Patent · US Expired

Perylene derivatives and their application as dispersants

US6986811B2 · kind B2 · utility

12Cited by

14References

13Claims

0Family size

Assignee

BASF SE

Inventors

Martin Konemann · Mannheim, DE
Ulrike Hees · Mannheim, DE
Valerie Christine Pierre · Vadnais Heights, US

Key dates

Filing date	Jan 20, 2004
Grant date	Jan 17, 2006
Priority date	—
Expiry date	Jan 20, 2024

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B69/102
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to substituted perylene derivatives in which the substituent has a sterically stabilizing and/or electrostatically stabilizing effect. The perylene derivatives of the invention are particularly suitable as pigment dispersants. The present invention additionally relates to pigment preparations in which the perylene derivatives of the invention are used.

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