US3664844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edible collagen film
Assignee: Johnson and Johnson
•
Filing: 1970-02-10
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Granted: 1972-05-23
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Expires: 1990-02-10
Abstract
Abstract EDIBLE COLLAGEN CONTINUOUS FILMS, WHICH ARE STRONG AND HAVE GOOD WET STRENGTH, WHICH ARE ESPECIALLY USEFUL HEN USED TO HOLD AND COVER WET EMULSIONS TO MAKE MEAT BAR SNACK PRODUCTS, ARE PREPARED BY FORMING AND DRYING A SHEET OF ACID-SWOLLEN HIDE CORIUM-DERIVED COLLAGEN TREATED WITH FUNGAL PROTEASES DERIVED FROM ASPERGILLUS ORYZAE AND ASPERGILLUS FLAVUS-ORYZAE, WHICH ALSO CONTAINS A PLASTICIZER AND PREFERABLY FURTHER CONTAINS A SOLUBILIZED SOY PROTEIN AND/OR AN EDIBLE CELLULOSE, AND THEN PREFERABLY TREATING THE DRIED FILM WITH GASEOUS AMMONIA WHEN GREATLY ENHANCED WET STRENGTH IS DESIRED.
Inventors
- 👤 Albert T Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:00
CPC Classifications
A; A23; A23J; A23J1/00; A23J1/10; A22; A22C; A22C13/00; A22C13/0013; A22C13/0016; A23J3/00; A23J3/04; A23J3/06
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) | 1975-05-23 | 1975-11-22 | 1976-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-23 | 1979-11-22 | 1980-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-23 | 1983-11-22 | 1984-05-23 | $7700.00 | Window Closed / Lapsed |