US2774693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for purifying sugar juices by liming and carbonation
Assignee: Danske Sukkerfabrikker AS
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Filing: 1951-03-21
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Granted: 1956-12-18
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Expires: 1971-03-21
Abstract
No abstract record available.
Inventors
- 👤 Brieghel-Muller Arne Vigand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:22
CPC Classifications
C; C13; C13B; C13B20/00; C13B20/02; C13B20/04; C13B20/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A METHOD FOR THE PURIFICATION OF SUGAR JUICE BY LIMING AND CARBONATION, COMPRISING THE STEPS OF STABLILIZING THE SUGAR JUICE BY THE ADDITION THERETO OF A LIMING REAGENT, THE ALKALINITY OF WHICH DOES NOT EXCEED 0.25 GRAM CAO PER 100 ML., TO AN ALKALINITY ABOVE 0.00 GRAM CAO PER 100 ML. BUT NOT EXCEEDING 0.05 GRAM CAO PER 100 ML., LIMING THE JUICE THUS STABILIZED BY THE ADDITION OF A LIMING REAGENT, SUBJECTING THE JUICE THUS LIMED TO CARBONATION IN A PRIMARY SATURATION STAGE TO AN ALKALINITY OF BELOW 0.1 GRAM CAO PER 100 ML., SEPARATING PRECIPITATES FORMED BY SAID CARBONATION FROM THE JUICE, FURTHER LIMING THE THUS SEPARATED JUICE BY THE ADDITION OF A LIMING REAGENT SUBJECTING THE THUS FURTHER LIMED JUICE TO CARBONATION IN A SECONDARY SATURATION STAGE TO AN ALKALINITY OF ABOUT 0.08 GRAM CAO PER 100 ML., AND SUBJECTING THE THUS CARBONATED JUICE TO A FURTHER CARBONATION TO AN ALKALINITY OF ABOUT 0.02 GRAM CAO PER 100 ML.
Claim 2
Independent Claim
162 words
A METHOD FOR THE PURIFICATION OF SUGAR JUICE BY LIMING AND CARBONATION, COMPRISING THE STEPS OF STABLILIZING THE SUGAR JUICE BY THE ADDITION THERETO OF A LIMING REAGENT, THE ALKALINITY OF WHICH DOES NOT EXCEED 0.25 GRAM CAO PER 100 ML., TO AN ALKALINITY ABOVE 0.00 GRAM CAO PER 100 ML. BUT NOT EXCEEDING 0.05 GRAM CAO PER 100 ML., LIMING THE JUICE THUS STABILIZED BY THE ADDITION OF A LIMING REAGENT, SUBJECTING THE JUICE THUS LIMED TO CARBONATION IN A PRIMARY SATURATION STAGE TO AN ALKALINITY OF BELOW 0.1 GRAM CAO PER 100 ML., SEPARATING PRECIPITATES FORMED BY SAID CARBONATION FROM THE JUICE, FURTHER LIMING THE THUS SEPARATED JUICE BY THE ADDITION OF A LIMING REAGENT SUBJECTING THE THUS FURTHER LIMED JUICE TO CARBONATION IN A SECONDARY SATURATION STAGE TO AN ALKALINITY OF ABOUT 0.08 GRAM CAO PER 100 ML., AND SUBJECTING THE THUS CARBONATED JUICE TO A FURTHER CARBONATION TO AN ALKALINITY OF ABOUT 0.02 GRAM CAO PER 100 ML.
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) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |