US2484305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the separation of unsaturated aliphatic hydrocarbons from more saturatedaliphatic hydrocarbons
Assignee: Phillips Petroleum Co
•
Filing: 1946-08-16
•
Granted: 1949-10-11
•
Expires: 1966-08-16
Abstract
No abstract record available.
Inventors
- 👤 Bertrand J Mayland
- 👤 Edward E White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:51
CPC Classifications
C; C10; C10G; C10G21/00; C10G21/06; C07; C07C; C07C7/00; C07C7/10; C10G21/12; C10G21/27
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US845616A
Cited
US2081719A
Cited
US2138832A
Cited
GB413307A
Cited
US2100429A
Cited
US2201821A
Cited
US2281598A
Cited
US2396300A
Cited
US2381506A
Cited
US2379332A
Cited
US2365898A
Cited
US2422341A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |