Patent US2520939A successfully refreshed from Google Patents.
US2520939A
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US
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Process of concentrating milk
Assignee: INST DIVI THOMAE FOUNDATION
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Filing: 1947-01-27
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Granted: 1950-09-05
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Expires: 1967-01-27
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Kowalewski
- 👤 Sperti George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:52
CPC Classifications
A; A23; A23C; A23C1/00; A23C1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A PROCESS FOR MAKING A MILK CONCENTRATE CONTAINING SUBSTANTIALLY ALL OF THE ORIGINAL NONAQUEOUS CONSTITUENTS OF WHOLE MILK WITH THEIR QUALITIES AND FLAVOR UNIMPAIRED BY HEAT TREATMENT WHICH COMPRISES HOMOGENIZING WHOLE MILK, FREEZING THE HOMOGENIZED MILK INTO A MASS OF ICE CRYSTALS WITH LIQUID CONCENTRATE IN THE VOIDS BETWEEN THE CRYSTALS, THE SMALL PARTICLES OF FAT AND NON-FAT SOLIDS REMAINING SUSPENDED IN THE LIQUID CONCENTRATE SUBSTANTIALLY WITHOUT CONGEALING ON AND STICKING TO THE ICE CRYSTALS, AND SUBSTANTIALLY DIRECTLY SEPARATING THE LIQUID CONCENTRATE WITH ITS SUSPENDED FAT AND NON-FAT SOLIDS AND DISSOLVED MATERIALS FORM THE ICE CRYSTALS OF THE FROZEN MASS, WHEREBY A CONCENTRATE IS PRODUCED WITHOUT EVAPORATION HEAT TREATMENT AND SUBSTANTIALLY WITHOUT LOSS OF NON-AQUEOUS CONSTITUENTS IN THE ICE.
Claim 2
Dependent Claim
119 words
A PROCESS FOR MAKING A MILK CONCENTRATE CONTAINING SUBSTANTIALLY ALL OF THE ORIGINAL NONAQUEOUS CONSTITUENTS OF WHOLE MILK WITH THEIR QUALITIES AND FLAVOR UNIMPAIRED BY HEAT TREATMENT WHICH COMPRISES HOMOGENIZING WHOLE MILK, FREEZING THE HOMOGENIZED MILK INTO A MASS OF ICE CRYSTALS WITH LIQUID CONCENTRATE IN THE VOIDS BETWEEN THE CRYSTALS, THE SMALL PARTICLES OF FAT AND NON-FAT SOLIDS REMAINING SUSPENDED IN THE LIQUID CONCENTRATE SUBSTANTIALLY WITHOUT CONGEALING ON AND STICKING TO THE ICE CRYSTALS, AND SUBSTANTIALLY DIRECTLY SEPARATING THE LIQUID CONCENTRATE WITH ITS SUSPENDED FAT AND NON-FAT SOLIDS AND DISSOLVED MATERIALS FORM THE ICE CRYSTALS OF THE FROZEN MASS, WHEREBY A CONCENTRATE IS PRODUCED WITHOUT EVAPORATION HEAT TREATMENT AND SUBSTANTIALLY WITHOUT LOSS OF NON-AQUEOUS CONSTITUENTS IN THE ICE.
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) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |