Patent US2511206A successfully refreshed from Google Patents.
US2511206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing hydrocarbons
Assignee: TENNESSEE EASTMAN Corp
•
Filing: 1945-12-08
•
Granted: 1950-06-13
•
Expires: 1965-12-08
Abstract
No abstract record available.
Inventors
- 👤 Hasche Rudolph Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:15
CPC Classifications
C; C07; C07C; C07C11/00; C07C11/02; C07C11/04; C07C7/00; C07C7/11; C10; C10G; C10G9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A PROCESS OF SEPARATING ACETYLENE AND PROPYLENE FROM A MIXTURE OF GASES CONTAINING ACETYLENE, ETHYLENE, AND PROPYLENE BY REMOVING THE ACETYLENE AND PROPYLENE TOGETHER IN POLYETHYLENE GLYCOL ETHER, THE AMOUNT OF POLYETHYLENE GLYCOL ETHER USED BEING SUFFICIENT TO REMOVE ALL THE PROPYLENE.
Claim 2
Dependent Claim
42 words
A PROCESS OF SEPARATING ACETYLENE AND PROPYLENE FROM A MIXTURE OF GASES CONTAINING ACETYLENE, ETHYLENE, AND PROPYLENE BY REMOVING THE ACETYLENE AND PROPYLENE TOGETHER IN POLYETHYLENE GLYCOL ETHER, THE AMOUNT OF POLYETHYLENE GLYCOL ETHER USED BEING SUFFICIENT TO REMOVE ALL THE PROPYLENE.
References Cited (Backward Citations)
US2183148A
Cited
US1965100A
Cited
US2238490A
Cited
US2180386A
Cited
US2236978A
Cited
US2395362A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |