Patent US2554632A successfully refreshed from Google Patents.
US2554632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of protein digestion product
Assignee: Baxter International Inc
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Filing: 1950-03-24
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Granted: 1951-05-29
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Expires: 1970-03-24
Abstract
No abstract record available.
Inventors
- 👤 Naurice M Nesset
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:02
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/01; A61K38/012; A61K38/017
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PROCESS FOR PREPARING A BALANCED GROWTHSUPPORTING MIXTURE OF PROTEIN DIGESTION PRODUCTS FROM MAMMALIAN BLOOD, THE MIXTURE BEING SUBSTANTIALLY FREE OF UNDIGESTED PROTEINS, COMPRISING SEPARATING THE FORMED ELEMENTS FROM THE BLOOD, SUBJECTING THE REMAINING PORTION OF THE BLOOD TO DIGESTION WITH A PROTEOLYTIC ENZYME UNTIL THE ALPHA AMINO NITROGEN CONTENT OF THE MIXTURE IS IN EXCESS OF 40%, THE DIGESTION OPERATION BEING CARRIED OUT AT A TEMPERATURE AND HYDROGEN ION CONCENTRATION FAVORABLE TO THE ACTION OF THE ENZYME, HEATING THE DIGESTED MIXTURE AT A PH OF APPROXIMATELY 5.7 TO A TEMPERATURE IN THE NEIGHBORHOOD OF 250* F. UNTIL ANY UNDIGESTED PROTEINS ARE COAGULATED, AND SEPARATING THE INSOLUBLE CONSTITUENTS INCLUDING THE COAGULATED PROTEINS FROM THE MIXTURE.
Claim 2
Dependent Claim
115 words
A PROCESS FOR PREPARING A BALANCED GROWTHSUPPORTING MIXTURE OF PROTEIN DIGESTION PRODUCTS FROM MAMMALIAN BLOOD, THE MIXTURE BEING SUBSTANTIALLY FREE OF UNDIGESTED PROTEINS, COMPRISING SEPARATING THE FORMED ELEMENTS FROM THE BLOOD, SUBJECTING THE REMAINING PORTION OF THE BLOOD TO DIGESTION WITH A PROTEOLYTIC ENZYME UNTIL THE ALPHA AMINO NITROGEN CONTENT OF THE MIXTURE IS IN EXCESS OF 40%, THE DIGESTION OPERATION BEING CARRIED OUT AT A TEMPERATURE AND HYDROGEN ION CONCENTRATION FAVORABLE TO THE ACTION OF THE ENZYME, HEATING THE DIGESTED MIXTURE AT A PH OF APPROXIMATELY 5.7 TO A TEMPERATURE IN THE NEIGHBORHOOD OF 250* F. UNTIL ANY UNDIGESTED PROTEINS ARE COAGULATED, AND SEPARATING THE INSOLUBLE CONSTITUENTS INCLUDING THE COAGULATED PROTEINS FROM THE MIXTURE.
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) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |