Patent · US Active

Anthrapyridone dyes and their preparation and use

US7828886B2 · kind B2 · utility

4Cited by

12References

10Claims

0Family size

Assignee

Ilford Imaging Switzerland GmbH · CH

Inventors

Kurt Baettig · Praroman, CH
Gerald Jan · Villars-sur-Glâne, CH

Key dates

Filing date	Sep 24, 2009
Grant date	Nov 9, 2010
Priority date	—
Expiry date	Sep 24, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B5/14
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Anthrapyridone dyes of general formula (III)wherein X, R1, R2, R3, R4, M and n are as defined in the specification, are excellent magenta dyes for dying and printing cellulose containing materials and textile materials and, in particular, for the preparation of recording liquids for ink jet printing.

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