Patent · US Expired

Surface-modified, platelet-shaped pigments having improved dispersibility

US5228912A · kind A · utility

34Cited by

1References

14Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Gerhard Herget · Ober-Ramstadt, DE
Tanja Delp · Darmstadt, DE

Key dates

Filing date	May 27, 1992
Grant date	Jul 20, 1993
Priority date	—
Expiry date	May 27, 2012

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01P2004/20
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to surface-modified pigments based on platelet-shaped substrates having improved dispersibility and to their preparation and use.

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