Patent US5377120A successfully refreshed from Google Patents.
US3153642A
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Azo dyestuffs containing a beta-cyanoethyl, alkyl amino sulfonyl group
Assignee: CARBOCHIMIQUE SA
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Filing: 1960-12-19
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Granted: 1964-10-20
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Expires: 1980-12-19
Abstract
No abstract record available.
Inventors
- 👤 Ziegler Herbert
- 👤 Brulard Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:59
CPC Classifications
C; C09; C09B; C09B29/00; C09B45/00; C09B45/02; C09B45/14; C09B45/16
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
38 words
AN AZO COMPLEX CONTAINING ONE MOL OF A METAL SELECTED FROM THE GROUP CONSISTING OF COBALT AND CHROMIUM AND TWO MOLES OF AT LEAST ONE MONOAZO DYESTUFF SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE STRUCTURAL FORMULA.
Claim 2
Dependent Claim
38 words
AN AZO COMPLEX CONTAINING ONE MOL OF A METAL SELECTED FROM THE GROUP CONSISTING OF COBALT AND CHROMIUM AND TWO MOLES OF AT LEAST ONE MONOAZO DYESTUFF SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE STRUCTURAL FORMULA.
Claim 3
Dependent Claim
13 words
MONOAZO DYESTUFFS SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE STRUCTURAL FORMULAS:
Claim 4
Dependent Claim
13 words
MONOAZO DYESTUFFS SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE STRUCTURAL FORMULAS:
References Cited (Backward Citations)
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Cited
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US2778816A
Cited
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Cited
US2868774A
Cited
US2980666A
Cited
US2979503A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-20 | 1968-04-20 | 1968-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-20 | 1972-04-20 | 1972-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-20 | 1976-04-20 | 1976-10-20 | $7700.00 | Window Closed / Lapsed |