Novel metallized dyes, their manufacture and use
First Claim
1. A copper, nickel, chromium or cobalt complex of a dye of the formula
wherein D is benzene or naphthalene, Y is an --OH, --OCH3, or --COOH group, Y'"'"' is an --OH, --OCH3 or amino group, provided that Y and Y'"'"' are not both an --OCH3 group, and E is o-hydroxybenzaldehyde or o-hydroxynaphthaldehyde, and wherein one of the groups D or E contains a group of the formula
CH--E--Y'"'"'
space="preserve" listing-type="equation">--N═
N═
Ar).sub.m-1 Z--R.sub.2 --Uwherein Z is a bridge member of the formula --SO2 --, --SO2 N(R1)-- or --CO--N(R1)--, wherein R1 is hydrogen or a low molecular weight alkyl group, R2 is a low molecular weight alkylene group or an arylene group, Ar is an arylene group, m is 1 or 2 and U is a sulfo or carboxy group, and wherein D and E, besides carrying this group, can carry only non-ionogenic substituents which do not impart solubility in water except that together D and E can carry at most one additional sulfo group.
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Accused Products
Abstract
The present invention relates to copper, nickel, chromium or cobalt complexes of azo or azomethine dyes which contain a group of the formula
--N═N═Ar).sub.m-1 Z--R.sub.2 --U
wherein Z is a bridge member of the formula ##STR1## wherein R1 is hydrogen or a low molecular alkyl group, R2 is a low molecular alkylene radical or an arylene radical, Ar is an arylene radical, m is 1 or 2 and U is a sulpho or carboxy group.
12 Citations
4 Claims
- 1. A copper, nickel, chromium or cobalt complex of a dye of the formula
- space="preserve" listing-type="equation">Y--D--N═
CH--E--Y'"'"'
wherein D is benzene or naphthalene, Y is an --OH, --OCH3, or --COOH group, Y'"'"' is an --OH, --OCH3 or amino group, provided that Y and Y'"'"' are not both an --OCH3 group, and E is o-hydroxybenzaldehyde or o-hydroxynaphthaldehyde, and wherein one of the groups D or E contains a group of the formula
space="preserve" listing-type="equation">--N═
N═
Ar).sub.m-1 Z--R.sub.2 --Uwherein Z is a bridge member of the formula --SO2 --, --SO2 N(R1)-- or --CO--N(R1)--, wherein R1 is hydrogen or a low molecular weight alkyl group, R2 is a low molecular weight alkylene group or an arylene group, Ar is an arylene group, m is 1 or 2 and U is a sulfo or carboxy group, and wherein D and E, besides carrying this group, can carry only non-ionogenic substituents which do not impart solubility in water except that together D and E can carry at most one additional sulfo group. - View Dependent Claims (2)
- space="preserve" listing-type="equation">Y--D--N═
-
3. The compound of the formula:
- ##STR72##
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4. The compound of the formula:
- ##STR73##
Specification
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- Resources
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Current AssigneeCIBA Specialty Chemicals
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Original AssigneeCiba-Geigy Corporation (Novartis Ag)
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InventorsSchutz, Hans U., Buhler, Arthur
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Primary Examiner(s)Sneed, Helen M. S.
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Application NumberUS06/146,973Time in Patent Office673 DaysField of Search260/429 C, 260/148, 260/438.1US Class Current534/695CPC Class CodesC09B 45/00 Complex metal compounds of ...C09B 55/002 Monoazomethine dyesD06P 1/10 containing metalD06P 1/13 using azomethine dyes
