US3160508A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of removing free oxygen from an aqueous food product
Assignee: FERMCO LAB Inc
•
Filing: 1960-11-17
•
Granted: 1964-12-08
•
Expires: 1980-11-17
Abstract
No abstract record available.
Inventors
- 👤 Scott Don
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:43
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/70; A23L2/76; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/783; A23L2/84
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
110 words
THE METHOD OF REMOVING FREE OXYGEN FROM AQUEOUS FOOD WHICH IS SUBJECTED TO ELEVATED TEMPERATURES DURING PROCESSING, COMPRISING INCORPORATING IN SAID FOOD PRIOR TO SAID PROCESSING AN ENZYME PREPARATION CONTAINING OXIDASE ENZYME DRIED UNDER CONDITIONS AVOINDING ENZYME DEACTIVATION BY HEAT AND INSULATED AGAINS THE EFFECT OF HEAT AND MOISTURE WITH A COATNG OF COLD WATER SOLUBLE METHYL CELLULOSE WHICH IS NON-PERMEABLE TO AQUEOUS MEDIA AT TEMPERATURES ABOVE THE INACTIVATION TEMPERATURE OF SAID ENZYME PREPARTION WHEREBY, UPON COOLING THE FOOD BELOW THE DEACTIVATION TEMPERATURES, THE METHYL CELLULOSE LIBERATES THE ENZYME UNDER WHICH CONDITIONS THE ACTIVE ENZYMES ARE FREE TO CONSUME THE OXYGEN IN SAID AQUEOUS FOOD IN THE PRESENCE OF GLUCOSE.
References Cited (Backward Citations)
US2482724A
Cited
US2517226A
Cited
US2642376A
Cited
US2741397A
Cited
US2765233A
Cited
US2758932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |