Patent · US Active

Metallic articles having vitreous or glass-ceramic pigmented protective layers having a high chemical resistance

US9534297B2 · kind B2 · utility

0Cited by

1References

19Claims

0Family size

Assignee

EPG (ENGINEERED NANOPRODUCTS GERMANY) AG · DE

Inventors

Helmut Schmidt · Riegelsberg, DE
Carsten Schmidt · Jena, DE
Thomas Dembski · Guenviller, FR

Key dates

Filing date	Dec 23, 2009
Grant date	Jan 3, 2017
Priority date	—
Expiry date	Sep 18, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/257
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

Metallic substrates with a vitreous or glass-ceramic pigmented protective layer are obtainable by applying an alkali metal silicate-containing coating sol to the substrate or a surface thereof and thermally densifying the layer thus obtained, said alkali metal silicate-containing coating sol comprising an oxidic pigment of at least one element selected from the third and fourth main or subgroups of the Periodic Table of the chemical elements and the transition metals Fe, Co, Ni, Cu, Zn, Nb and Ta.

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