Patent US2579455A successfully refreshed from Google Patents.
US2579455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crystallization of lysozyme from egg white
Assignee: Individual
•
Filing: 1947-05-09
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Granted: 1951-12-25
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Expires: 1967-05-09
Abstract
No abstract record available.
Inventors
- 👤 Alderton Gordon
- 👤 Harry L Fevold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:41
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/14; C12N9/24; C12N9/2402; C12N9/2462; Y; Y10; Y10S; Y10S435/00; Y10S435/814; Y10S435/816
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE PROCESS OF ISOLATING CRYSTALLINE LYSOZYME FROM EGG WHITE WHICH COMPRISES DISSOLVING SUFFICIENT WATER-SOLUBLE INORGANIC SALT IN EGG WHITE TO ESTABLISH A CONCENTRATION OF ABOUT 3% TO ABOUT 10% OF THE SALT, ALLOWING THESOLUTION TO STAND AT A TEMPERATURE BELOW ROOM TEMPERATURE, AND REMOVING THE LYSOZYME CRYSTALS WHICH HAVE SEPARATED FROM THE SOLUTION.
Claim 2
Dependent Claim
53 words
THE PROCESS OF ISOLATING CRYSTALLINE LYSOZYME FROM EGG WHITE WHICH COMPRISES DISSOLVING SUFFICIENT WATER-SOLUBLE INORGANIC SALT IN EGG WHITE TO ESTABLISH A CONCENTRATION OF ABOUT 3% TO ABOUT 10% OF THE SALT, ALLOWING THESOLUTION TO STAND AT A TEMPERATURE BELOW ROOM TEMPERATURE, AND REMOVING THE LYSOZYME CRYSTALS WHICH HAVE SEPARATED FROM THE SOLUTION.
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) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |