Patent US2833657A successfully refreshed from Google Patents.
US2833657A
Expired / Lapsed
US
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Microwave irradiation of fruit juices
Assignee: Raytheon Co
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Filing: 1954-01-08
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Granted: 1958-05-06
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Expires: 1974-01-08
Abstract
No abstract record available.
Inventors
- 👤 David A Copson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:01
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/05; A23B2/08; A23B70/00; A23B70/30; A23B70/35
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
THE METHOD OF TREATING FRUIT JUICES AND FRUIT JUICE CONCENTRATES, SAID METHOD COMPRISING CAUSING A CONTINUOUS STREAM OF SAID JUICE MATERIAL TO FLOW AT AMBIENT TEMPERATURE, FILMING A PORTION OF SAID CONTINUOUS STREAM, IRRADIATING AND TREATING SAID FILMED PORTION WITH MICROWAVE ENERGY HAVING A WAVELENGTH IN THE RANGE OF SUBSTANTIALLY 1 TO 500 MILLIMETERS FOR A PERIOD OF TIME SUFFICIENT TO SUBSTANTIALLY COMPLETELY INACTIVATE THE ENZYMES AND MICROORGANISMS THEREIN, AND MAINTAINING SAID FILMED PORTION IN INTIMATE HEAT EXCHANGE RELATIONSHIP WITH A SUBSTANTIALLY UNTREATED PORTION OF SAID CONTINUOUS STREAM WHEREBY HEAT IN SAID IRRADIATED JUICE MATERIAL IS CONTINUOUSLY REMOVED AND ABSORBED BY SAID UNTREATED MATERIAL.
Claim 2
Independent Claim
104 words
THE METHOD OF TREATING FRUIT JUICES AND FRUIT JUICE CONCENTRATES, SAID METHOD COMPRISING CAUSING A CONTINUOUS STREAM OF SAID JUICE MATERIAL TO FLOW AT AMBIENT TEMPERATURE, FILMING A PORTION OF SAID CONTINUOUS STREAM, IRRADIATING AND TREATING SAID FILMED PORTION WITH MICROWAVE ENERGY HAVING A WAVELENGTH IN THE RANGE OF SUBSTANTIALLY 1 TO 500 MILLIMETERS FOR A PERIOD OF TIME SUFFICIENT TO SUBSTANTIALLY COMPLETELY INACTIVATE THE ENZYMES AND MICROORGANISMS THEREIN, AND MAINTAINING SAID FILMED PORTION IN INTIMATE HEAT EXCHANGE RELATIONSHIP WITH A SUBSTANTIALLY UNTREATED PORTION OF SAID CONTINUOUS STREAM WHEREBY HEAT IN SAID IRRADIATED JUICE MATERIAL IS CONTINUOUSLY REMOVED AND ABSORBED BY SAID UNTREATED MATERIAL.
References Cited (Backward Citations)
US1863222A
Cited
US2089966A
Cited
US2495429A
Cited
US2476251A
Cited
US2576862A
Cited
US2585970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |