US2459090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Products obtained by reacting phosphorus pentasulfide with sulfurized ketones
Assignee: ExxonMobil Oil Corp
•
Filing: 1945-07-25
•
Granted: 1949-01-11
•
Expires: 1965-07-25
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand P Otto
- 👤 Ronald E Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:23
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/04; C10; C10M; C10M1/00; C10M1/08; C10M2223/00; C10M2223/12; C10N; C10N2040/00; C10N2040/20; C10N2040/22; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2419153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-11 | 1952-07-12 | 1953-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-11 | 1956-07-12 | 1957-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-11 | 1960-07-12 | 1961-01-11 | $7700.00 | Window Closed / Lapsed |