Patent · US Expired

Surface-modified flaky substrates having improved settling and redispersing characteristics

US5656375A · kind A · utility

4Cited by

5References

10Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Karl Osterried · Dieburg, DE
Gerhard Herget · Ober-Ramstadt, DE
Ralf Glausch · Darmstadt, DE
Roman Maisch · Roßdorf, DE

Key dates

Filing date	Dec 30, 1994
Grant date	Aug 12, 1997
Priority date	—
Expiry date	Dec 30, 2014

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2998
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention relates to surface-modified pigments based on flaky substrates having improved settling and redispersing characteristics and to the preparation and use thereof.

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