Patent US2554479A successfully refreshed from Google Patents.
US2554479A
Expired / Lapsed
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Protein modification
Assignee: Primary Products Ingredients Americas LLC
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Filing: 1948-04-06
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Granted: 1951-05-22
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Expires: 1968-04-06
Abstract
No abstract record available.
Inventors
- 👤 Wolff Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:52
CPC Classifications
A; A23; A23J; A23J3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
IN THE PROCESS OF MODIFYING PROTEIN TO PRODUCE AN IMPROVED WHIPPING PROTEIN, THE IMPROVEMENT CONSISTING OF HEATING AN AQUEOUS SUSPENSION OF THE PROTEIN HAVING A PH SUBSTANTIALLY ABOVE 10, AT A TEMPERATURE HAVING A RANGE OF 50 TO 100* C., IN AN ATMOSPHERE CONTAINING OXYGEN GAS IN A PERCENTAGE CONCENTRATION SUBSTANTIALLY GREATER THAN IN AIR.
Claim 2
Dependent Claim
55 words
IN THE PROCESS OF MODIFYING PROTEIN TO PRODUCE AN IMPROVED WHIPPING PROTEIN, THE IMPROVEMENT CONSISTING OF HEATING AN AQUEOUS SUSPENSION OF THE PROTEIN HAVING A PH SUBSTANTIALLY ABOVE 10, AT A TEMPERATURE HAVING A RANGE OF 50 TO 100* C., IN AN ATMOSPHERE CONTAINING OXYGEN GAS IN A PERCENTAGE CONCENTRATION SUBSTANTIALLY GREATER THAN IN AIR.
References Cited (Backward Citations)
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US2271620A
Cited
US2424408A
Cited
US2409475A
Cited
US2478065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |