US2566477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the treatment of lacteal sera
Assignee: Individual
•
Filing: 1949-01-24
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Granted: 1951-09-04
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Expires: 1969-01-24
Abstract
No abstract record available.
Inventors
- 👤 Abrahamczik Ernst
- 👤 Schaffernak Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:33
CPC Classifications
A; A23; A23C; A23C9/00; A23C9/14; A23C9/146; A23J; A23J1/00; A23J1/20; A23J1/205; A23V; A23V2002/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE PROCESS OF TREATING WHEY COMPRISING REMOVING WEAK ACIDS AND SALTS OF WEAK ACIDS THEREFROM PASSING THE WHEY IN CONTACT WITH AN ANION EXCHANGE MATERIAL, PARTIALLY REMOVING METAL IONS FROM THE TREATED WHEY BY PASSING IT IN CONTACT WITH A CATION EXCHANGE MATERIAL, CONCENTRATING THE LAST TREATED WHEY, HYDROLYZING PART OF THE ORGANIC CONSTITUENTS BY HEATING THE CONCENTRATE TO A TEMPERATURE UP TO 115* C. AND IN THE PRESENCE OF A MINOR PORTION OF A MINERAL ACID, DEACIDIFYING THE HYDROLYZED CONCENTRATE BY PASSING IT IN CONTACT WITH A HYDROXYL ION EXCHANGE MATERIAL AND COLLECTING THE TREATED CONCENTRATE
Claim 2
Dependent Claim
97 words
THE PROCESS OF TREATING WHEY COMPRISING REMOVING WEAK ACIDS AND SALTS OF WEAK ACIDS THEREFROM PASSING THE WHEY IN CONTACT WITH AN ANION EXCHANGE MATERIAL, PARTIALLY REMOVING METAL IONS FROM THE TREATED WHEY BY PASSING IT IN CONTACT WITH A CATION EXCHANGE MATERIAL, CONCENTRATING THE LAST TREATED WHEY, HYDROLYZING PART OF THE ORGANIC CONSTITUENTS BY HEATING THE CONCENTRATE TO A TEMPERATURE UP TO 115* C. AND IN THE PRESENCE OF A MINOR PORTION OF A MINERAL ACID, DEACIDIFYING THE HYDROLYZED CONCENTRATE BY PASSING IT IN CONTACT WITH A HYDROXYL ION EXCHANGE MATERIAL AND COLLECTING THE TREATED CONCENTRATE
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) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |