Patent US2823111A successfully refreshed from Google Patents.
US2823111A
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Continuous vacuum distillation
Assignee: Broken Hill Associated Smelters Pty Ltd
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Filing: 1954-07-12
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Granted: 1958-02-11
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Expires: 1974-07-12
Abstract
No abstract record available.
Inventors
- 👤 Davey Thomas Ronald Albert
- 👤 Newall Archibald Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:37
CPC Classifications
C; C22; C22B; C22B19/00; C22B19/04; C22B5/00; C22B5/02; C22B5/16; F; F27; F27B; F27B5/00; F27B5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE METHOD OF REFINING A LIQUID COMPLEX CONTAINING A RELATIVELY VOLATILE CONSTITUENT COMPRISING CONTINUOUSLY PASSING THE LIQUID IN AN ATTENUATED CONDITION INTO AND THROUGH AN EVAPORATING ZONE WITHIN AN EVACUATED SPACE WHEREBY THE SAID CONSTITUENT IS CONTINUOUSLY EVAPORATED, CONTINUOUSLY PASSING A SECOND LIQUID AT A LOWER TEMPERATURE INTO AND THROUGH THE EVACUATED SPACE IN A PATH SPACED FROM AND DISPOSED APPROXIMATELY PARALLEL AND APPROXIMATELY I OPPOSITE TO THE EVAPORATING ZONE WHEREBY THE SAID SECOND LIQUID SERVES AS A CONDENSER, CONTINUOUSLY CONDENSING THE EVAPORATED CONSTITUENT AND CONTINUOUSLY DISSOLVING THE CONDENSATE IN THE SAID SECOND LIQUID.
Claim 2
Dependent Claim
129 words
APPARATUS FOR REFINING A LIQUID COMPLEX CONTAINING A RELATIVELY VOLATILE CONSTITUENT COMPRISING A CHAMBER PROVIDED WITH SPACED INLET AND OUTLET PASSAGES FOR THE SAID LIQUID, MEANS FOR MAINTAINING THE INTERIOR OF SAID CHAMBER AT SUB-ATMOSPHERIC PRESSURE, MEANS WITHIN THE CHAMBER FOR DIRECTING THE LIQUID TO AND CAUSING IT TO PASS IN THE FORM OF A THIN STREAM THROUGH AN EVAPORATING ZONE, INLET AND OUTLET PASSAGES FOR A SECOND LIQUID HAVING A LOWER TEMPERATURE, MEANS DEFINING A POOL FOR THE SECOND LIQUID WITHIN THE CHAMBER AND MEANS FOR DIRECTING THE INCOMING SECOND LIQUID THROUGH THE CHAMBER IN A PATH WHICH INCLUDES THE POOL AND IS SPACED FROM THE EVAPORATING ZONE, AND WHEREIN THE POOL IS SO DISPOSED THAT THE EVAPORATED CONSTITUENT IS CONDENSED ON THE SURFACE THEREOF AND DISSOLVED THEREIN.
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) | 1961-02-10 | 1961-08-12 | 1962-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-10 | 1965-08-12 | 1966-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-10 | 1969-08-12 | 1970-02-11 | $7700.00 | Window Closed / Lapsed |