Patent ID: 9487435
Filing Date: 2016-11-08
CPC Classification: B23K,B41M,C03C,C04B,C09D,C23C

Claim Text:
1. A composition for forming marks or indicia on a glass substrate upon laser irradiation, the composition comprising: at least one carrier selected from the group consisting of aqueous-based liquids, organic solvents, and combinations thereof; an absorber compound selected from the group consisting of complex inorganic compounds, zirconium compounds, silicon compounds, calcium compounds and combinations thereof; and wherein the absorber compound has an average particle size from about 0.1 microns to about 10 microns, wherein upon disposing the composition on a glass substrate and exposing the composition to laser light, the composition absorbs radiant energy, increases in temperature, chemically bonds with the glass substrate, and forms a mark having a luminance, color value, or degrees of opacity that provides visual contrast with the glass substrate.