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US4036826A
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Cationic azo dyestuffs with a hydroxyalkylated ammonium group
Assignee: Bayer AG
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Filing: 1974-02-26
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Granted: 1977-07-19
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Expires: 1994-02-26
Abstract
Abstract Cationic azo dyestuffs of the formula ##STR1## WHEREIN D denotes the radical of an azo dyestuff which is free of sulphonic acid groups, R denotes an alkylene radical, R 1 denotes hydrogen or alkyl, R 2 denotes alkyl, alkenyl or aralkyl, R 3 denotes alkyl and R 1 and R 2 , or R 2 and R 3 , can together form the radical of a heterocyclic ring, R 4 denotes hydroxyalkyl with 3 or more C atoms or arylhydroxyethyl and An.sup.( - ) denotes an anion, Are used for dyeing and printing of polymers and copolymers of acrylonitrile, acid modified polyesters or polyamides, leather, tanned cotton, polyurethanes and lignin containing fibers and for coloring writing liquids.
Inventors
- 👤 Gunther Boehmke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:38
CPC Classifications
C; C09; C09B; C09B44/00; C09B44/02; C09B44/04
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
117 words
Cationic azo dyestuff of the formula ##STR117## wherein R 6 denotes methyl, ethyl, propyl, or butyl, R 7 denotes methyl, ethyl, propyl or butyl, R 8 denotes methyl, ethyl, propyl or butyl, R 9 denotes 2-hydroxypropyl, 2-hydroxybutyl, 2-hydroxyethylphenyl, 2-hydroxy-3-methoxy-propyl, 2-hydroxy-3-chloro-propyl, 2-hydroxy-3-ethoxy-propyl, 2-hydroxy-3-propoxy-propyl, 2-hydroxy-3-allyloxy-propyl, 2-hydroxy-3-butoxy-propyl, 2-hydroxy-3-phenoxy-propyl or 2-hydroxy-3-benzoxy-propyl, R 10 denotes hydrogen, methyl, ethyl, propyl, butyl, chloro, bromo, methoxy, ethoxy, propoxy, acetylamino, propionylamino or methylsulphonylamino, R 11 denotes hydrogen, methyl, ethyl, propyl, butyl, chloro, bromo, methoxy, ethoxy or propoxy, R 12 denotes methyl, ethyl, propyl, butyl, chloro, bromo, cyano, nitro, methoxy, ethoxy, propoxy, methoxycarbonyl or ethoxycarbonyl, acetoxy, acetyl, sulphonamido or carbonamido, n denotes 1 to 5, p denotes 2 or 3 and An.sup.( - ) denotes an anion.
Claim 2
Dependent Claim
117 words
Cationic azo dyestuff of the formula ##STR117## wherein R 6 denotes methyl, ethyl, propyl, or butyl, R 7 denotes methyl, ethyl, propyl or butyl, R 8 denotes methyl, ethyl, propyl or butyl, R 9 denotes 2-hydroxypropyl, 2-hydroxybutyl, 2-hydroxyethylphenyl, 2-hydroxy-3-methoxy-propyl, 2-hydroxy-3-chloro-propyl, 2-hydroxy-3-ethoxy-propyl, 2-hydroxy-3-propoxy-propyl, 2-hydroxy-3-allyloxy-propyl, 2-hydroxy-3-butoxy-propyl, 2-hydroxy-3-phenoxy-propyl or 2-hydroxy-3-benzoxy-propyl, R 10 denotes hydrogen, methyl, ethyl, propyl, butyl, chloro, bromo, methoxy, ethoxy, propoxy, acetylamino, propionylamino or methylsulphonylamino, R 11 denotes hydrogen, methyl, ethyl, propyl, butyl, chloro, bromo, methoxy, ethoxy or propoxy, R 12 denotes methyl, ethyl, propyl, butyl, chloro, bromo, cyano, nitro, methoxy, ethoxy, propoxy, methoxycarbonyl or ethoxycarbonyl, acetoxy, acetyl, sulphonamido or carbonamido, n denotes 1 to 5, p denotes 2 or 3 and An.sup.( - ) denotes an anion.
Claim 3
Dependent Claim
11 words
Cationic azo dyestuff according to claim 1 of the formula ##STR118##
Claim 4
Dependent Claim
11 words
Cationic azo dyestuff according to claim 1 of the formula ##STR119##
Claim 5
Dependent Claim
11 words
Cationic azo dyestuff according to claim 1 of the formula ##STR120##
Claim 6
Dependent Claim
11 words
Cationic azo dyestuff according to claim 1 of the formula ##STR121##
Claim 7
Dependent Claim
11 words
Cationic azo dyestuff according to claim 1 of the formula ##STR122##
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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) | 1980-07-18 | 1981-01-17 | 1981-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-07-18 | 1985-01-17 | 1985-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-07-18 | 1989-01-17 | 1989-07-19 | $7700.00 | Window Closed / Lapsed |