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:
Jul. 08, 2025
Filed:
Jun. 05, 2023
Nitto Boseki Co., Ltd., Fukushima, JP;
Takanobu Hosokawa, Koriyama, JP;
Tatsuya Komukai, Koriyama, JP;
Jun Ito, Koriyama, JP;
Kazuaki Takagi, Koriyama, JP;
Tadashi Kurita, Koriyama, JP;
Nitto Boseki Co., Ltd., Fukushima, JP;
Abstract
A glass composition for glass fiber includes NbOof 0.0001 to 0.3500% by mass, and SOof 0.0010 to 0.0100% by mass with respect to a total amount of the glass composition for glass fiber, wherein assuming that a rest of the total amount excluding SOand NbOis 100 parts by mass, the glass composition for glass fiber includes SiOof 48.0 to 60.0 parts by mass, BOof 18.4 to 27.0 parts by mass, AlOof 10.8 to 17.0 parts by mass, MgO of 0 to 2.5 parts by mass, CaO of 0. to 6.0 parts by mass, SrO of 0 to 4.5 parts by mass, TiOof 0.5 to 3.5 parts by mass, and Fand Clof 0 to 2.5 parts by mass in total, and a ratio SO/NbOis 0.07 to 13.70.