US2977234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of concentrating fruit juices
Assignee: Union Carbide Corp
•
Filing: 1954-11-15
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Granted: 1961-03-28
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Expires: 1974-11-15
Abstract
No abstract record available.
Inventors
- 👤 Elwood P Wenzelberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:33
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/12; Y; Y10; Y10S; Y10S159/00; Y10S159/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A METHOD OF CONCENTRATING FRUIT JUICES EHEREIN THE ICE IS BEING CONTINUOUSLY SEPARATED FROM THE LIQUID CONCENTRATE WITHOUT DISCHARGING THE SEPARATED ICE, THE STEPS OF PARTIALLY FREEZING A FRUIT JUICE INTO A SLUSHY MASS OF LIQUID CONCENTRATE AND ICE, SEPARATING THE ICE FROM THE LIQUID CONCENTRATE BY CENTRIFUGAL FORCE IN A CENTRIFUGE, REMOVING THE LIQUID CONCENTRATE FROM THE CENTRIFUGE BUT RETAINING THE SEPARATED ICE IN THE CENTRIFUGE, MELTING THE RETAINED SEPARATED ICE IN THE CENTRIFUGE TO RELEASE AT LEAST A PORTION OF THE SOLIDS OCCLUDED THEREIN AND TO VAPORIZE THE LIQUID FORMED BY THE MELTED ICE, CONDENSING THE VAPORIZED LIQUID TO REMOVE THEREFROM ANY SOLIDS CONSTITUTING THE FRUIT JUICE AND ENTRAINED IN SAID VAPORS, AND COMBINING THE EVAPORATED RESIDUE AND THE SOLIDS REGAINED FROM THE VAPORS WITH THE LIQUID CONCENTRATE.
Claim 2
Dependent Claim
131 words
IN A METHOD OF CONCENTRATING FRUIT JUICES EHEREIN THE ICE IS BEING CONTINUOUSLY SEPARATED FROM THE LIQUID CONCENTRATE WITHOUT DISCHARGING THE SEPARATED ICE, THE STEPS OF PARTIALLY FREEZING A FRUIT JUICE INTO A SLUSHY MASS OF LIQUID CONCENTRATE AND ICE, SEPARATING THE ICE FROM THE LIQUID CONCENTRATE BY CENTRIFUGAL FORCE IN A CENTRIFUGE, REMOVING THE LIQUID CONCENTRATE FROM THE CENTRIFUGE BUT RETAINING THE SEPARATED ICE IN THE CENTRIFUGE, MELTING THE RETAINED SEPARATED ICE IN THE CENTRIFUGE TO RELEASE AT LEAST A PORTION OF THE SOLIDS OCCLUDED THEREIN AND TO VAPORIZE THE LIQUID FORMED BY THE MELTED ICE, CONDENSING THE VAPORIZED LIQUID TO REMOVE THEREFROM ANY SOLIDS CONSTITUTING THE FRUIT JUICE AND ENTRAINED IN SAID VAPORS, AND COMBINING THE EVAPORATED RESIDUE AND THE SOLIDS REGAINED FROM THE VAPORS WITH THE LIQUID CONCENTRATE.
References Cited (Backward Citations)
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US2167881A
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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) | 1964-03-27 | 1964-09-26 | 1965-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-27 | 1968-09-26 | 1969-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-27 | 1972-09-26 | 1973-03-28 | $7700.00 | Window Closed / Lapsed |