Patent · US Expired

Luster pigments with nitrogen-containing metal layers

US5540770A · kind A · utility

20Cited by

12References

7Claims

0Family size

Assignee

BASF SE

Inventors

Raimund Schmid · Neustadt, DE
Norbert Mronga · Dossenheim, DE
Harald Ochmann · Schifferstadt, DE
J org Adel · Ludwigshafen, DE

Key dates

Filing date	Jun 16, 1995
Grant date	Jul 30, 1996
Priority date	—
Expiry date	Jun 16, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09C2220/20
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Luster pigments based on coated plateletlike substrates comprising nitrogen-containing metal layers and if desired additionally one or more layers consisting essentially of colorless or selectively absorbing metal oxide, are prepared and used for coloring paints, inks, including printing inks, plastics, glasses, ceramic products and decorative cosmetic preparations.

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