US2861076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of 1:2:4-triazole-3-thiols
Assignee: Eastman Kodak Co
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Filing: 1957-04-29
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Granted: 1958-11-18
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Expires: 1977-04-29
Abstract
No abstract record available.
Inventors
- 👤 Knott Edward Bowes
- 👤 Williams Leslie Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:09
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/38; C07D471/00; C07D471/02; C07D471/04; C07D487/00; C07D487/02; C07D487/04; C07D513/00; C07D513/02; C07D513/04; G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/34; G03C1/346
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
25 words
A METHOD FOR MAKING 1:2:4 - TRIAZOLE - 3 - THIOL COMPOUNDS COMPRISING INTERMIXING A COMPOUND SELECTED FROM THOSE REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
Claim 2
Independent Claim
25 words
A METHOD FOR MAKING 1:2:4 - TRIAZOLE - 3 - THIOL COMPOUNDS COMPRISING INTERMIXING A COMPOUND SELECTED FROM THOSE REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
Claim 3
Independent Claim
41 words
A METHOD FOR MAKING 1'':2'' - DIHYDROQUINOLINO1'':2'':4:5 - TRIAZOLE(1:2:4) - 3 - THIOL COMPRISING INTERMIXING 2 - QUINOLYLHYDRAZINE WITH CARBON DISULFIDE IN THE PRESENCE OF PYRIDINE AND HEATING THE REACTION MIXTURE UNTIL A SUBSTANTIAL QUANTITY OF HYDROGEN SULFIDE HAS BEEN EVOLVED.
Claim 4
Independent Claim
41 words
A METHOD FOR MAKING 1'':2'' - DIHYDROQUINOLINO1'':2'':4:5 - TRIAZOLE(1:2:4) - 3 - THIOL COMPRISING INTERMIXING 2 - QUINOLYLHYDRAZINE WITH CARBON DISULFIDE IN THE PRESENCE OF PYRIDINE AND HEATING THE REACTION MIXTURE UNTIL A SUBSTANTIAL QUANTITY OF HYDROGEN SULFIDE HAS BEEN EVOLVED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |