Patent US3193393A successfully refreshed from Google Patents.
US3193393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protecting packaged heat-processed aqueous food from oxygen deterioration
Assignee: FERMCO LAB Inc
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Filing: 1961-10-31
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Granted: 1965-07-06
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Expires: 1981-10-31
Abstract
No abstract record available.
Inventors
- 👤 Scott Don
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:47
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: 2
Claim 1
Independent Claim
162 words
THE METHOD OF PROTECTING PACKAGED, HEAT-PROCESSED, AQUEOUS FOOD FROM DETERIORATION DUE TO OXYGEN COMPRISING, INCORPORATING IN SAID FOOD PRIOR TO CLOSING SAID PACKAGE AND BEFORE COMPLETION OF SAID PROCESSING, AN ENZYME PREPARATION CONTAINING GLUCOSE OXIDASE ENZYME DRIED UNDER CONDITIONS AVOIDING ENZYME INACTIVATION BY HEAT, SAID PREPARATION BEING INSULATED AGAINST THE ENZYME INACTIVATING EFFECT OF THE ELEVATED TEMPERATURES ENCOUNTERED IN PROCESSING BY A COATING OF FILM FORMING MATERIAL WHICH IS SLOWLY PENETRATED BY MOISTURE, AT LEAST ONE OF SAID AQUEOUS FOOD AND SAID PREPARATION SUPPLYING GLUCOSE, THE THICKNESS OF SAID COATING AND THE RATE OF PENETRATION BY MOISTURE OF SAID MATERIAL PROVIDING A PREDETERMINED INTERVAL OF TIME BETWEEN CONTACT OF THE COATED ENZYME WITH AQUEOUS MEDIUM AND MOISTURIZING OF THE ENZYME TO A WATER CONTENT ACTIVATING SAID ENZYME, AND COMPLETING SAID ELEVATED TEMPERATURE PROCESSING DURING SAID INTERVAL OF TIME WHEREBY SAID ENZYME IS PROTECTED AGAINST INACTIVATION BY SAID ELEVATED TEMPERATURE TREATMENT AND IS RELEASED TO PROVIDE ITS OXYGEN-REMOVING FUNCTION AFTER PROCESSING IS COMPLETED.
Claim 2
Independent Claim
162 words
THE METHOD OF PROTECTING PACKAGED, HEAT-PROCESSED, AQUEOUS FOOD FROM DETERIORATION DUE TO OXYGEN COMPRISING, INCORPORATING IN SAID FOOD PRIOR TO CLOSING SAID PACKAGE AND BEFORE COMPLETION OF SAID PROCESSING, AN ENZYME PREPARATION CONTAINING GLUCOSE OXIDASE ENZYME DRIED UNDER CONDITIONS AVOIDING ENZYME INACTIVATION BY HEAT, SAID PREPARATION BEING INSULATED AGAINST THE ENZYME INACTIVATING EFFECT OF THE ELEVATED TEMPERATURES ENCOUNTERED IN PROCESSING BY A COATING OF FILM FORMING MATERIAL WHICH IS SLOWLY PENETRATED BY MOISTURE, AT LEAST ONE OF SAID AQUEOUS FOOD AND SAID PREPARATION SUPPLYING GLUCOSE, THE THICKNESS OF SAID COATING AND THE RATE OF PENETRATION BY MOISTURE OF SAID MATERIAL PROVIDING A PREDETERMINED INTERVAL OF TIME BETWEEN CONTACT OF THE COATED ENZYME WITH AQUEOUS MEDIUM AND MOISTURIZING OF THE ENZYME TO A WATER CONTENT ACTIVATING SAID ENZYME, AND COMPLETING SAID ELEVATED TEMPERATURE PROCESSING DURING SAID INTERVAL OF TIME WHEREBY SAID ENZYME IS PROTECTED AGAINST INACTIVATION BY SAID ELEVATED TEMPERATURE TREATMENT AND IS RELEASED TO PROVIDE ITS OXYGEN-REMOVING FUNCTION AFTER PROCESSING IS COMPLETED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |