US2859117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of alcoholic liquors
Assignee: Millennium Petrochemicals Inc
•
Filing: 1956-10-26
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Granted: 1958-11-04
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Expires: 1976-10-26
Abstract
No abstract record available.
Inventors
- 👤 Braus Harry
- 👤 Schott Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:40
CPC Classifications
C; C12; C12G; C12G3/00; C12G3/04; C12G3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A PROCESS FOR TREATING AGED DISTILLED ALCOHOLIC LIQUOR WHICH COMPRISES CONTACTING SAID LIQUOR WITH CARBON WHEREBY CONGENERIC AND FLAVOR-PRODUCING PRECURSOR MATERIAL ARE ADSORBED ON SAID CARBON, SEPARATING THE RESULTING FILTER CAKE FROM SUPERNATANT LIQUOR, EXTRACTING THE ADSORBED MATERIAL FROM THE FILTER WITH A SOLVENT SELECTED FROM THE GROUP CONSISTING OF ALCOHOL AND ETHERS, DISTILLING THE SOLVENT FROM SAID EXTRACT, RECOVERING A CRUDE FLAVOR RESIDUE, ESTERIFYING SAID CRUDE FLAVOR RESIDUE IN THE PRESENCE OF AN ALCOHOL AND AN ESTERIFICATION CATALYST,
Claim 2
Dependent Claim
79 words
A PROCESS FOR TREATING AGED DISTILLED ALCOHOLIC LIQUOR WHICH COMPRISES CONTACTING SAID LIQUOR WITH CARBON WHEREBY CONGENERIC AND FLAVOR-PRODUCING PRECURSOR MATERIAL ARE ADSORBED ON SAID CARBON, SEPARATING THE RESULTING FILTER CAKE FROM SUPERNATANT LIQUOR, EXTRACTING THE ADSORBED MATERIAL FROM THE FILTER WITH A SOLVENT SELECTED FROM THE GROUP CONSISTING OF ALCOHOL AND ETHERS, DISTILLING THE SOLVENT FROM SAID EXTRACT, RECOVERING A CRUDE FLAVOR RESIDUE, ESTERIFYING SAID CRUDE FLAVOR RESIDUE IN THE PRESENCE OF AN ALCOHOL AND AN ESTERIFICATION CATALYST,
References Cited (Backward Citations)
US969332A
Cited
US2571948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |