Water-insoluble, antimicrobial silicate glass and use thereof

Details Water-insoluble, antimicrobial silicate glass and use thereof Water-insoluble, antimicrobial silicate glass and use thereof

2007-03-20

2007-03-20

Richter, Johann (Department: 1616)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Biocides; animal or insect repellents or attractants

C424S604000, C501S063000

Reexamination Certificate

active

10487113

ABSTRACT:
The invention relates to an antimicrobial silicate glass with the following weight composition in wt. % based on oxides: SiO220 to 70, Na2O 5 to 30, K2O 0 to 5, P2O51 to 15, B2O30 to 10, CaO 4 to 30, AgO 0 to 2, ZnO 0 to 8, CuO 0 to 5, MgO 0 to 8, Al2O30 to 7, CeO20 to 5, Fe2O30 to 2 whereby the sum of the components AgO, CuO, CeO2is >10 ppm, preferably ≧100 ppm and <8 wt. %.

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