Patent US3592666A successfully refreshed from Google Patents.
US3592666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for avoiding splitting of vegetables during freezing
Assignee: EIDP Inc
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Filing: 1969-02-10
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Granted: 1971-07-13
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Expires: 1989-02-10
Abstract
Abstract IN THE PROCESS FOR FREEZING VEGETABLES WHICH ARE SUSCEPTIBLE TO SURFACE SPLITTING OR CRACKING AND/OR WHITENING WHEN FROZEN OR WHILE BEING FROZEN BY A PROCESS WHICH EMPLOYS A LIQUID POLYFLUORINATED HALOHYDROCARBON HAVING A NORMAL BOILING POINT OF ABOUT -5* TO -50*C. (23* TO -58*F.) AND A LIQUID DENSITY SUFFICIENT TO FLOAT SAID VEGETABLES, THE IMPROVEMENT WHICH COMPRISES HEATING THE VEGETABLE THROUGHOUT ITS MASS TO A TEMPERATURE OF 80*-100*C. (176*-212*F.) IMMEDIATELY PRIOR TO FREEZING.
Inventors
- 👤 Paul Wayne Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:37
CPC Classifications
A; A23; A23B; A23B7/00; A23B7/005; A23B7/0053; A23B7/04; A23B7/05; A23B7/055
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) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |