US 5,401,306 AGranted

Luster pigments with a metal sulfide coating

AssigneeBASF SE

InventorsRaimund Schmid, Norbert Mronga

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Abstract

Luster pigments based on coated, plateletlike, silicatic or metallic substrates wherein the coating comprises a metal sulfide are useful for coloring paints, printing inks, plastics, glasses, ceramic products and decorative cosmetic preparations.

Claims10

Dependent claims

Luster pigments based on coated platelet shaped, silicatic or metallic substrates wherein the coating comprises a non-selectively absorbing, black metal sulfide selected from the group consisting of a sulfide of chromium, tungsten and molybdenum.

Dependencies are inferred from the claim text.

Facts

Application: 08/287,403Filed 5 Aug 1994 · continuation
Priority: DE 42 23 383.616 Jul 1992
Granted: 28 Mar 1995
Term ends: Not estimatedThe source records don’t support an estimate.

Classification31 codes

C04B 33/14
Compounding ingredients: colouring matters
A61K 8/0241
Characterised by special physical form: containing particulates characterized by their shape and/or structure
A61K 8/23
Containing inorganic ingredients: sulfur; Selenium; Tellurium; Compounds thereof
A61Q 1/02
Make-up preparations; Body powders; Preparations for removing make-up: preparations containing skin colorants, e.g. pigments

Family

Serial92,497Parent of this continuation · filed 16 Jul 1993
US 5,401,306 AThis patent

From the US filing history. Foreign family members aren’t listed.

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