US2903371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for freezing heat sensitive liquids bearing solids and simultaneously scrubbing and preventing oxidation
Assignee: Union Carbide Corp
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Filing: 1955-09-09
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Granted: 1959-09-08
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Expires: 1975-09-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry A Toulmin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:11
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN A METHOD OF LOW-TEMPERATURE DEHYDRATION OF CITRUS JUICES, THE STEPS OF SUBJECTING THE CITRUS JUICE TO A TEMPERATURE LOWER THAN THE TEMPERATURE OF ITS FREEZING POINT WHILE AGITATING THE JUICE TO REMOVE A PORTION OF THE WATER THEREFROM IN THE FORM OF ICE CRYSTALS, CENTRIFUGING THE MIXTURE OF CITRUS JUICE AND ICE CRYSTALS TO SEPARATE THE CITRUS JUICE THEREFROM, PASSING AN INERT GAS UPWARDLY THROUGH THE CITRUS JUICE WHILE IT IS BEING SUBJECTED TO A FREEZING TEMPERATURE AND WHILE IT IS BEING CENTRIFUGED TO STRIP CARBON DIOXIDE THEREFROM AND TO MAINTAIN AN ANTI-OXIDATION ATMOSPHERE, AND REMOVING THE SEPARATED CITRUS JUICE TO FORM A CITRUS JUICE CONCENTRATE.
Claim 2
Dependent Claim
107 words
IN A METHOD OF LOW-TEMPERATURE DEHYDRATION OF CITRUS JUICES, THE STEPS OF SUBJECTING THE CITRUS JUICE TO A TEMPERATURE LOWER THAN THE TEMPERATURE OF ITS FREEZING POINT WHILE AGITATING THE JUICE TO REMOVE A PORTION OF THE WATER THEREFROM IN THE FORM OF ICE CRYSTALS, CENTRIFUGING THE MIXTURE OF CITRUS JUICE AND ICE CRYSTALS TO SEPARATE THE CITRUS JUICE THEREFROM, PASSING AN INERT GAS UPWARDLY THROUGH THE CITRUS JUICE WHILE IT IS BEING SUBJECTED TO A FREEZING TEMPERATURE AND WHILE IT IS BEING CENTRIFUGED TO STRIP CARBON DIOXIDE THEREFROM AND TO MAINTAIN AN ANTI-OXIDATION ATMOSPHERE, AND REMOVING THE SEPARATED CITRUS JUICE TO FORM A CITRUS JUICE CONCENTRATE.
References Cited (Backward Citations)
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Cited
US2301901A
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US2552524A
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US2552525A
Cited
US2614048A
Cited
US2666707A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |