Patent · US Expired

Colorant preparations

US6607565B1 · kind B1 · utility

12Cited by

8References

8Claims

0Family size

Assignee

BASF SE

Inventors

Manfred Herrmann
Bernd Siegel · Ludwigshafen, DE
Karl Siemensmeyer · Bischofswerda, DE

Key dates

Filing date	May 25, 2000
Grant date	Aug 19, 2003
Priority date	—
Expiry date	May 25, 2020

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06P1/20
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Dye preparations comprising, based on the weight of the preparation, from 0.1 to 30% by weight of one or more dyes selected from the class of the anthraquinones or quinophthalones which are free of ionic groups, from 0.1 to 20% by weight of a dispersant based on an arylsulfonic acid-formaldehyde condensation product, from 10 to 90% by weight of a mono- or polyhydric alcohol and optionally water, are useful as inks in the inkjet process and also for sublimation transfer printing.

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