US3064029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas separation
Assignee: MW Kellogg Co
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Filing: 1958-12-15
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Granted: 1962-11-13
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Expires: 1978-12-15
Abstract
No abstract record available.
Inventors
- 👤 White Thomas Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:33
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/15; C07C29/151; C07C29/1516; C07C29/1512; C07C29/74; C07C29/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PROCESS FOR TREATING AN EFFLUENT FROM A METHANOL SYNTHESIS REACTION ZONE CONTAINING METHANOL, WATER, HYDROGEN AND INERT GASES WHICH COMPRISES PASSING SAID EFFLUENT TO A SEPARATION ZONE, WITHDRAWING A CONDENSED METHANOL AND WATER FRACTION FROM SAID SEPARATION ZONE, WITHDRAWING AN UNCONDENSED FRACTION CONTAINING HYDROGEN AND INERT GASES FROM SAID SEPARATION ZONE, PASSING SAID INCONDENSED FRACTION TO AN ABSORPTION ZONE, CONTACTING SAID INCONDENSED FRACTION IN SAID ABSORPTION ZONE WITH A METHANOL STREAM HAVING A LOWER CONCENTRATION OF WATER THAN SAID CONDENSED METHANOL AND WATER FRACTION
Claim 2
Dependent Claim
85 words
A PROCESS FOR TREATING AN EFFLUENT FROM A METHANOL SYNTHESIS REACTION ZONE CONTAINING METHANOL, WATER, HYDROGEN AND INERT GASES WHICH COMPRISES PASSING SAID EFFLUENT TO A SEPARATION ZONE, WITHDRAWING A CONDENSED METHANOL AND WATER FRACTION FROM SAID SEPARATION ZONE, WITHDRAWING AN UNCONDENSED FRACTION CONTAINING HYDROGEN AND INERT GASES FROM SAID SEPARATION ZONE, PASSING SAID INCONDENSED FRACTION TO AN ABSORPTION ZONE, CONTACTING SAID INCONDENSED FRACTION IN SAID ABSORPTION ZONE WITH A METHANOL STREAM HAVING A LOWER CONCENTRATION OF WATER THAN SAID CONDENSED METHANOL AND WATER FRACTION
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |