US3102805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum production from alloy
Assignee: Individual
•
Filing: 1960-04-18
•
Granted: 1963-09-03
•
Expires: 1980-04-18
Abstract
No abstract record available.
Inventors
- 👤 Messner Georg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:29
CPC Classifications
C; C22; C22B; C22B21/00; C22B21/0038; C22B21/0053; C22B21/0061
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A CONTINUOUS METHOD FOR THE PURIFICATION OF ALUMINUM BY SEPRATING FROM OTHER ELEMENTS IN COMBINATION THEREWITH COMPRISING THE STEPS OF MIXING THE IMPURE ALUMINUM WITH MERCURY AT AN ELVEATED TEMPERATURE FOR SOLUTION OF ALUMINUMM IN THE MERCURY BY SPRYAING A FINE DISPERSION OF LIQUID ALUMINUM INTO INTIMATE CONTACT WITH A FINE DISPERSION OF LIQUID MERCURY, MAINTAINING THE MIXTURE IN UNDIRECTIONAL FLOW FOR A TIME AND TEMPERATUE SUFFICIENT TO DISSOLVE A SUBSTANTIAL PROPORTION OF THE ALUMINUM IN THE MERCURY, SEPARATING THE SOLIDS WHICH REMAIN UNDISSOLVED IN THE SOLUTION OF ALUMINUM AND MERCURY BY COOLING THE TEMPERATURE TO A TEMPERATURE SLIGHTLY BELOW THE SATURATION TEMPERATUE FOR THE AMOUNT OF ALUMINUM DISSOLVED IN MERCURY TO PRECIPITATE A SMALL PROPORTION OF THE ALUMINUM, DISSOLVED IN THE MERCURY AND THEREAFTER TRANSFERRING THE MIXTURE TO A CHAMBER AND SEP-
Claim 2
Dependent Claim
133 words
A CONTINUOUS METHOD FOR THE PURIFICATION OF ALUMINUM BY SEPRATING FROM OTHER ELEMENTS IN COMBINATION THEREWITH COMPRISING THE STEPS OF MIXING THE IMPURE ALUMINUM WITH MERCURY AT AN ELVEATED TEMPERATURE FOR SOLUTION OF ALUMINUMM IN THE MERCURY BY SPRYAING A FINE DISPERSION OF LIQUID ALUMINUM INTO INTIMATE CONTACT WITH A FINE DISPERSION OF LIQUID MERCURY, MAINTAINING THE MIXTURE IN UNDIRECTIONAL FLOW FOR A TIME AND TEMPERATUE SUFFICIENT TO DISSOLVE A SUBSTANTIAL PROPORTION OF THE ALUMINUM IN THE MERCURY, SEPARATING THE SOLIDS WHICH REMAIN UNDISSOLVED IN THE SOLUTION OF ALUMINUM AND MERCURY BY COOLING THE TEMPERATURE TO A TEMPERATURE SLIGHTLY BELOW THE SATURATION TEMPERATUE FOR THE AMOUNT OF ALUMINUM DISSOLVED IN MERCURY TO PRECIPITATE A SMALL PROPORTION OF THE ALUMINUM, DISSOLVED IN THE MERCURY AND THEREAFTER TRANSFERRING THE MIXTURE TO A CHAMBER AND SEP-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |