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US4299764A
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Azo reactive dyestuffs
Assignee: Bayer AG
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Filing: 1979-07-05
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Granted: 1981-11-10
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Expires: 1999-07-05
Abstract
Abstract Dyestuffs of the formula ##STR1## wherein R, T 1 , R 1 , R 2 , NR 1 R 2 , T 2 , Z, B and. . . have the meaning given in the description, and their use for dyeing and printing materials containing hydroxyl groups or amide groups, such as textile fibers, filaments and fabrics of wool, silk, synthetic polyamide fibers and polyurethane fibers, and for the wash-fast dyeing and printing of natural or regenerated cellulose.
Inventors
- 👤 Horst Jager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:18
CPC Classifications
C; C09; C09B; C09B62/00; C09B62/002; C09B62/006; C09B62/008; C09B62/0088; C09B62/02; C09B62/04; C09B62/043
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
171 words
Dyestuffs of the formula ##STR28## wherein R . . . hydrogen or lower alkyl, T 1 . . . hydrogen, optionally substituted alkyl, aralkyl, cycloalkyl, aryl, heteroaryl, or a group of the formula --CN, --COOR 1 , --CONR 1 R 2 , --COR 1 or --OH, wherein R 1 and R 2 each independently of one another denote hydrogen, optionally substituted alkyl, aralkyl, cycloalkyl, aryl or heteroaryl, or the group --NR 1 R 2 represents the radical of a five-membered or six-membered heterocyclic ring compound, T 2 . . . hydrogen, optionally substituted alkyl, aralkyl, cycloalkyl, aryl, heteroaryl, a sulpho, a nitro, a nitroso, an alkylsulphonyl, an arylsulphonyl or an acylamino group, a halogen atom, such as chlorine, bromine or fluorine, or a group of the formula --CN, --COOR 1 , --CONR 1 R 2 or --COR 1 , Z . . . hydrogen, optionally substituted alkyl, aralkyl, cycloalkyl, aryl or heteroaryl, B . . . a direct bond or divalent bridge member and X . . . an acyl radical.
Claim 2
Dependent Claim
171 words
Dyestuffs of the formula ##STR28## wherein R . . . hydrogen or lower alkyl, T 1 . . . hydrogen, optionally substituted alkyl, aralkyl, cycloalkyl, aryl, heteroaryl, or a group of the formula --CN, --COOR 1 , --CONR 1 R 2 , --COR 1 or --OH, wherein R 1 and R 2 each independently of one another denote hydrogen, optionally substituted alkyl, aralkyl, cycloalkyl, aryl or heteroaryl, or the group --NR 1 R 2 represents the radical of a five-membered or six-membered heterocyclic ring compound, T 2 . . . hydrogen, optionally substituted alkyl, aralkyl, cycloalkyl, aryl, heteroaryl, a sulpho, a nitro, a nitroso, an alkylsulphonyl, an arylsulphonyl or an acylamino group, a halogen atom, such as chlorine, bromine or fluorine, or a group of the formula --CN, --COOR 1 , --CONR 1 R 2 or --COR 1 , Z . . . hydrogen, optionally substituted alkyl, aralkyl, cycloalkyl, aryl or heteroaryl, B . . . a direct bond or divalent bridge member and X . . . an acyl radical.
Claim 3
Dependent Claim
31 words
Dyestuffs of the formula ##STR29## wherein R, T 1 , T 2 and Z have the meaning given in claim 1 and X 2 denotes the radical of a reactive component.
Claim 4
Dependent Claim
19 words
Dyestuffs of claims 1 or 2, wherein X or X 2 =dichlorotriazinyl, monochlorotriazinyl, trihalogenopyrimidinyl, 2,3-dichloroquinoxaline-6-carbonyl or 6-sulphonyl or dihalogenopyrimidinyl.
Claim 5
Dependent Claim
33 words
Dyestuffs of the formula ##STR30## wherein R and T 1 '=lower alkyl, T 2 '= ##STR31## halogen, nitro, sulpho, cyano or H, Z'=lower alkyl and X 2 '=dichlorotriazinyl, monochlorotriazinyl, trihalogenopyrimidinyl, dihalogenopyrimidinyl or 2,3-dichloroquinoxaline-6-carbonyl.
Claim 6
Dependent Claim
33 words
Dyestuffs of the formula ##STR30## wherein R and T 1 '=lower alkyl, T 2 '= ##STR31## halogen, nitro, sulpho, cyano or H, Z'=lower alkyl and X 2 '=dichlorotriazinyl, monochlorotriazinyl, trihalogenopyrimidinyl, dihalogenopyrimidinyl or 2,3-dichloroquinoxaline-6-carbonyl.
Claim 7
Dependent Claim
28 words
Dyestuffs of the formula ##STR32## wherein R and T 1 '=lower alkyl, T 2 '= ##STR33## halogen, nitro, sulpho, cyano or H, Z'=lower alkyl and X 2 '=monofluorotriazinyl.
Claim 8
Dependent Claim
28 words
Dyestuffs of the formula ##STR32## wherein R and T 1 '=lower alkyl, T 2 '= ##STR33## halogen, nitro, sulpho, cyano or H, Z'=lower alkyl and X 2 '=monofluorotriazinyl.
Claim 9
Dependent Claim
24 words
Dyestuffs of the formula ##STR34## wherein R and T 1 '=lower alkyl, T 2 '= ##STR35## Z'=lower alkyl and X 2 "=o- or p-sulphophenylamino-fluorotriazinyl.
Claim 10
Dependent Claim
24 words
Dyestuffs of the formula ##STR34## wherein R and T 1 '=lower alkyl, T 2 '= ##STR35## Z'=lower alkyl and X 2 "=o- or p-sulphophenylamino-fluorotriazinyl.
Claim 11
Dependent Claim
28 words
Dyestuffs of the formula ##STR36## wherein T 1 ' T 2 and Z have the meaning given in claim 1 and X 1 represents a non-reactive acyl radical.
Claim 12
Dependent Claim
75 words
Process for the preparation of the dyestuffs of claim 1, characterised in that amines of the formula ##STR37## wherein B, R and X have the meaning given in claim 1 are diazotised and the product is coupled with pyridones of the formula ##STR38## wherein T 1 , T 2 and Z have the meaning given in claim 1) and W represents a radical which is detachable during the coupling reaction, or represents a hydrogen atom.
Claim 13
Dependent Claim
64 words
Process for the preparation of the dyestuffs of claim 1, characterised in that dyestuffs of the formula ##STR39## wherein B, R, T 1 , T 2 and Z have the meaning given in claim 1, are reacted with an acyl component of the formula Y--X, wherein X has the meaning given in claim 1 and Y represents a detachable group, with elimination of HY.
Claim 14
Dependent Claim
20 words
Use of the dyestuffs of claim 1 for dyeing and printing fibre materials containing hydroxyl groups or containing amide groups.
References Cited (Backward Citations)
US4065446A
Cited
DE2232541C3
Cited
US4126609A
Cited
US4091021A
Cited
US4124579A
Cited
FR2407244B1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-11-09 | 1985-05-11 | 1985-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-09 | 1989-05-11 | 1989-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-09 | 1993-05-11 | 1993-11-10 | $7700.00 | Window Closed / Lapsed |