Patent US3763205A successfully refreshed from Google Patents.
US3763205A
Expired / Lapsed
US
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Methanol process with recycle
Assignee: EIDP Inc
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Filing: 1971-05-10
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Granted: 1973-10-02
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Expires: 1991-05-10
Abstract
Abstract METHANOL IS MADE BY A PROCESS THAT INVOLVES FEEDING NATURAL GAS, STEAM, A RECYCLE STREAM AND OPTIONALLY CARBON DIOXIDE, TO A SINGLE BED TYPE REFORMER. THE RECYCLE STREAM IS THE UNCONVERTED GAS FROM THE METHANOL CONVERTER. THE REFORMER OUTPUT IS COOLED, COMPRESSED AND CONVERTED TO METHANOL IN A CONVERTER OPERATING AT 450750* F. AND 500 TO 1000 P.S.I.G. THE CONVERTER OUTPUT IS COOLED TO SEPARATE THE METHANOL FROM THE RECYCLE, I.E., THE UNCONVERTED GASES.
Inventors
- 👤 R Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:42
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/15; C07C29/151; C07C29/1516; C07C29/1518
Claims Analysis
Total Claims: 0
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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) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |