Patent · US Expired

Dye preparations containing methine dyes

US6123740A · kind A · utility

5Cited by

7References

6Claims

0Family size

Assignee

BASF SE

Inventors

Rudiger Sens · Ludwigshafen, DE
Bernd Siegel · Ludwigshafen, DE
Manfred Herrmann

Key dates

Filing date	Jun 2, 1999
Grant date	Sep 26, 2000
Priority date	—
Expiry date	Jun 2, 2019

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B67/0084
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Dye preparations useful as inks in the inkjet process and for sublimation transfer printing comprise, based on the weight of each preparation, from 0.1 to 30% by weight of one or more methine dyes, from 0.1 to 20% by weight of a dispersant based on an arylsulfonic acid-formaldehyde condensation product or from 0.1 to 20% by weight of a water-soluble dispersant based on alkoxylated phenols and optionally water.

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