US2665989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Milk protein food product and process
Assignee: Hexion Inc
•
Filing: 1949-02-15
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Granted: 1954-01-12
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Expires: 1969-02-15
Abstract
No abstract record available.
Inventors
- 👤 Hartley W Howard
- 👤 Richard J Block
- 👤 Herbert E Sevall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:27
CPC Classifications
A; A23; A23C; A23C9/00; A23C9/15; A23C9/1512; A23J; A23J1/00; A23J1/20; A23J1/207; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/832
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
IN PRECIPITATING CASEIN AND LACTALBUMIN IN WATER REDISPERSIBLE FORM FROM SKIMMED MILK, THE METHOD WHICH COMPRISES HEATING THE MILK AND MAINTAINING IT AT ALL TIMES AT A PH ABOVE THE ISOELECTRIC POINT FOR CASEING AND ABOVE THE PH AT WHICH CASEIN PRECIPITATES UNTIL THE TEMPERATURE COMES TO BE WITHIN THE RANGE 85*-95* C., WHEREBY PRECIPITATION OF CASEING AND LACTALBUMIN ARE AVOIDED, THEN ADDING AN ACID IN AMOUNT TO ESTABLISH THE PH OF THE HEATED MILK AT APPROXIMATELY THE ISOELECTRIC POINT FOR CASEIN WHILE MAINTAINING THE TEMPERATURE WITHIN THE SAID RANGE, THE CASEIN AND LACTALBUMIN BEING THUS PRECIPITATED AT THE SAME TIME, AND THEN SEPARATING THE CASEIN AND LACTALBUMIN SO PRECIPITATED FROM THE REMAINING LIQUID, BOTH THE CASEIN AND THE LACTALBUMIN SO OBTAINED BEING READILY DISPERSIBLE IN WATER AT APPROXIMATE NEUTRALITY.
Claim 2
Dependent Claim
130 words
IN PRECIPITATING CASEIN AND LACTALBUMIN IN WATER REDISPERSIBLE FORM FROM SKIMMED MILK, THE METHOD WHICH COMPRISES HEATING THE MILK AND MAINTAINING IT AT ALL TIMES AT A PH ABOVE THE ISOELECTRIC POINT FOR CASEING AND ABOVE THE PH AT WHICH CASEIN PRECIPITATES UNTIL THE TEMPERATURE COMES TO BE WITHIN THE RANGE 85*-95* C., WHEREBY PRECIPITATION OF CASEING AND LACTALBUMIN ARE AVOIDED, THEN ADDING AN ACID IN AMOUNT TO ESTABLISH THE PH OF THE HEATED MILK AT APPROXIMATELY THE ISOELECTRIC POINT FOR CASEIN WHILE MAINTAINING THE TEMPERATURE WITHIN THE SAID RANGE, THE CASEIN AND LACTALBUMIN BEING THUS PRECIPITATED AT THE SAME TIME, AND THEN SEPARATING THE CASEIN AND LACTALBUMIN SO PRECIPITATED FROM THE REMAINING LIQUID, BOTH THE CASEIN AND THE LACTALBUMIN SO OBTAINED BEING READILY DISPERSIBLE IN WATER AT APPROXIMATE NEUTRALITY.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |