Patent US2732308A successfully refreshed from Google Patents.
US2732308A
Expired / Lapsed
US
⏱️ 0.0 years remaining
laguilharre
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
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Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:10
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/40; A23B2/42; A23B2/46; A23B11/00; A23B11/10; A23B11/12; A23B11/13; A23B11/133; A23B11/137; A23B11/1375; Y; Y10; Y10S; Y10S99/00; Y10S99/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
THE METHOD OF PRODUCING A STERILIZED LIQUID FOOD PRODUCT IN A CONTINUOUS VACUUM PASTEURIZATION PROCESS, WHICH COMPRISES INTRODUCING THE LIQUID FOOD STUFF TO A PREHEATING ZONE AT A TEMPERATURE OF THE ORDER OF 15*C., ADVANCING THE LIQUID FOOD STUFF FROM THE PREHEATING ZONE TO A CLOSED PASTEURIZING ZONE IN A FINELY DIVIDED STATE AND THERE DIRECTLY SUBJECTING SAME TO ORDINARY STEAM TO HEAT THE PRODUCT OF ABOUT 80* C., THEREAFTER INTRODUCING THE LIQUID FOOD STUFF IN LIQUID STATE TO A CLOSED EXPANSION ZONE ALSO IN FINELY DIVIDED STATE AND COOLING THE LIQUID DOWN BY EXPANSION TO APPROXIMATELY 50* C. AND CREATING VAPORS, CONDUCTING THE VAPORS FROM SAID EXPANSION ZONE TO THE PREHEATING ZONE FOR PRELIMINARILY HEATING THE LIQUID FOOD STUFF THEREIN TO A TEMPERATURE OF THE ORDER OF 45*C., APPLYING SUB-ATMOSPHERIC PRESSURE TO THE PREHEATING AND EXPANSION ZONES, MAINTAINING SAID ZONES UNDER SUB-ATMOSPHERIC PRESSURE, AND WITHDRAWING THE TREATED PRODUCT FROM THE EXPANSION ZONE.
Claim 2
Independent Claim
153 words
THE METHOD OF PRODUCING A STERILIZED LIQUID FOOD PRODUCT IN A CONTINUOUS VACUUM PASTEURIZATION PROCESS, WHICH COMPRISES INTRODUCING THE LIQUID FOOD STUFF TO A PREHEATING ZONE AT A TEMPERATURE OF THE ORDER OF 15*C., ADVANCING THE LIQUID FOOD STUFF FROM THE PREHEATING ZONE TO A CLOSED PASTEURIZING ZONE IN A FINELY DIVIDED STATE AND THERE DIRECTLY SUBJECTING SAME TO ORDINARY STEAM TO HEAT THE PRODUCT OF ABOUT 80* C., THEREAFTER INTRODUCING THE LIQUID FOOD STUFF IN LIQUID STATE TO A CLOSED EXPANSION ZONE ALSO IN FINELY DIVIDED STATE AND COOLING THE LIQUID DOWN BY EXPANSION TO APPROXIMATELY 50* C. AND CREATING VAPORS, CONDUCTING THE VAPORS FROM SAID EXPANSION ZONE TO THE PREHEATING ZONE FOR PRELIMINARILY HEATING THE LIQUID FOOD STUFF THEREIN TO A TEMPERATURE OF THE ORDER OF 45*C., APPLYING SUB-ATMOSPHERIC PRESSURE TO THE PREHEATING AND EXPANSION ZONES, MAINTAINING SAID ZONES UNDER SUB-ATMOSPHERIC PRESSURE, AND WITHDRAWING THE TREATED PRODUCT FROM THE EXPANSION ZONE.
References Cited (Backward Citations)
US2410077A
Cited
US2516099A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |