Patent · US Expired

Chromium bearing forehearth color concentrate

US6984597B2 · kind B2 · utility

4Cited by
12References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 24, 2003
Grant dateJan 10, 2006
Priority date
Expiry dateJan 5, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C12/00
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A forehearth color concentrate comprising a non-smelted agglomerated interspersion of particles for use in coloring, said concentrate comprising by weight from about 50% to about 95% of a glass component and from about 4% to about 50% of a binder, said glass component comprising by weight from about 15% to about 35% chromium oxide. The present invention further provides a method of using the color concentrate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.