Red-dyed glass and method for producing same

US9061939B2 · kind B2 · utility

Assignee

• D. Swarovski KG · AT

Inventors

• Stefan Prowatke · Wattens, AT
• Johannes Maier · Tuntenhausen, DE

Key dates

• Filing date: Oct 23, 2012
• Grant date: Jun 23, 2015
• Expiry date: Nov 22, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C03C4/02
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

The invention relates to red-dyed glass, comprising the components of a base glass, coloring additives, reductants, and stabilizers, wherein the coloring additives comprise copper oxides and neodymium oxides and wherein the reductants comprise tin oxides and wherein the stabilizers comprise antimony oxides, wherein the fraction of the copper oxides in the red-dyed glass is between 0.02 and 0.08 weight percent.