US2946687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making vodka
Assignee: —
•
Filing: —
•
Granted: 1960-07-26
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Expires: 1977-07-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:35
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/70; A23L2/80; C; C02; C02F; C02F1/00; C02F1/28; C02F1/283; C02F1/66; C07; C07C; C07C31/00; C07C31/02; C07C31/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A METHOD OF TREATING A MIXTURE OF ETHANOL AND WATER, WHICH CONSISTS IN FLOWING SAID MIXTURE THROUGH A BED OF PIECES OF CHARCOAL WHICH HAVE ADSORBED CARBON DIOXIDE AND WHICH ALSO HAVE CALCIUM OXIDE, REACTING SAID CALCIUM OXIDE WITH SAID WATER WITHIN SAID BED TO FORM CALCIUM HYDROXIDE WHICH IS DISSOLVED IN SAID WATER WITHIN SAID BED? ALSO DISSOLVING SOME OF SAID ADSORBED CARBON DIOXIDE IN SAID WATER WITHIN SAID BED TO FORM CARBONIC ACID WITHIN SAID BED, AND REACTING SAID DISSOLVED CALCIUM HYDROXIDE WITH SAID CARBONIC ACID WITHIN SAID BED TO FORM CALCIUM CARBONATE WITHIN SAID BED.
Claim 2
Independent Claim
98 words
A METHOD OF TREATING A MIXTURE OF ETHANOL AND WATER, WHICH CONSISTS IN FLOWING SAID MIXTURE THROUGH A BED OF PIECES OF CHARCOAL WHICH HAVE ADSORBED CARBON DIOXIDE AND WHICH ALSO HAVE CALCIUM OXIDE, REACTING SAID CALCIUM OXIDE WITH SAID WATER WITHIN SAID BED TO FORM CALCIUM HYDROXIDE WHICH IS DISSOLVED IN SAID WATER WITHIN SAID BED? ALSO DISSOLVING SOME OF SAID ADSORBED CARBON DIOXIDE IN SAID WATER WITHIN SAID BED TO FORM CARBONIC ACID WITHIN SAID BED, AND REACTING SAID DISSOLVED CALCIUM HYDROXIDE WITH SAID CARBONIC ACID WITHIN SAID BED TO FORM CALCIUM CARBONATE WITHIN SAID BED.
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) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |