Patent · US Active

Borosilicate glass having improved hydrolytic resistance for preferred use in the pharmaceutical sector

US9643882B2 · kind B2 · utility

4Cited by

2References

22Claims

0Family size

Assignee

Schott AG · DE

Inventors

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

Key dates

Filing date	Apr 28, 2014
Grant date	May 9, 2017
Priority date	—
Expiry date	Apr 28, 2034

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61J1/065
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Borosilicate glasses, preferably for use in the pharmaceutical sector, are provided. The borosilicate glasses are outstandingly suitable for the use as pharmaceutical primary packaging, such as phials or ampoules, since the aqueous or water-containing medicaments kept in the containers do not attack the glass significantly, and so the glass releases no, or only few, ions. The borosilicate glasses have the following composition in % by weight or consist thereof:

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