US3806501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protein product and process of preparing it which comprises reacting poultry feather meal,lime and sodium sulfide
Assignee: Individual
•
Filing: 1972-11-07
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Granted: 1974-04-23
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Expires: 1992-11-07
Abstract
Abstract A PROCESS OF PRODUCING A PROTEIN PRODUCT COMPRISING THE STEPS OF HEATING A REACTION MIXTURE OF 10 PARTS BY WEIGHT OF POULTRY FEATHER MEAL TO 1-2 PARTS LIME (CAO) AND TO 2-3 PARTS OF SODIUM SULFIDE (NA2S) AND OF 7-10 GALLONS OF WATER TO 10 POUNDS OF POULTRY FEATHER MEAL TO C TEMPERATURE RANGE OF 190*-212*F. FOR 3-5 HOURS; COOLING THE MIXTURE TO A PH RANGE OF 6.8-7.2 WITH AN ACID; AND SEPARATING THE SLUDGE FROM THE MIXTURE TO PRODUCE A CLEAR WATER SOLUBLE PRODUCT, A PROTEIN PRODUCT PRODUCED BY THE ABOVE PROCESS.
Inventors
- 👤 T Peters
- 👤 J Rymer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:25
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/64; A61K8/65; A23; A23J; A23J1/00; A23J1/10; A61Q; A61Q19/00
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) | 1977-04-22 | 1977-10-22 | 1978-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-22 | 1981-10-22 | 1982-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-22 | 1985-10-22 | 1986-04-23 | $7700.00 | Window Closed / Lapsed |