Patent · US Expired

Monoazo dyes and their preparation and use

US6929688B2 · kind B2 · utility

1Cited by

14References

13Claims

0Family size

Assignee

Ilford Imaging Switzerland GmbH · CH

Inventors

Kurt Baettig · Praroman, CH
Thomas Stauner · Unterschleißheim, DE

Key dates

Filing date	May 23, 2003
Grant date	Aug 16, 2005
Priority date	—
Expiry date	Sep 30, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B62/085
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Monoazo dyes of general formula (IV) wherein R1, R2, R3, X, M and n are as described in the specification, are excellent dyes for dyeing and printing of cellulose containing materials and textile materials and especially for the preparation of inks for ink jet printing.

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