Patent US2494148A successfully refreshed from Google Patents.
US2494148A
Expired / Lapsed
US
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Method of purifying lactalbumin
Assignee: JBS USA LLC
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Filing: 1947-01-22
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Granted: 1950-01-10
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Expires: 1967-01-22
Abstract
No abstract record available.
Inventors
- 👤 William E Truce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:33
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/20; A23J1/205; A23V; A23V2002/00; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/833
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN A PROCESS OF DESTABILIZING GEL-LIKE AQUEOUS CURDS OF CRUDE LACTALBUMIN PRECIPITATED FROM WHEY WITHOUT FORMING A SOLUTION OF LACTALBUMIN, THE STEPS WHICH COMPRISE: HEATING IN THE PRESENCE OF MOISTURE THE SAID CURDS OF LACTALBUMIN WHICH HAVE BEEN SEPARATED FROM THE WHEY TO A TEMPERATURE AT LEAST APPROXIMATELY THE BOILING POINT OF WATER FOR A PERIOD OF AT LEAST APPROXIMATELY 5 MINUTES WHILE MAINTAINING THE LACTALBUMIN IN THE SOLID STATE, AND DISCONTINUING THE SAID HEATING BEFORE THE SAID LACTALBUMIN IS HYDROLYZED; THEREBY DESTABILIZING THE GEL-LIKE STRUCTURE OF THE CURDS SO THAT LACTOSE AND MINERALS
Claim 2
Dependent Claim
94 words
IN A PROCESS OF DESTABILIZING GEL-LIKE AQUEOUS CURDS OF CRUDE LACTALBUMIN PRECIPITATED FROM WHEY WITHOUT FORMING A SOLUTION OF LACTALBUMIN, THE STEPS WHICH COMPRISE: HEATING IN THE PRESENCE OF MOISTURE THE SAID CURDS OF LACTALBUMIN WHICH HAVE BEEN SEPARATED FROM THE WHEY TO A TEMPERATURE AT LEAST APPROXIMATELY THE BOILING POINT OF WATER FOR A PERIOD OF AT LEAST APPROXIMATELY 5 MINUTES WHILE MAINTAINING THE LACTALBUMIN IN THE SOLID STATE, AND DISCONTINUING THE SAID HEATING BEFORE THE SAID LACTALBUMIN IS HYDROLYZED; THEREBY DESTABILIZING THE GEL-LIKE STRUCTURE OF THE CURDS SO THAT LACTOSE AND MINERALS
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) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |