Title:
DISPERSE AZO DYESTUFFS
Document Type and Number:
WIPO Patent Application WO2005040283
Kind Code:
A3
Abstract:
The present invention claims dyestuffs of formula (I), wherein D, R<1> to R<7> and n are defined as given in claim 1, a process for their preparation and their use.
Inventors:
HALL NIGEL (GB)
Application Number:
PCT/EP2004/011590
Publication Date:
June 30, 2005
Filing Date:
October 15, 2004
Export Citation:
Assignee:
DYSTAR TEXTILFARBEN GMBH & CO (DE)
HALL NIGEL (GB)
HALL NIGEL (GB)
International Classes:
C09B29/00; C09B29/08; C09B31/043; (IPC1-7): C09B29/01; C09B29/00; C09B29/033; C09B29/039; C09B29/08; C09B31/043
Domestic Patent References:
WO1999050357A1 | 1999-10-07 |
Foreign References:
GB909843A | 1962-11-07 | |||
DE2130992A1 | 1971-12-30 | |||
DE2811167A1 | 1979-09-20 | |||
GB1457532A | 1976-12-01 | |||
FR1531147A | 1968-06-28 | |||
GB2104088A | 1983-03-02 | |||
GB1351381A | 1974-04-24 | |||
GB2335924A | 1999-10-06 |
Other References:
DATABASE WPI Section Ch Week 198108, Derwent World Patents Index; Class A23, AN 1981-12791D, XP002325365
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