Patent US4067990A successfully refreshed from Google Patents.
Patent US3618296A successfully refreshed from Google Patents.
US3618296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the separation of carbon from synthesis gas under high pressure
Assignee: Texaco Development Corp
•
Filing: 1969-07-18
•
Granted: 1971-11-09
•
Expires: 1989-07-18
Abstract
Abstract SYNTHESIS GAS OBTAINED BY PARTIAL OXIDATION OF LIQUID HYDROCARBONS AT HIGH PRESSURE AND CONTAINING ENTRAINED BY-PRODUCT CARBON AND METAL SALTS IS CONTACTED WITH SEPARATELY INTRODUCED STREAMS OF ACIDIC CARBON-CONTAINING WATER AND ALKALINE CLEAR WATER IN A CONTACTING DEVICE IN WHICH THE GAS STREAM IS ACCELERATED PRIOR TO INTRODUCTION OF THE AQUEOUS STREAMS.
Inventors
- 👤 Werner Auer
- 👤 Heinz Hauser
- 👤 Walter Knobloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:16
CPC Classifications
C; C10; C10K; C10K1/00; C10K1/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-11-08 | 1975-05-10 | 1975-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-08 | 1979-05-10 | 1979-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-08 | 1983-05-10 | 1983-11-09 | $7700.00 | Window Closed / Lapsed |