Patent · US Expired

Triazinyl-amino bridge-containing disazo dyestuffs

US5519121A · kind A · utility

9Cited by

2References

8Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Gerd-Friedrich Renner · Lingen (Ems), DE
Peter Wild · Odenthal, DE
Karin Hassenruck · Mülheim an der Ruhr, DE

Key dates

Filing date	Feb 24, 1995
Grant date	May 21, 1996
Priority date	—
Expiry date	Feb 24, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B62/09
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Novel dyestuffs of the formula (I) ##STR1## in which DK denotes a radical of the formula ##STR2## where m is 1 or 2 and DK' denotes a radical of the formula ##STR3## where n is 1 or 2 R.sub.1 represents hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkyl, PA1 R.sub.2 represents hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy, PA1 R.sub.3 represents substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -acylamino and PA1 R.sub.4 represents substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl. have now been found. The invention also relates to a process for their preparation and to their use for dyeing/coloring and printing textiles and paper, in particular in printing inks containing these dyestuffs.

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