US3086003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternized imidazole azo benzene dyestuffs containing a piperazine substutuent
Assignee: BASF SE
•
Filing: 1960-10-25
•
Granted: 1963-04-16
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Expires: 1980-10-25
Abstract
No abstract record available.
Inventors
- 👤 Baumann Hans
- 👤 Dehnert Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:02
CPC Classifications
C; C09; C09B; C09B43/00; C09B43/12; C09B43/40; Y; Y10; Y10S; Y10S8/00; Y10S8/92; Y10S8/927
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A DYE OF THE FORMULA: (1-R8,2-((3-R10,4-(4,4-DI((R7)(N-1)-),4-(Q(2-N)-)PIPERAZINO-),6-R9-PHENYL) -N=N-),3-R8-IMIDAZOLIUM) (Y(-))N IN WHICH R8 REPRESENTS A RADICAL SELECTED FROM THE CLASS CONSISTING OF METHYL AND ETHYL, R9 AND R10 EACH REPRESENTS A RADICAL SELECTED FROM THE CLASS CONSISTING OF A HYDROGEN, CHLORINE, METHYL, ETHYL AND METHOXY, Y REPRESENTS THE EQUIVALNET OF AN ANION, Q REPRESENTS A RADICAL SELECTED FROM THE CLASS CONSISTING OF ACETYL, CHLORACETYL, TRICHLORACETYL, B-CHLORPROPIONYL, BENZOYL, 4-CHLORBENZOYL, BENZENESULFONYL, OTOLUENESULFONYL, P-TOLUENESULFONYL, P-CHLORBENZENESULFONYL, 2,4-DINITROPHENYL, 4,6-DICHLOR-1,3,5-TRIAZINYL-(2) AND THE RADICAL
Claim 2
Dependent Claim
75 words
A DYE OF THE FORMULA: (1-R8,2-((3-R10,4-(4,4-DI((R7)(N-1)-),4-(Q(2-N)-)PIPERAZINO-),6-R9-PHENYL) -N=N-),3-R8-IMIDAZOLIUM) (Y(-))N IN WHICH R8 REPRESENTS A RADICAL SELECTED FROM THE CLASS CONSISTING OF METHYL AND ETHYL, R9 AND R10 EACH REPRESENTS A RADICAL SELECTED FROM THE CLASS CONSISTING OF A HYDROGEN, CHLORINE, METHYL, ETHYL AND METHOXY, Y REPRESENTS THE EQUIVALNET OF AN ANION, Q REPRESENTS A RADICAL SELECTED FROM THE CLASS CONSISTING OF ACETYL, CHLORACETYL, TRICHLORACETYL, B-CHLORPROPIONYL, BENZOYL, 4-CHLORBENZOYL, BENZENESULFONYL, OTOLUENESULFONYL, P-TOLUENESULFONYL, P-CHLORBENZENESULFONYL, 2,4-DINITROPHENYL, 4,6-DICHLOR-1,3,5-TRIAZINYL-(2) AND THE RADICAL
References Cited (Backward Citations)
US2235480A
Cited
US2883373A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |