Patent · US Expired

Goniochromatic bright pigments

US7300510B2 · kind B2 · utility

9Cited by

8References

10Claims

0Family size

Assignee

BASF SE

Inventors

Oliver Seeger · Mannheim, DE
Norbert Mronga · Dossenheim, DE
Rainer Henning · Munster, DE
Raimund Schmid · Neustadt, DE

Key dates

Filing date	May 8, 2003
Grant date	Nov 27, 2007
Priority date	—
Expiry date	Jan 15, 2024

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09C2200/409
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Goniochromatic luster pigments comprising at least one dielectric low-refractive interference-colored layer which includes a polar organic solvent which can interact with the layer material via functional groups.

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