Patent US2990284A successfully refreshed from Google Patents.
US2990284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of milk products
Assignee: Kraft Inc
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Filing: 1956-09-13
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Granted: 1961-06-27
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Expires: 1976-09-13
Abstract
No abstract record available.
Inventors
- 👤 Ernest H Freund
- 👤 Domovs Kelvin
- 👤 Edward R Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:40
CPC Classifications
A; A23; A23C; A23C9/00; A23C9/14; A23C9/146
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A PROCESS FOR CHANGING THE CONCENTRATION OF ONE OF THE CATIONS OF MILK TO PRODUCE A DESIRED MILK PRODUCT WHICH COMPRISES TREATING MILK WITH A CATION EXCHANGER WHICH IS IN EQUILIBRIUM WITH THE DESIRED MILK, AND REGENERATING SAID CATION EXCHANGER AFTER BREAKTHROUGH WITH A REGENERANT SOLUTION WHICH HAS THE SAME IONIC RATIOS AND COMPOSITION AS A SALT SOLUTION WHICH HAS BEEN EQUILIBRATED WITH ANOTHER CATION EXCHANGER WHICH IS IN EQUILIBRIUM WITH THE DESIRED MILK.
Claim 2
Dependent Claim
74 words
A PROCESS FOR CHANGING THE CONCENTRATION OF ONE OF THE CATIONS OF MILK TO PRODUCE A DESIRED MILK PRODUCT WHICH COMPRISES TREATING MILK WITH A CATION EXCHANGER WHICH IS IN EQUILIBRIUM WITH THE DESIRED MILK, AND REGENERATING SAID CATION EXCHANGER AFTER BREAKTHROUGH WITH A REGENERANT SOLUTION WHICH HAS THE SAME IONIC RATIOS AND COMPOSITION AS A SALT SOLUTION WHICH HAS BEEN EQUILIBRATED WITH ANOTHER CATION EXCHANGER WHICH IS IN EQUILIBRIUM WITH THE DESIRED MILK.
References Cited (Backward Citations)
US2511825A
Cited
US2228160A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |