US5055566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amine salts of disazo black dyes having good solubility in polar organic solvents
Assignee: Syngenta Ltd
•
Filing: 1990-06-19
•
Granted: 1991-10-08
•
Expires: 2010-06-19
Abstract
Abstract A compound of the Formula (1): ##STR1## wherein R is H, SO 3 A, C 1-4 -alkyl, C 1-4 -alkoxy, NO 2 , OH or halogen; W, X, Y and Z are independently H or SO 3 A; and A is NQ 4 wherein at least one Q is a branched chain fatty C 6-20 -aliph atic group.
Inventors
- 👤 Peter Gregory
- 👤 Ronald W. Kenyon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:06
CPC Classifications
C; C09; C09B; C09B69/00; C09B69/02; C09B69/04; C09B69/045; Y; Y10; Y10S; Y10S534/00; Y10S534/01
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
57 words
A compound of the Formula (1): ##STR3## wherein R is H, SO 3 A, C 1-4 -alkyl, C 1-4 -alkoxy, NO 2 , OH or halogen; W, X, Y and Z are independently H or SO 3 A; and A is NQ 4 wherein at least one Q is a branched chain fatty C 6-20 -alkyl group.
Claim 2
Dependent Claim
57 words
A compound of the Formula (1): ##STR3## wherein R is H, SO 3 A, C 1-4 -alkyl, C 1-4 -alkoxy, NO 2 , OH or halogen; W, X, Y and Z are independently H or SO 3 A; and A is NQ 4 wherein at least one Q is a branched chain fatty C 6-20 -alkyl group.
Claim 3
Dependent Claim
20 words
A compound according to claim 1 in which at least one Q is a branched chain C 6-12 -alkyl group.
Claim 4
Dependent Claim
20 words
A compound according to claim 1 in which at least one Q is a branched chain C 8-10 -alkyl group.
Claim 5
Dependent Claim
32 words
A compound according to claim 1 in which at least one Q is 3,5,5-trimethylhexyl, 1,1,3,3-tetramethylbutyl, 2-ethylhexyl, 1-ethyl-3-methylpentyl, 1,5-dimethylhexyl, 1-methylheptyl, 1,4-dimethylheptyl, 1,2,2-trimethylpropyl, 2-ethylbutyl, 1-propylbutyl, 1,2-dimethylbutyl, 2-methylpentyl, 1-ethylpentyl, 1,4-dimethylpentyl, 1-methylhexyl, 3-methylhexyl, 1,3,3-trimethylbutyl, or 1-methylnonyl.
Claim 6
Dependent Claim
16 words
A compound according to any of claims 1 to 4 in which three Q's are H.
Claim 7
Dependent Claim
23 words
A compound according to any of claims 1 to 5 in which R is H, SO 3 A, C 1-4 -alkyl or halogen.
Claim 8
Dependent Claim
26 words
A compound according to any of claims 1 to 6 in which X is H, Y is SO 3 A and Z is SO 3 A.
Claim 9
Dependent Claim
25 words
A compound according to any of claims 1 to 4 wherein R and X are hydrogen and W, Y and Z are SO 3 A.
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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) | 1994-10-07 | 1995-04-08 | 1995-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-10-07 | 1999-04-08 | 1999-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-10-07 | 2003-04-08 | 2003-10-08 | $7700.00 | Window Closed / Lapsed |