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:
Dec. 08, 2009
Filed:
Oct. 15, 2003
Applicants:
Toshikatsu Tanaka, Otsu, JP;
Shinji Nishibori, Otsu, JP;
Hiroki Mochizuki, Otsu, JP;
Motoyoshi Sugiyama, Otsu, JP;
Inventors:
Toshikatsu Tanaka, Otsu, JP;
Shinji Nishibori, Otsu, JP;
Hiroki Mochizuki, Otsu, JP;
Motoyoshi Sugiyama, Otsu, JP;
Assignee:
Nippon Electric Glass Co., Ltd., Shiga, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 3/06 (2006.01); C03C 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The glass fiber of the present invention is formed of the glass composition including 50 to 60% SiO, 0.1 to 10% AlO, 20 to 45% MgO+CaO+SrO+BaO, 0.5 to 20% TiO, 0.1 to 10% ZrO, and 0 to 2% LiO+NaO+KO in terms of mol %, in which a BaO/CaO mol ratio is from 0.3 to 1.6.