US2860057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing evaporated milk
Assignee: Foremost Dairies Inc
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Filing: 1955-09-29
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Granted: 1958-11-11
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Expires: 1975-09-29
Abstract
No abstract record available.
Inventors
- 👤 Donald F Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:00
CPC Classifications
A; A23; A23C; A23C9/00; A23C9/005; A23B; A23B11/00; A23B11/10; A23B11/12; A23B11/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
THE PROCESS OF PRODUCING HIGH-TEMPERATURE-SHORTTIME STERILIZED CONCENTRATED MILK WHICH COMPRISES THE STEPS OF FOREWARMING THE FLUID MILK PRIOR TO CONCENTRATION, CONCENTRATING SAID MILK TO A SOLIDS CONTENT OF BETWEEN APPROXIMATELY 16% AND 35% TOTAL SOLIDS, SUBJECTING, THE SAID CONCENTRATED MILK TO A PREHEAT TREATMENT WITHIN THE TEMPERATURE TIME RANGE OF APPROXIMATELY 180*F. FOR A PERIOD OF APPROXIMATELY TEN MINUTES TO APPROXIMATELY 250*F. FOR A PERIOD OF APPROXIMATELY ONE MINUTE, THEN COOLING THE THUS HEATED CONCENTRATE TO A TEMPERATURE OF BELOW APPROXIMATELY 150*F., AND STERILIZING THE CONCENTRATE THUS PRODUCED BY HEATING THE SAME FOR A PERIOD OF TIME OF A LEAST APPROXIMATELY ONE MINUTE AND NOT MORE THAN THREE MINUTES AND AT A TEMPERATURE PRODUCTIVE OF AN F0 VALUE OF AT LEAST SUBSTANTIALLY 5.
Claim 2
Dependent Claim
123 words
THE PROCESS OF PRODUCING HIGH-TEMPERATURE-SHORTTIME STERILIZED CONCENTRATED MILK WHICH COMPRISES THE STEPS OF FOREWARMING THE FLUID MILK PRIOR TO CONCENTRATION, CONCENTRATING SAID MILK TO A SOLIDS CONTENT OF BETWEEN APPROXIMATELY 16% AND 35% TOTAL SOLIDS, SUBJECTING, THE SAID CONCENTRATED MILK TO A PREHEAT TREATMENT WITHIN THE TEMPERATURE TIME RANGE OF APPROXIMATELY 180*F. FOR A PERIOD OF APPROXIMATELY TEN MINUTES TO APPROXIMATELY 250*F. FOR A PERIOD OF APPROXIMATELY ONE MINUTE, THEN COOLING THE THUS HEATED CONCENTRATE TO A TEMPERATURE OF BELOW APPROXIMATELY 150*F., AND STERILIZING THE CONCENTRATE THUS PRODUCED BY HEATING THE SAME FOR A PERIOD OF TIME OF A LEAST APPROXIMATELY ONE MINUTE AND NOT MORE THAN THREE MINUTES AND AT A TEMPERATURE PRODUCTIVE OF AN F0 VALUE OF AT LEAST SUBSTANTIALLY 5.
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) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |