Patent · US Expired

Carbon-containing figments

US5827361A · kind A · utility

9Cited by

5References

11Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Klaus Bernhardt · Groß-Umstadt, DE
Reiner Vogt · Darmstadt, DE
Gerhard Pfaff · Mainburg, DE

Key dates

Filing date	Mar 29, 1995
Grant date	Oct 27, 1998
Priority date	—
Expiry date	Mar 29, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC01P2004/84
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to carbon-containing pigments having improved abrasion resistance and dispersibility and to their production.

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