US3706631A
Expired / Lapsed
US
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Sterilization of protein-containing fluids
Assignee: JOHN D FALK
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Filing: 1970-10-08
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Granted: 1972-12-19
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Expires: 1990-10-08
Abstract
Abstract A PROCESS FOR STERLIZATION OF A FLUID WHICH CONTAINS PROTEIN CONSTITUENTS, WITHOUT COAGULATING SAID PROTEIN CONSTITUTENTS, AND THE RESULATANT PRODUCT. THE SALTS IN SAID FLUID ARE REDUCED WHICH LOWERS THE PH OF THE FLUID. THE FLUIDS IS PH ADJUSTED WITH A BASIC SOLUTION, FOLLOWING WHICH THE FLUID IS STERILIZED BY EXPOSING THE FLUID TO AN ENERGY SOURCE WHICH RAISES THE TEMPERATURE OF THE FLUID TO THE STERILIZING TEMPERATRUE RANGE FOR THAT FLUID.
Inventors
- 👤 John D Falk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:52
CPC Classifications
A; A61; A61K; A61K35/00; A61K35/12; A61K35/14; A61K35/16; A61L; A61L2/00; A61L2/02; A61L2/04; A61L2/08; A61L2/12; A61L2103/00; A61L2103/05; A61L2103/09; Y; Y10; Y10S; Y10S530/00; Y10S530/827; Y10S530/829; Y10S530/83
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-19 | 1976-06-19 | 1976-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-19 | 1980-06-19 | 1980-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-19 | 1984-06-19 | 1984-12-19 | $7700.00 | Window Closed / Lapsed |