US3141774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Animal fatty tissue defatting process
Assignee: Pennwalt Corp
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Filing: 1962-02-02
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Granted: 1964-07-21
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Expires: 1982-02-02
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Little
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:27
CPC Classifications
C; C11; C11B; C11B1/00; C11B1/12; C11B1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
IN THE DEFATTING OF ANIMAL TISSUE TO PRODUCE A RELATIVELY MOIST PARTIALLY DEFATTED TISSURE PRODUCT THE PROCESS WHICH INCLUDES THE STEPS OF: STRIKING THE TISSURE VIOLENTLY AND REPEATEDLY WITH ROTARY BLOWS OF AN ELONGATE ELEMENT IN A CONFINED COMMINUTING ZONE IN THE PRESENCE OF STEAM INJECTED FROM AN EXTERNAL SOURCE UNTIL THE TISSURE IS REDUCED TO A SELECTED PARTICLE SIZE, APPLYING HEAT TO THE TISSURE TO RAISE THE TEMPERATURE OF THE PARTICLE MASS TO BETWEEN ABOUT 140*F. AND 170*F.; AND THEN SEPARATING THE TISSURE FROM THE FAT MELTED DURING THE STRIKING AND HEATING STEP.
Claim 2
Dependent Claim
94 words
IN THE DEFATTING OF ANIMAL TISSUE TO PRODUCE A RELATIVELY MOIST PARTIALLY DEFATTED TISSURE PRODUCT THE PROCESS WHICH INCLUDES THE STEPS OF: STRIKING THE TISSURE VIOLENTLY AND REPEATEDLY WITH ROTARY BLOWS OF AN ELONGATE ELEMENT IN A CONFINED COMMINUTING ZONE IN THE PRESENCE OF STEAM INJECTED FROM AN EXTERNAL SOURCE UNTIL THE TISSURE IS REDUCED TO A SELECTED PARTICLE SIZE, APPLYING HEAT TO THE TISSURE TO RAISE THE TEMPERATURE OF THE PARTICLE MASS TO BETWEEN ABOUT 140*F. AND 170*F.; AND THEN SEPARATING THE TISSURE FROM THE FAT MELTED DURING THE STRIKING AND HEATING STEP.
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) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |