Invention Grant
- Patent Title: Fused quartz tubing for pharmaceutical packaging
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Application No.: US15176259Application Date: 2016-06-08
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Publication No.: US09919948B2Publication Date: 2018-03-20
- Inventor: Kipyung Ahn , Guangjun Xu , Martin Panchula , Samuel Conzone , Tianjun Rong , Konstantin S. Zuyev , Yen Zhou
- Applicant: Momentive Performance Materials Inc.
- Applicant Address: US NY Waterford
- Assignee: MOMENTIVE PERFORMANCE MATERIALS, INC.
- Current Assignee: MOMENTIVE PERFORMANCE MATERIALS, INC.
- Current Assignee Address: US NY Waterford
- Agency: McDonald Hopkins LLC
- Agent Joseph Waters
- Main IPC: C03C3/06
- IPC: C03C3/06 ; A61J1/00 ; B65D1/00 ; C03C4/00 ; C03B1/00 ; A61J1/14 ; C03C4/08 ; C03C4/20 ; C03B17/04

Abstract:
A high silica glass composition comprising about 92 to about 99.9999 wt. % SiO2 and from about 0.0001 to about 8 wt. % of at least one dopant selected from Al2O3, CeO2, TiO2, La2O3, Y2O3, Nd2O3, other rare earth oxides, and mixtures of two or more thereof. The glass composition has a working point temperature ranging from 600 to 2,000° C. These compositions exhibit stability similar to pure fused quartz, but have a moderate working temperature to enable cost effective fabrication of pharmaceutical packages. The glass is particularly useful as a packaging material for pharmaceutical applications, such as, for example pre-filled syringes, ampoules and vials.
Public/Granted literature
- US20160355429A1 FUSED QUARTZ TUBING FOR PHARMACEUTICAL PACKAGING Public/Granted day:2016-12-08
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