Patent · US Active

Antimicrobial phosphate glass with adapted refractive index

US7704903B2 · kind B2 · utility

28Cited by

8References

27Claims

0Family size

Assignee

Schott AG · DE

Inventors

Karine Seneschal · Mainz, DE
Jose Zimmer · Ingelheim am Rhein, DE
Jorg Fechner · Mainz, DE
Bianca Schreder · Pocking, DE

Key dates

Filing date	Mar 8, 2005
Grant date	Apr 27, 2010
Priority date	—
Expiry date	Feb 22, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03C2204/02
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention provides an antimicrobial phosphate glass composition including, in weight percent based on oxide: greater than 45 to 90 of P2O5, 0 to 60 of B2O3, 0 to 40 of SiO2, 0 to 20 weight percent of Al2O3, 0 to 30 of SO3, 0 to 0.1 of Li2O, 0 to 0.1 of Na2O, 0 to 0.1 of K2O, 0 to 40 of CaO, 0 to 40 of MgO, 0 to 15 of SrO, 0 to 40 of BaO, 0 to 40 of ZnO, 0 to 5 of Ag2O, 0 to 15 of CuO, 0 to 10 of Cr2O3, 0 to 10 of I—, 0 to 10 of TeO2, 0 to 10 of GeO2, 0 to 10 of TiO2, 0 to 10 of ZrO2, 0 to 10 of La2O3, 0 to 5 of Nb2O3, 0 to 5 of CeO2, 0 to 5 of Fe2O3, 0 to 5 of WO3, 0 to 5 of Bi2O3, and 0 to 5 of MoO3.

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