US3113876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing concentrated solutions of heat-sensitive material
Assignee: Union Carbide Corp
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Filing: 1961-01-19
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Granted: 1963-12-10
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Expires: 1981-01-19
Abstract
No abstract record available.
Inventors
- 👤 Paul L Smith
- 👤 Ross E Cornwell
- 👤 Thurston W Harwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:26
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/24; A23F5/28; A23F5/285; A23F3/00; A23F3/40; A23F3/42; A23F3/426; A23L; A23L2/00; A23L2/52; A23L2/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A PROCESS FOR THE CONCENTRATION OF A SOLUTION OF HEATSENSITIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF FRUIT JUICES, BEER, WINES, COFFEE, AND VEGETABLE JUICES COMPRISING: SUBJECTING SAID SOLUTION TO A STRIPPING OPERATION WHEREIN AN INERT GAS IS PASSED THROUGH SAID SOLUTION SO AS TO PREFERENTIALLY DISPLACE SUBSTANTIALLY ALL THE OXYGEN PRESENT IN SAID SOLUTION; REMOVING THE ESSENCE FROM SAID SOLUTION WHICH HAS BEEN SUBJECTED TO SAID STRIPPING OPERATION BY SUBJECTING SAID SOLUTION TO A PRESSURE LESS THAN ATMOSPHERIC; CONCENTRATING SAID SOLUTION FROM WHICH SAID ESSENCE HAS BEEN REMOVED BY EVAPORATING SOLVENT FROM SAID SOLUTION WHILE SUBJECTING SAID SOLUTION TO A PRESSURE LESS THAN ATMOSPHERIC; PROTECTING SAID ESSENCE AND SAID SOLUTION FROM CONTAMINATION BY MAINTAINING THEM UNDER NON-OXIDIZING CONDITIONS; AND RECOMBINING SAID ESSENCE AND SAID CONCENTRATED SOLUTION AND STORING THE RECOMBINED PRODUCT UNDER NONOXIDIZING CONDITIONS.
Claim 2
Dependent Claim
135 words
A PROCESS FOR THE CONCENTRATION OF A SOLUTION OF HEATSENSITIVE MATERIAL SELECTED FROM THE GROUP CONSISTING OF FRUIT JUICES, BEER, WINES, COFFEE, AND VEGETABLE JUICES COMPRISING: SUBJECTING SAID SOLUTION TO A STRIPPING OPERATION WHEREIN AN INERT GAS IS PASSED THROUGH SAID SOLUTION SO AS TO PREFERENTIALLY DISPLACE SUBSTANTIALLY ALL THE OXYGEN PRESENT IN SAID SOLUTION; REMOVING THE ESSENCE FROM SAID SOLUTION WHICH HAS BEEN SUBJECTED TO SAID STRIPPING OPERATION BY SUBJECTING SAID SOLUTION TO A PRESSURE LESS THAN ATMOSPHERIC; CONCENTRATING SAID SOLUTION FROM WHICH SAID ESSENCE HAS BEEN REMOVED BY EVAPORATING SOLVENT FROM SAID SOLUTION WHILE SUBJECTING SAID SOLUTION TO A PRESSURE LESS THAN ATMOSPHERIC; PROTECTING SAID ESSENCE AND SAID SOLUTION FROM CONTAMINATION BY MAINTAINING THEM UNDER NON-OXIDIZING CONDITIONS; AND RECOMBINING SAID ESSENCE AND SAID CONCENTRATED SOLUTION AND STORING THE RECOMBINED PRODUCT UNDER NONOXIDIZING CONDITIONS.
References Cited (Backward Citations)
US2666707A
Cited
US2911308A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |