Nickel-free and chromium-free forehearth colors for glass tanks

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United States of America Patent

PATENT NO 9688566
APP PUB NO 20170036947A1
SERIAL NO

15227136

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Abstract

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The invention relates to the field of forehearth frits, pearls, and/or concentrates for use in glass compositions. In particular, the present invention provides a system of forehearth frits, pearls, and/or concentrates that is capable of imparting a brown color to a glass composition for forming colored glass in the forehearth of a glass furnace, and a method of using the colored system of forehearth frits, pearls, and/or concentrates. The invention further provides a glass composition for use in forming the color system or for use directly in a forehearth.

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Patent Owner(s)

  • FERRO CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Darbouret, Benoit Saint-Dizier, FR 2 2
Grapton, Jean-Luc Gigny Bussy, FR 1 1
Sakoske, George E Independence, US 71 628

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