Patent · US Expired

Composite pigments based on polyalkylenepolyamine-modified nanoparticulate metal oxides and anionic dyes

US6129786A · kind A · utility

12Cited by

5References

15Claims

0Family size

Assignee

BASF SE

Inventors

Boubacar Camara · Auenwald, DE
Manfred Patsch · Monsheim, DE
Ulrich Steuerle · Heidelberg, DE
Jurgen Romeis · Ludwigshafen, DE

Key dates

Filing date	May 19, 1998
Grant date	Oct 10, 2000
Priority date	—
Expiry date	May 19, 2018

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K9/08
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Composite pigments based on nanoparticulate metal oxides modified by crosslinked or uncrosslinked polyalkylenepolyamine and anionic dyes are useful for coloring paints, inks, plastic, paper, wood, leather and textile materials.

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