- Patent Title: Glass for medicine container and glass tube for medicine container
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Application No.: US16648878Application Date: 2018-10-16
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Publication No.: US11542191B2Publication Date: 2023-01-03
- Inventor: Satoshi Arai
- Applicant: Nippon Electric Glass Co., Ltd.
- Applicant Address: JP Shiga
- Assignee: Nippon Electric Glass Co., Ltd.
- Current Assignee: Nippon Electric Glass Co., Ltd.
- Current Assignee Address: JP Shiga
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JPJP2017-203699 20171020
- International Application: PCT/JP2018/038440 WO 20181016
- International Announcement: WO2019/078188 WO 20190425
- Main IPC: B32B15/04
- IPC: B32B15/04 ; B32B17/06 ; C03C3/11 ; C03C3/091 ; C03C4/02 ; C03C4/18 ; C03C3/085

Abstract:
The present invention relates to a glass for a pharmaceutical container that is excellent in ultraviolet shielding ability, and is also excellent in chemical durability. The glass for a pharmaceutical container of the present invention includes as a glass composition, in terms of mass %, 67% to 81% of SiO2, more than 4% to 7% of Al2O3, 7% to 14% of B2O3, 3% to 12% of Na2O+K2O, 0% to 1.8% of CaO+BaO, 0.5% to less than 2% of Fe2O3, and 1% to 5% of TiO2, and satisfies a relationship of CaO/BaO≤0.5.
Public/Granted literature
- US20200283331A1 GLASS FOR MEDICINE CONTAINER AND GLASS TUBE FOR MEDICINE CONTAINER Public/Granted day:2020-09-10
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