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:
Apr. 26, 2022
Filed:
Nov. 16, 2017
Applicant:
Nippon Electric Glass Co., Ltd., Shiga, JP;
Inventors:
Yuki Yokota, Shiga, JP;
Toshikatsu Tanaka, Shiga, JP;
Assignee:
NIPPON ELECTRIC GLASS CO., LTD., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/091 (2006.01); C03C 13/00 (2006.01); C03C 3/087 (2006.01); C04B 14/42 (2006.01); C03B 37/08 (2006.01);
U.S. Cl.
CPC ...
C03C 13/00 (2013.01); C03C 3/087 (2013.01); C03C 3/091 (2013.01); C04B 14/42 (2013.01); C03B 37/08 (2013.01); C03C 2213/00 (2013.01);
Abstract
Provided is a composition for a glass fiber which has a high elastic modulus and satisfactory productivity, and can facilitate the production of a fine-count glass fiber. The composition for a glass fiber of the present invention includes, as a glass composition expressed as a mass percent in terms of oxide, 50% to 70% of SiO, 15% to 25% of AlO, 3% to 13% of MgO, 3% to 15% of CaO, and 0.5% to 5% of BO.