Patent · US Active

Pigments with improved sparkling effect

US8936799B2 · kind B2 · utility

1Cited by

9References

16Claims

0Family size

Assignee

BASF SE

Inventors

Raimund Schmid · Neustadt, DE
Norbert Mronga · Dossenheim, DE
Patrice Bujard · Courtepin, CH
Steven Jones · Newmarket, CA
Paul Cao · Ossining, US

Key dates

Filing date	Oct 18, 2010
Grant date	Jan 20, 2015
Priority date	—
Expiry date	Oct 18, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K9/02
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to pigments with improved and adjustable sparkling effect comprising A) a plate-like substrate of perlite coated with (a) dielectric material, and/or metal; and B) a plate-like substrate of mica, coated with (a) dielectric material, and/or a metal; and a process for their production and their use in paints, ink jet printing, for dyeing textiles, for pigmenting coatings (paints), printing inks, plastics, cosmetics, glazes for ceramics and glass. The pigments show an improved sparkle effect; in particular an attractive high sparkle intensity.

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