US2833657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave irradiation of fruit juices
Assignee: Raytheon Co
•
Filing: 1954-01-08
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Granted: 1958-05-06
•
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 01:15
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)
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Cited
US2089966A
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US2495429A
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US2476251A
Cited
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US2585970A
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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) | 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 |