US2879138A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pyrolysis of pyrosulfuryl fluoride
Assignee: EIDP Inc
•
Filing: 1955-04-15
•
Granted: 1959-03-24
•
Expires: 1975-04-15
Abstract
No abstract record available.
Inventors
- 👤 Earl L Muetterties
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:30
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/45; C01B17/4561
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
THE PROCESS FOR THE PREPARATION OF A SULFUR OXYFLUORIDE OF THE CLASS CONSISTING OF SULFURYL FLUORIDE AND THIONYL FLUORIDE WHICH COMPRISES PYROLYZING PYROSULFURYL FLUORIDE AT A TEMPERATURE OF AT LEAST 200*C.
Claim 2
Dependent Claim
31 words
THE PROCESS FOR THE PREPARATION OF A SULFUR OXYFLUORIDE OF THE CLASS CONSISTING OF SULFURYL FLUORIDE AND THIONYL FLUORIDE WHICH COMPRISES PYROLYZING PYROSULFURYL FLUORIDE AT A TEMPERATURE OF AT LEAST 200*C.
References Cited (Backward Citations)
US1364738A
Cited
US1765688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |