JP;
Akihiro Koyama, Tokyo, JP;
Nippon Sheet Glass Company, Limited, Tokyo, JP;
Abstract
Disclosed is a glass composition having a stable quality, which can be easily obtained. This glass composition can be used as a glass filler to be blended into a polycarbonate resin, and enables to reduce the load imposed on a glass manufacturing apparatus. Specifically, this glass composition contains, in mass %, 50≦SiO≦60, 8≦AlO≦15, 0≦MgO≦10, 5≦CaO<21, 0<SrO+BaO≦25, 10<MgO+SrO+BaO≦30, 0≦LiO+NaO+KO<2, 2<TiO≦10 and 0≦ZrO<2 and does not substantially contain BO, F, and ZnO.