US2754292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precipitation of proteins
Assignee: Hexion Inc
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Filing: 1955-06-20
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Granted: 1956-07-10
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Expires: 1975-06-20
Abstract
No abstract record available.
Inventors
- 👤 Henderson Richard
- 👤 Richard J Block
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:32
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
69 words
IN PRECIPITATING PROTEIN FROM WHEY, THE PROCESS WHICH COMPRISES MIXING A SOLUBLE FERROUS SALT WITH THE WHEY, ADDING AN ACIDIC SUBSTANCE IN AMOUNT IF ANY REQUIRED TO ESTABLISH THE PH OF THE MIXTURE AT A LEVEL BELOW THAT OF PRECIPITATION OF PROTEIN BY FERROUS IRON, INTRODUCING AN OXIDIZING AGENT INTO THE MIXTURE TO OXIDIZE THE FERROUS TO FERRIC IRON, AND THEN SEPARATING THE RESULTING PRECIPITATE FROM THE AQUEOUS PHASE.
Claim 2
Dependent Claim
69 words
IN PRECIPITATING PROTEIN FROM WHEY, THE PROCESS WHICH COMPRISES MIXING A SOLUBLE FERROUS SALT WITH THE WHEY, ADDING AN ACIDIC SUBSTANCE IN AMOUNT IF ANY REQUIRED TO ESTABLISH THE PH OF THE MIXTURE AT A LEVEL BELOW THAT OF PRECIPITATION OF PROTEIN BY FERROUS IRON, INTRODUCING AN OXIDIZING AGENT INTO THE MIXTURE TO OXIDIZE THE FERROUS TO FERRIC IRON, AND THEN SEPARATING THE RESULTING PRECIPITATE FROM THE AQUEOUS PHASE.
References Cited (Backward Citations)
US2710858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-10 | 1960-01-09 | 1960-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-10 | 1964-01-09 | 1964-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-10 | 1968-01-09 | 1968-07-10 | $7700.00 | Window Closed / Lapsed |