US2958630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of blood to yield amino acids
Assignee: Armour and Co
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Filing: 1957-07-17
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Granted: 1960-11-01
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Expires: 1977-07-17
Abstract
No abstract record available.
Inventors
- 👤 Havard L Keil
- 👤 Edward F Cavanaugh
- 👤 James B Himes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:46
CPC Classifications
A; A23; A23J; A23J3/00; A23J3/30; A23J3/32; A23J3/34; A23J3/341; A23J3/345; A61; A61K; A61K38/00; A61K38/01; A61K38/012; A61K38/017
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
IN A PROCESS OF PREPARING AMINO ACIDS FROM BLOOD HAVING A PH WITHIN THE RANGE OF ABOUT 4 TO 6, THE STEP OF CONTACTING A SOLUTION OF BLOOD WITH AN ANTI-ENZYME PRECIPITANT COMPRISING AN ALUMINUM SULFATE SOLUTION WHEREBY CATALASE AND ENZYME INHIBITORS PRESENT IN THE BLOOD ARE PRECIPITATED, SEPARATING THE PRECIPITATED SOLIDS FROM THE SUPERNATANT SOLUTION EHICH CONTAINS SOLUBLE BLOOD PROTEINS, AND SUBJECTING SAID SOLUBLE BLOOD PROTEINS IN SAID SOLUTION TO THE ACTION OF A PROTEOLYTIC ENZYME.
Claim 2
Dependent Claim
77 words
IN A PROCESS OF PREPARING AMINO ACIDS FROM BLOOD HAVING A PH WITHIN THE RANGE OF ABOUT 4 TO 6, THE STEP OF CONTACTING A SOLUTION OF BLOOD WITH AN ANTI-ENZYME PRECIPITANT COMPRISING AN ALUMINUM SULFATE SOLUTION WHEREBY CATALASE AND ENZYME INHIBITORS PRESENT IN THE BLOOD ARE PRECIPITATED, SEPARATING THE PRECIPITATED SOLIDS FROM THE SUPERNATANT SOLUTION EHICH CONTAINS SOLUBLE BLOOD PROTEINS, AND SUBJECTING SAID SOLUBLE BLOOD PROTEINS IN SAID SOLUTION TO THE ACTION OF A PROTEOLYTIC ENZYME.
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) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |