US2582261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Caramel color manufacture
Assignee: Union Starch and Refining Co
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Filing: 1950-01-13
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Granted: 1952-01-15
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Expires: 1970-01-13
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Longenecker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:02
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
104 words
THE PROCESS OF PRODUCING A NEW CARAMEL COLOR OF HIGH ACID STABILITY WHICH COMPRISES PRETREATING A CARBOHYDRATE SYRUP WHICH HAS A REDUCING SUGAR CONTENT CALCULATED AS DEXTROSE OF 60 TO 100% BY ACIDIFYING THE SAID SYRUP TO A PH OF 0.2-4.0 AND HEATING THE ACIDIFIED SYRUP TO A TEMPERATURE OF 200 TO 250* F. FOR A PERIOD OF 1/4 TO 2 HOURS TO SUBSTANTIALLY DECREASE THE REDUCING SUGAR CONTENT, ADDING AN ALKALINE REAGENT SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND AMMONIUM COMPOUNDS TO INCREASED THE PH TO 3 TO 7.5 AND CARAMELIZING THE RESULTING SYRUP WHILE MAINTAINING THE ACIDITY THEREOF ABOVE PH 2.0.
Claim 2
Dependent Claim
104 words
THE PROCESS OF PRODUCING A NEW CARAMEL COLOR OF HIGH ACID STABILITY WHICH COMPRISES PRETREATING A CARBOHYDRATE SYRUP WHICH HAS A REDUCING SUGAR CONTENT CALCULATED AS DEXTROSE OF 60 TO 100% BY ACIDIFYING THE SAID SYRUP TO A PH OF 0.2-4.0 AND HEATING THE ACIDIFIED SYRUP TO A TEMPERATURE OF 200 TO 250* F. FOR A PERIOD OF 1/4 TO 2 HOURS TO SUBSTANTIALLY DECREASE THE REDUCING SUGAR CONTENT, ADDING AN ALKALINE REAGENT SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND AMMONIUM COMPOUNDS TO INCREASED THE PH TO 3 TO 7.5 AND CARAMELIZING THE RESULTING SYRUP WHILE MAINTAINING THE ACIDITY THEREOF ABOVE PH 2.0.
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) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |