US3598606A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of fish protein concentrate and fish meal
Assignee: United States Department of the Interior
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Filing: 1969-02-13
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Granted: 1971-08-10
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Expires: 1989-02-13
Abstract
Abstract RAW, GROUND, WHOLE OR DEBONED, FISH IS CONTACTED WITH AN ACIDIC AQUEOUS SOLUTION OF A CONDENSED INORGANIC PHOSPHATE, E.G., SODIUM HEXAMETAPHOSPHATE, TO INSOLUBILIZE THE PROTEIN FRACTIONS OF THE TISSUE COMPONENTS. THE INSOLUBILIZED PROTEIN MAY THEN BE WATER WASHED TO REMOVE OIL AND OTHER UNDESIRED TISSUE COMPONENTS. EITHER FISH MEAL, SUITABLE FOR ANIMAL FEED, FERTILIZER, ETC. OR HIGH PROTEIN CONCENTRATE, SUITABLE FOR HUMAN FOOD USE, IS RECOVERED.
Inventors
- 👤 John Spinelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:53
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/04; A23K; A23K10/00; A23K10/20; A23K10/22; Y; Y10; Y10S; Y10S530/00; Y10S530/855; Y10S530/857
Claims Analysis
Total Claims: 0
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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) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |