Patent US2729564A successfully refreshed from Google Patents.
US2729564A
Expired / Lapsed
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Method of recovering volatile flavoring oils
Assignee: Individual
•
Filing: 1951-03-02
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Granted: 1956-01-03
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Expires: 1971-03-02
Abstract
No abstract record available.
Inventors
- 👤 George J Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:01
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/02; A; A23; A23L; A23L27/00; A23L27/10; A23L27/12; A23L27/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A METHOD FOR RECOVERING A VOLATILE FLAVORING OIL FROM A GASEOUS MATERIAL CONTAINING SAID OIL AND WATER VAPOR WHICH COMPRISES CONTACTING SAID GASEOUS MATERIAL WITH A REFRIGERATED HYGROSCOPIC AQUEOUS SOLUTION OF AN INORGANIC ELECTROLYTE IMMISCIBLE WITH THE FLAVORING OIL WHEREBY TO ABSORB THE WATER VAPOR AND TO CONDENSE SAID OIL, ALLOW-
Claim 2
Independent Claim
51 words
A METHOD FOR RECOVERING A VOLATILE FLAVORING OIL FROM A GASEOUS MATERIAL CONTAINING SAID OIL AND WATER VAPOR WHICH COMPRISES CONTACTING SAID GASEOUS MATERIAL WITH A REFRIGERATED HYGROSCOPIC AQUEOUS SOLUTION OF AN INORGANIC ELECTROLYTE IMMISCIBLE WITH THE FLAVORING OIL WHEREBY TO ABSORB THE WATER VAPOR AND TO CONDENSE SAID OIL, ALLOW-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-02 | 1959-07-04 | 1960-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-02 | 1963-07-04 | 1964-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-02 | 1967-07-04 | 1968-01-03 | $7700.00 | Window Closed / Lapsed |