Patent · US Expired

Stable colorant compositions

US6080209A · kind A · utility

7Cited by

10References

9Claims

0Family size

Assignee

BASF SE

Inventors

Matthias Wiesenfeldt · Mutterstadt, DE
Johannes P. Dix · Schifferstadt, DE
Rudolf Paulus · Munich, DE
Manfred Herrmann

Key dates

Filing date	Sep 25, 1998
Grant date	Jun 27, 2000
Priority date	—
Expiry date	Sep 25, 2018

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06P1/5257
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Stable aqueous dye compositions containing at least one anionic colorant and at least one pigment and a polyanionic thickening agent. The dye compositions may be used to dye leather.

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