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US2978337A
Expired / Lapsed
US
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Process for the preparation of food preserves, and particularly of fruit juices pulverised by sublimation under high vacuum
Assignee: Individual
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Filing: 1958-06-03
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Granted: 1961-04-04
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Expires: 1978-06-03
Abstract
No abstract record available.
Inventors
- 👤 Gaeta Ottavio Di
- 👤 Poggioli Aliero
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:49
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/12; A23L2/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A PROCESS FOR PREPARING CONCENTRATED EDIBLE FRUIT AND VEGETABLE JUICES WHICH COMPRISES THE STEPS OF PRECONCENTRATING A JUICE UNDER VACUUM, FREEZING SAID JUICE AND DEHYDRATING THE FROZEN PRODUCT UNDER VACUUM, THE IMPROVEMENTS WHICH CONSIST IN THAT THE FREEZING OF SAID JUICE TAKES PLACE AT A TEMPERATURE OF BETWEEN -35*C. AND -40*C., THAT THE DEHYDRATION TAKES PLACE UNDER A HIGH VACUUM RANGING BETWEEN 0.1 MICRON AND 0.001 MICRON AND AN AVERAGE FINAL TEMPERATURE OF +25*C., THE RESIDUAL MOISTURE CONTENT RANGING BETWEEN 0.5% AND 4%, AND THAT THROUGHOUT THE PROCESS THE TEMPERATURE IS LESS THAN +40*C.
Claim 2
Dependent Claim
95 words
IN A PROCESS FOR PREPARING CONCENTRATED EDIBLE FRUIT AND VEGETABLE JUICES WHICH COMPRISES THE STEPS OF PRECONCENTRATING A JUICE UNDER VACUUM, FREEZING SAID JUICE AND DEHYDRATING THE FROZEN PRODUCT UNDER VACUUM, THE IMPROVEMENTS WHICH CONSIST IN THAT THE FREEZING OF SAID JUICE TAKES PLACE AT A TEMPERATURE OF BETWEEN -35*C. AND -40*C., THAT THE DEHYDRATION TAKES PLACE UNDER A HIGH VACUUM RANGING BETWEEN 0.1 MICRON AND 0.001 MICRON AND AN AVERAGE FINAL TEMPERATURE OF +25*C., THE RESIDUAL MOISTURE CONTENT RANGING BETWEEN 0.5% AND 4%, AND THAT THROUGHOUT THE PROCESS THE TEMPERATURE IS LESS THAN +40*C.
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) | 1964-04-03 | 1964-10-03 | 1965-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-03 | 1968-10-03 | 1969-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-03 | 1972-10-03 | 1973-04-04 | $7700.00 | Window Closed / Lapsed |