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:
Sep. 23, 2025
Filed:
Dec. 28, 2022
Applicant:
Nippon Sheet Glass Company, Limited, Tokyo, JP;
Inventor:
Aya Nakamura, Mie, JP;
Assignee:
NIPPON SHEET GLASS COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C 3/087 (2006.01); C03C 3/089 (2006.01); C03C 13/00 (2006.01);
U.S. Cl.
CPC ...
C03C 3/087 (2013.01); C03C 3/089 (2013.01); C03C 13/00 (2013.01); C03C 2213/00 (2013.01);
Abstract
The present disclosure provides a glass composition for glass fibers, the glass composition including, in mass %: SiO: 59.5 to 62.5%; AlO: 19 to 21.2%; BO: 0 to 0.5%; MgO: 16 to 18%; CaO: 0 to 1.5%; LiO: 0 to 1.0%; NaO: 0 to 0.2%; KO: 0 to 0.1%; TiO: 0 to 5%; ZrO: 0 to 5%; ZnO: 0 to 1.5%; and F: 0 to 0.1%.