US2902393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Isolating caramel coloring compounds from caramelized sugars
Assignee: Union Starch and Refining Co
•
Filing: 1956-06-25
•
Granted: 1959-09-01
•
Expires: 1976-06-25
Abstract
No abstract record available.
Inventors
- 👤 Meyer Alvin Leroy
- 👤 James E Cleland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:24
CPC Classifications
A; A23; A23G; A23G3/00; A23G3/32; Y; Y10; Y10S; Y10S127/00; Y10S127/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN A PROCESS FOR MAKING PURE CARAMEL COLOR COMPOUNDS THE STEPS COMPRISING, CARAMELIZING A SUGAR COMPOSITION, PRECIPITATING THE DISPERSED PHASE OF COLOR POLYMERS FROM THE COMPOSITION BY ADDING SAID COMPOSITION TO ALCOHOLIC DEHYDRATING AGENT WHEREBY A MIXTURE CONSISING OF TWO LIQUID PHASES IS PRODUCED, A LIGHTER PHASE CONTAINING SUBSTANTIALLY ALL OF THE UNCARAMELIZED SUGARS AND A HEAVIER PHASE CONTAINING ALMOST ALL OF THE COLOR BODIES, SEPARATING THE TWO LIQUID PHASES OF SAID MIXTURE INTO A LIGHTER FRACTION AND A HEAVIER FRACTION BY THEIR DENSITY DIFFERENCE, REDISPERSING THE HEAVIER FRACTION CONTAINING THE DENATURED COLOR BODIES IN WATER IN THE PROPORTION OF ABOUT 55 TO 120 PARTS BY VOLUME OF WATER TO 100 PARTS BY VOLUME OF SAID HEAVIER FRACTION AND EVAPORATING RESIDUAL ALCOHOL FROM AND CONCENTRATING THE RESULTANT DISPERSION UNDER A VACUUM AT A TEMPERATURE BELOW 150* F.
Claim 2
Dependent Claim
137 words
IN A PROCESS FOR MAKING PURE CARAMEL COLOR COMPOUNDS THE STEPS COMPRISING, CARAMELIZING A SUGAR COMPOSITION, PRECIPITATING THE DISPERSED PHASE OF COLOR POLYMERS FROM THE COMPOSITION BY ADDING SAID COMPOSITION TO ALCOHOLIC DEHYDRATING AGENT WHEREBY A MIXTURE CONSISING OF TWO LIQUID PHASES IS PRODUCED, A LIGHTER PHASE CONTAINING SUBSTANTIALLY ALL OF THE UNCARAMELIZED SUGARS AND A HEAVIER PHASE CONTAINING ALMOST ALL OF THE COLOR BODIES, SEPARATING THE TWO LIQUID PHASES OF SAID MIXTURE INTO A LIGHTER FRACTION AND A HEAVIER FRACTION BY THEIR DENSITY DIFFERENCE, REDISPERSING THE HEAVIER FRACTION CONTAINING THE DENATURED COLOR BODIES IN WATER IN THE PROPORTION OF ABOUT 55 TO 120 PARTS BY VOLUME OF WATER TO 100 PARTS BY VOLUME OF SAID HEAVIER FRACTION AND EVAPORATING RESIDUAL ALCOHOL FROM AND CONCENTRATING THE RESULTANT DISPERSION UNDER A VACUUM AT A TEMPERATURE BELOW 150* F.
References Cited (Backward Citations)
US2533221A
Cited
US2637655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |