US3073702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water dispersible collagen
Assignee: Armour and Co
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Filing: 1960-02-04
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Granted: 1963-01-15
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Expires: 1980-02-04
Abstract
No abstract record available.
Inventors
- 👤 Havard L Keil
- 👤 Edward F Cavanaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:30
CPC Classifications
A; A23; A23C; A23C19/00; A23C19/14; A23C19/16; A22; A22C; A22C13/00; A22C13/0013; A22C13/0016; C; C08; C08H; C08H1/00; C08H1/06; C09; C09H; C09H3/00; Y; Y10; Y10S; Y10S128/00; Y10S128/08; Y10S530/00; Y10S530/827; Y10S530/842
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
24 words
THE PROCESS OF PREPARING A LOW VISCOSITY COLLAGEN COMPRISING THE STEPS OF CONDITIONING COLLAGEN BY CONTACTING IT WITH HYDROGEN PEROXIDE HAVING A CONCENTRATION OF
Claim 2
Dependent Claim
82 words
TO 10% TO HEREBY RENDER THE COLLAGEN MORE READILY WATER DISPERSIBLE, ADJUSTING PH OF THE COLLAGEN TO ABOUT 1.0 TO BELOW 3.0 COMMINUTING THE ACIDIFIED CONDITIONED COLLAGEN MAINTAINING THE COMMINUTED COLLAGEN AT A PH OF UP TO 4.0 WHILE AT A TEMPERATURE OF FROM ABOUT 1* TO 60* C. FOR A TIME PERIOD SUFFICIENT TO DECREASE VISCOITY OF THE TREATED COLLAGEN TO A LEVEL AT WHICH A WATER DISPERSION HAS A POUR-POINT ABOUT 6% TOTAL SOLIDS AT A TEMPERATURE OF 37* C.
Claim 3
Dependent Claim
14 words
A FOOD PRODUCT ENROBED WITH THE PRODUCT PRODUCED BY THE PROCESS OF CLAIM 2.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |