Patent · US Expired

Dyestuffs for printing inks

US5421872A · kind A · utility

3Cited by

3References

12Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Artur Haus · Leverkusen, DE
Rolf Richter · East Greenwich, US
Martin Michna · Pulheim, DE

Key dates

Filing date	Aug 5, 1994
Grant date	Jun 6, 1995
Priority date	—
Expiry date	Aug 5, 2014

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B35/30
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The new printing inks, comprising at least one dyestuff of the formula (I) ##STR1## are suitable for printing the most diverse carrier materials, in particular by means of an ink jet recording system.

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