US3115497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
3, 4-dichloro-1, 2, 5-thiadiazole and its preparation
Assignee: EIDP Inc
•
Filing: 1962-10-11
•
Granted: 1963-12-24
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Expires: 1982-10-11
Abstract
No abstract record available.
Inventors
- 👤 Robert D Vest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:38
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/45; C08K5/46
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
3 words
THE COMPOUND FORMULA
Claim 2
Dependent Claim
3 words
THE COMPOUND FORMULA
Claim 3
Dependent Claim
19 words
PROCESS WHICH COMPRISES REACTING, IN THE PRESENCE OF CHLORIDE ION, CYANOGEN WITH SULFUR DICHLORIDE AND RECOVERING THE RESULTANT 3,4-DICHLORO-1,2,5-THIADIZOLE.
Claim 4
Dependent Claim
19 words
PROCESS WHICH COMPRISES REACTING, IN THE PRESENCE OF CHLORIDE ION, CYANOGEN WITH SULFUR DICHLORIDE AND RECOVERING THE RESULTANT 3,4-DICHLORO-1,2,5-THIADIZOLE.
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) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |