Patent · US Active

Pharmaceutical packaging comprising a chemically resistant glass

US10315948B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

Schott AG · DE

Inventors

Michael Schwall · Mainz, DE
Christof Kass · Tirschenreuth, DE
Stephan Tratzky · Mitterteich, DE
Rainer Eichholz · Frankfurt, DE
Peter Nass · Mainz, DE

Key dates

Filing date	May 4, 2017
Grant date	Jun 11, 2019
Priority date	—
Expiry date	May 8, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03C2204/00
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A pharmaceutical packaging is provided including a glass, comprising at least the following components (given in mol % on oxide basis): SiO2: 5 9-84, Al2O3: 7-18.5, CaO: 1-25, SrO: 0-6.5, BaO: 0-5, ZrO2: 0-3, TiO2: 0-5, B2O3: 0-1, wherein the ratio (CaO+SrO+BaO)/Al2O3<2.8, wherein the ratio (CaO+SrO+BaO)/SiO2≤0.39, wherein the hydrolytic resistance according to DIN ISO 720 is class HGA 1, and wherein the glass, apart from unavoidable contaminations, is free of alkali oxides and magnesium oxides.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.