Patent · US Expired

Solid pigment preparations comprising surface-active additives based on alkoxylated bisphenols

US7172653B2 · kind B2 · utility

4Cited by

7References

10Claims

0Family size

Assignee

BASF SE

Inventors

Hansulrich Reisacher · Sachsenheim, DE
Michael Kluge · Ludwigshafen, DE

Key dates

Filing date	Sep 12, 2003
Grant date	Feb 6, 2007
Priority date	—
Expiry date	Jan 7, 2024

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B67/0085
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention related to solid pigment preparations essentially comprising the following components: (A) 60 to 90 wt. % of at least one pigment and (B) 10 to 40 wt. % of at last one surface active additive from the group of reaction products of alkylene oxides with a bisphenol of the general formula (I) in which the rings A are each mono- or di-substituted by C1–C8 alkyl, phenyl or phenyl C1–C9 alkyl and R1 and R2 independently=H, or C1–C8 alkyl, methods for production thereof and for dyeing high molecular weight organic and inorganic materials

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