US2879165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Purification of aqueous ethyl alcohol for use in beverages
Assignee: Distillers Co Yeast Ltd
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Filing: 1956-01-19
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Granted: 1959-03-24
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Expires: 1976-01-19
Abstract
No abstract record available.
Inventors
- 👤 Frank J Hendel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:29
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/001; B01D3/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A PROCESS FOR THE TREATMENT OF AQUEOUS ETHYL ALCOHOL OBTAINED BY FERMENTATION, DISTILLATION AND RECTIFICATION PROCESSES, AND CONTAINING SMALL QUANTITIES OF IMPURITIES ADVERSELY AFFECTING AROMA AND TASTE OF THE ALCOHOLIC BEVERAGES, WHICH COMPRISES FLOWING A GAS COUNTERCURRENTLY TO A STREAM OF THE SAID AQUEOUS ALCOHOL AT SUBSTANTIALLY ATMOSPHERIC TEMPERATURES OF ABOUT 75*F. AND AT SUBSTANTIALLY ATMOSPHERIC PRESSURES, PASSING THEN SAID GAS CONTAINING A SUBSTANTIAL AMOUNT OF VAPORS OF ETHYL ALCOHOL, OF WATER AND OF THE SAID IMPURITIES THROUGH AN ADSORPTION BED CONSISTING OF DRY SOLID PARTICLES, AND RECIRCULATING THE SAID GAS NOW SUBSTANTIALLY FREE FROM THE SAID IMPURITIES DUE TO BEING ADSORBED IN THE SAID ADSORPTION BED FOR
Claim 2
Dependent Claim
108 words
A PROCESS FOR THE TREATMENT OF AQUEOUS ETHYL ALCOHOL OBTAINED BY FERMENTATION, DISTILLATION AND RECTIFICATION PROCESSES, AND CONTAINING SMALL QUANTITIES OF IMPURITIES ADVERSELY AFFECTING AROMA AND TASTE OF THE ALCOHOLIC BEVERAGES, WHICH COMPRISES FLOWING A GAS COUNTERCURRENTLY TO A STREAM OF THE SAID AQUEOUS ALCOHOL AT SUBSTANTIALLY ATMOSPHERIC TEMPERATURES OF ABOUT 75*F. AND AT SUBSTANTIALLY ATMOSPHERIC PRESSURES, PASSING THEN SAID GAS CONTAINING A SUBSTANTIAL AMOUNT OF VAPORS OF ETHYL ALCOHOL, OF WATER AND OF THE SAID IMPURITIES THROUGH AN ADSORPTION BED CONSISTING OF DRY SOLID PARTICLES, AND RECIRCULATING THE SAID GAS NOW SUBSTANTIALLY FREE FROM THE SAID IMPURITIES DUE TO BEING ADSORBED IN THE SAID ADSORPTION BED FOR
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) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |