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:
Jan. 31, 2023
Filed:
Dec. 24, 2020
Applicant:
Nitto Boseki Co., Ltd., Fukushima, JP;
Inventors:
Assignee:
Nitto Boseki Co., Ltd., Fukushima, JP;
Primary Examiner:
Int. Cl.
CPC ...
C03C 13/00 (2006.01); C03C 3/118 (2006.01); C03C 3/091 (2006.01); C03C 13/04 (2006.01);
U.S. Cl.
CPC ...
C03C 13/00 (2013.01); C03C 3/091 (2013.01); C03C 3/118 (2013.01); C03C 13/045 (2013.01);
Abstract
A glass composition for glass fiber includes SiOin the range of 52.0% by mass or more and 56.0% by mass or less; BOin the range of 21.0% by mass or more and 24.5% by mass or less; AlOin the range of 9.5% by mass or more and 13.0% by mass or less; MgO in the range of 0% by mass or more and less than 1.0% by mass; CaO in the range of 0.5% by mass or more and 5.5% by mass or less; SrO in the range of 0.5% by mass or more and 6.0% by mass or less; and TiOin the range of 0.1% by mass or more and 3.0% by mass or less; and includes Fand Clin the range of 0.1% by mass or more and 2.0% by mass or less in total, with respect to the total amount.