US4169832A
Expired / Lapsed
US
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Disazo and trisazo intermediates for polyazo dyes containing a stilbenyl or 2,2'-disulfostilbenyl radical
Assignee: Sandoz AG
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Filing: 1978-03-13
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Granted: 1979-10-02
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Expires: 1998-03-13
Abstract
Abstract Disclosed are compounds of the formula, <IMAGE> +TR <IMAGE> wherein THE X's are the same and are hydrogen or -SO3M, Y is hydrogen, C1-4alkyl, C1-4alkoxy, hydroxy, halogen, -COOM or -SO
Inventors
- 👤 Heinz Wicki
- 👤 Claude Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:20
CPC Classifications
C; C09; C09B; C09B35/00; C09B35/38; C09B35/44; C09B35/46; C09B35/50; C09B35/52
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
180 words
A compound of the formula ##STR188## wherein each of A 1 , B 1 and C 1 is independently hydrogen or --SO 3 M, with the proviso that when A 1 is --SO 3 M, one of B 1 and C 1 is --SO 3 M and the other is hydrogen and when A 1 is hydrogen, B 1 is --SO 3 M and C 1 is hydrogen, Q is --NH 2 , --NO 2 , acylamino or K 3 --N═N--, wherein K 3 is a coupling component radical free of diazotizable amino groups, Q' is --NH 2 --NO 2 , acylamino or --N═N--K 4 , wherein K 4 is a coupling component radical free of diazotizable amino groups, each X is hydrogen or --SO 3 M, with the proviso that the two X's are the same, Y is hydrogen, C 1-4 alkyl, C 1-4 alkoxy, hydroxy, fluoro, chloro, bromo, --COOM or --SO 3 M, and each M is hydrogen or a non-chromophoric cation, with the proviso that when Q is K 3 --N═N--, Q' is --NH 2 or acylamino.
Claim 2
Dependent Claim
180 words
A compound of the formula ##STR188## wherein each of A 1 , B 1 and C 1 is independently hydrogen or --SO 3 M, with the proviso that when A 1 is --SO 3 M, one of B 1 and C 1 is --SO 3 M and the other is hydrogen and when A 1 is hydrogen, B 1 is --SO 3 M and C 1 is hydrogen, Q is --NH 2 , --NO 2 , acylamino or K 3 --N═N--, wherein K 3 is a coupling component radical free of diazotizable amino groups, Q' is --NH 2 --NO 2 , acylamino or --N═N--K 4 , wherein K 4 is a coupling component radical free of diazotizable amino groups, each X is hydrogen or --SO 3 M, with the proviso that the two X's are the same, Y is hydrogen, C 1-4 alkyl, C 1-4 alkoxy, hydroxy, fluoro, chloro, bromo, --COOM or --SO 3 M, and each M is hydrogen or a non-chromophoric cation, with the proviso that when Q is K 3 --N═N--, Q' is --NH 2 or acylamino.
Claim 3
Dependent Claim
17 words
A compound according to claim 1 wherein Q' is --NH 2 when Q is K 3 --N═N--.
Claim 4
Dependent Claim
135 words
A compound according to claim 2 having the formula ##STR189## wherein each of A 1 , B 1 and C 1 is independently hydrogen or --SO 3 M, with the proviso that when A 1 is --SO 3 M, one of B 1 and C 1 is --SO 3 M and the other is hydrogen and when A 1 is hydrogen, B 1 is --SO 3 M and C 1 is hydrogen, Q is --NH 2 , --NO 2 or acylamino, Q' is --NH 2 , --NO 2 or acylamino, each X is hydrogen or --SO 3 M, with the proviso that the two X's are the same, Y is hydrogen, C 1-4 alkyl, C 1-4 alkoxy, hydroxy, fluoro, chloro, bromo, --COOM or --SO 3 M, and each M is hydrogen or a non-chromophoric cation.
Claim 5
Dependent Claim
34 words
A compound according to claim 3 wherein Q is --NH 2 , --NO 2 , formamido or (C 1-4 alkyl)carbonylamino, and Q' is --NH 2 , --NO 2 , formamido or (C 1-4 alkyl)carbonylamino.
Claim 6
Dependent Claim
30 words
A compound according to claim 4 wherein Q is --NH 2 , --NO 2 , formamido or acetamido, and Q' is --NH 2 , --NO 2 , formamido or acetamido.
Claim 7
Dependent Claim
15 words
A compound according to claim 5 wherein Q is --NO 2 , formamido or acetamido.
Claim 8
Dependent Claim
12 words
A compound according to claim 6 wherein Q' is --NH 2 .
Claim 9
Dependent Claim
21 words
A compound according to claim 5 wherein Q is --NH 2 , and Q' is --NO 2 , formamido or acetamido.
Claim 10
Dependent Claim
18 words
A compound according to claim 5 wherein Q is --NO 2 , and Q' is --NO 2 .
Claim 11
Dependent Claim
33 words
A compound according to claim 9 wherein A 1 is --SO 3 M, B 1 is hydrogen, C 1 is --SO 3 M, each X is --SO 3 M, and Y is hydrogen.
Claim 12
Dependent Claim
18 words
A compound according to claim 5 wherein Q is --NH 2 , and Q' is --NH 2 .
Claim 13
Dependent Claim
33 words
A compound according to claim 11 wherein A 1 is --SO 3 M, B 1 is hydrogen, C 1 is --SO 3 M, each X is --SO 3 M, and Y is hydrogen.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-10-01 | 1983-04-02 | 1983-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-10-01 | 1987-04-02 | 1987-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-10-01 | 1991-04-02 | 1991-10-02 | $7700.00 | Window Closed / Lapsed |