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Patent US2726235A successfully refreshed from Google Patents.
US2726235A
Expired / Lapsed
US
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Method for the separation of proteins
Assignee: Individual
•
Filing: 1953-03-02
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Granted: 1955-12-06
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Expires: 1973-03-02
Abstract
No abstract record available.
Inventors
- 👤 Rane Leo
- 👤 Lloyd R Newhouser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:53
CPC Classifications
A; A23; A23J; A23J1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A METHOD OF PRECIPITATING PROTEINS FROM A SOLUTION CONTAINING PROTEINACEOUS MATERIAL COMPRISING ADDING SODIUM TETRAMETAPHOSPHATE TO SAID SOLUTION, AND LOWERING THE SOLUTION PH TO PRECIPITATE THE PROTEINS.
Claim 2
Independent Claim
27 words
A METHOD OF PRECIPITATING PROTEINS FROM A SOLUTION CONTAINING PROTEINACEOUS MATERIAL COMPRISING ADDING SODIUM TETRAMETAPHOSPHATE TO SAID SOLUTION, AND LOWERING THE SOLUTION PH TO PRECIPITATE THE PROTEINS.
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) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |