US 12,269,645 B2
Coated glass element
Tanja Woywod, Mainz (DE); Eveline Rudigier-Voigt, Mainz (DE); Jovana Djordjevic-Reiß, Mainz (DE); Uwe Rothhaar, Birkenheide (DE); Michaela Klause, Mainz (DE); Sylvia Biedenbender, Bingen (DE); and Hartmut Bauch, Mommenheim (DE)
Assigned to Schott AG, Mainz (DE)
Filed by Schott AG, Mainz (DE)
Filed on Mar. 25, 2022, as Appl. No. 17/704,590.
Claims priority of application No. 21164787 (EP), filed on Mar. 25, 2021.
Prior Publication US 2022/0315284 A1, Oct. 6, 2022
Int. Cl. B65D 23/02 (2006.01); A61J 1/14 (2023.01); C03C 17/00 (2006.01)
CPC B65D 23/02 (2013.01) [A61J 1/1468 (2015.05); C03C 17/004 (2013.01); C03C 2217/70 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A coated glass container, comprising:
a glass surface; and
a coating that coats at least part of the glass surface to form a coated glass surface, the coating comprising at least one layer, wherein the coated glass container fulfills the following parameter:
leaching of [Na] ions after an alkaline treatment is 1 mg/l or less [Na] ions, wherein the container defines a brimful volume and the alkaline treatment comprises filling the container with 0.9× the brimful volume of a 0.005 mol/l KOH-solution and demineralized water, closing the container, autoclaving the container for 3 hours at 121° C. at 2 bar, emptying the container, and washing the container two times with deionized water.