US2759857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for purifying molasses and crystallizing sugar therefrom
Assignee: Corbion NV
•
Filing: 1953-11-04
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Granted: 1956-08-21
•
Expires: 1973-11-04
Abstract
No abstract record available.
Inventors
- 👤 Jacob Van Julsingha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:11
CPC Classifications
C; C13; C13B; C13B35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
PROCESS OF RECOVERING SUGAR FROM MOLASSES WHICH COMPRISES MIXING 1 PART BY WEIGHT OF MOLASSES WITH FROM 0.6 TO 2 PARTS BY WEIGHT OF METHYL ALCOHOL AND AN ACID WHOSE SALTS WITH THE CATIONS PRESENT IN THE MOLASSES ARE SUBSTANTIALLY INSOLUBLE IN THE MIXTURE OF MOLASSES AND METHYL ALCOHOL IN QUANTITY SUFFICIENT TO GIVE THE MIXTURE A PH VALUE WITHIN THE RANGE FFROM ABOUT 1 TO 5 AT A TEMPERATURE WITHIN THE RANGE FROM ROOM TEMPERATURE TO ABOUT 80*, SEPARATING THE LIQUID AND SOLID PHASES OF THE RESULTING MIXTURE AND CRYSTALLIZING SUGAR FROM THE SEPARATED LIQUID PHASE.
Claim 2
Dependent Claim
97 words
PROCESS OF RECOVERING SUGAR FROM MOLASSES WHICH COMPRISES MIXING 1 PART BY WEIGHT OF MOLASSES WITH FROM 0.6 TO 2 PARTS BY WEIGHT OF METHYL ALCOHOL AND AN ACID WHOSE SALTS WITH THE CATIONS PRESENT IN THE MOLASSES ARE SUBSTANTIALLY INSOLUBLE IN THE MIXTURE OF MOLASSES AND METHYL ALCOHOL IN QUANTITY SUFFICIENT TO GIVE THE MIXTURE A PH VALUE WITHIN THE RANGE FFROM ABOUT 1 TO 5 AT A TEMPERATURE WITHIN THE RANGE FROM ROOM TEMPERATURE TO ABOUT 80*, SEPARATING THE LIQUID AND SOLID PHASES OF THE RESULTING MIXTURE AND CRYSTALLIZING SUGAR FROM THE SEPARATED LIQUID PHASE.
References Cited (Backward Citations)
US345810A
Cited
US1776819A
Cited
US2000202A
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US2130029A
Cited
US2109503A
Cited
US2442804A
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US2501914A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-21 | 1960-02-20 | 1960-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-21 | 1964-02-20 | 1964-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-21 | 1968-02-20 | 1968-08-21 | $7700.00 | Window Closed / Lapsed |