US2884453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction of metal fluorides with thiophosgene and perchloromethyl mercaptan
Assignee: EIDP Inc
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Filing: 1957-07-31
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Granted: 1959-04-28
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Expires: 1977-07-31
Abstract
No abstract record available.
Inventors
- 👤 Charles W Tullock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:32
CPC Classifications
C; C07; C07C; C07C313/00; C07C313/08; C07C313/18; C07C313/24; C07C319/00; C07C319/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A PROCESS COMPRISING REACTING A COMPOUND OF THE GROUP CONSISTING OF THIOPHOSGENE AND TRICHLOROMETHANESULFENYL CHLORIDE WITH AN ALKALI METAL FLUORIDE UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS AND AT A TEMPERATURE OF AT LEAST 100*C., THE ATOMIC RATIO OF FLUORINE TO CHLORINE IN THE REACTION SYSTEM BEING BETWEEN 0.5:1 AND 10:1.
Claim 2
Dependent Claim
48 words
A PROCESS COMPRISING REACTING A COMPOUND OF THE GROUP CONSISTING OF THIOPHOSGENE AND TRICHLOROMETHANESULFENYL CHLORIDE WITH AN ALKALI METAL FLUORIDE UNDER SUBSTANTIALLY ANHYDROUS CONDITIONS AND AT A TEMPERATURE OF AT LEAST 100*C., THE ATOMIC RATIO OF FLUORINE TO CHLORINE IN THE REACTION SYSTEM BEING BETWEEN 0.5:1 AND 10:1.
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) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |