US2833644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resolution of alkali metal amalgams
Assignee: Ethyl Corp
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Filing: 1955-11-17
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Granted: 1958-05-06
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Expires: 1975-11-17
Abstract
No abstract record available.
Inventors
- 👤 Julian M Avery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:21
CPC Classifications
C; C22; C22B; C22B26/00; C22B26/10; C22B5/00; C22B5/02; C22B5/04; C22C; C22C3/00; Y; Y10; Y10S; Y10S203/00; Y10S203/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
THE PROCESS OF RESOLVING A SODIUM AMALGAM COMPRISING FEEDING A DILUTE AMALGAM TO A BOILING, SODIUM ENRICHED AMALGAM ION A BOILING ZONE, THE BOILING AMALGAM BEING HEATED BY INDIRECT HEAT EXCHANGE WITH A CONDENSING MERCURY RICH VAPOR, BOILING AN ENRICHED MERCURY VAPOR FROM SAID BOILING LIQUID, COMPRESSING SAID VAPOR AND RETURNING SAID COMPRESSED VAPOR FOR INDIRECT HEAT RELATIONSHIP AND CONDENSING ADJACENT THE BOILING LIQUID.
Claim 2
Dependent Claim
64 words
THE PROCESS OF RESOLVING A SODIUM AMALGAM COMPRISING FEEDING A DILUTE AMALGAM TO A BOILING, SODIUM ENRICHED AMALGAM ION A BOILING ZONE, THE BOILING AMALGAM BEING HEATED BY INDIRECT HEAT EXCHANGE WITH A CONDENSING MERCURY RICH VAPOR, BOILING AN ENRICHED MERCURY VAPOR FROM SAID BOILING LIQUID, COMPRESSING SAID VAPOR AND RETURNING SAID COMPRESSED VAPOR FOR INDIRECT HEAT RELATIONSHIP AND CONDENSING ADJACENT THE BOILING LIQUID.
References Cited (Backward Citations)
US1961135A
Cited
US2750281A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |