Patent · US Expired

Solid pigment preparations

US6596073B1 · kind B1 · utility

16Cited by

11References

23Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Peter-Roger Nyssen · Dormagen, DE
Josef Witt · Leverkusen, DE

Key dates

Filing date	Aug 6, 2001
Grant date	Jul 22, 2003
Priority date	—
Expiry date	Aug 6, 2021

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD21H21/285
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to a solid pigment composition comprisinga) at least one pigment,b) at least one compound selected from the group consisting ofb0) a phenol-styrene-polyglycol ether or an ionically modified phenol-styrene-polyglycol ether,b1) a condensation product prepared fromb1A) sulphonated aromaticsb1B) aldehydes and/or ketones andb1C) optionally one or more compounds selected from the group of unsulphonated aromatics, urea and urea derivatives, andb2) phosphoric acid, phosphonic acid and derivatives thereof, andc) at least one organic thickener.

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