Patent · US Expired

Aqueous carbon black dispersions

US6503311B1 · kind B1 · utility

21Cited by

7References

9Claims

0Family size

Assignee

Degussa AG · DE

Inventors

Alfons Karl · Hanau, DE
Werner Kalbitz · Rodenbach, DE
Horst Kleinhenz · Großkrotzenburg, DE
Gerd Tauber · Seligenstadt, DE

Key dates

Filing date	Nov 6, 2000
Grant date	Jan 7, 2003
Priority date	—
Expiry date	Nov 6, 2020

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D17/005
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Aqueous carbon black dispersions, wherein the carbon black dispersions contain no wetting agent and contain at least one ozone-oxidized carbon black. The dispersions are produced by dispersing ozone-oxidized carbon black and other constituents in water. The dispersions may be used for the production of inks, printing inks and water-based lacquer systems.

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