US2594440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invert sirup process
Assignee: Refined Syrups and Sugars Inc
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Filing: 1949-03-03
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Granted: 1952-04-29
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Expires: 1969-03-03
Abstract
No abstract record available.
Inventors
- 👤 Mary F Hughes
- 👤 Medford A Mccalip
- 👤 Howard S Paine
- 👤 Rosenberg Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:21
CPC Classifications
C; C13; C13B; C13B20/00; C13B20/14; C13K; C13K3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS OF PREPARING A CLEAR SUBSTANTIALLY WATER-WHITE DEMINERALIZED SYRUP CONTAINING SUCROSE AND INVERT SUGAR WHICH COMPRISES SUBJECTING A HIGH DENSITY SUGAR LIQUOR TO CLARIFICATION AND CARBON DECOLORIZING, THEREAFTER PASSING SUCH LIQUOR AT AN ELEVATED TEMPERATURE THROUGH AN ACID REGENERATED CATION EXCHANGER TO CONVERT SALTS THEREIN TO ACIDS AND TO INVERT SUCROSE, COOLING THE LIQUOR THUS OBTAINED, AND PASSING THE COOLED LIQUID THROUGH AN ANION EXCHANGER TO REMOVE FREE ACIDS.
Claim 2
Dependent Claim
70 words
A PROCESS OF PREPARING A CLEAR SUBSTANTIALLY WATER-WHITE DEMINERALIZED SYRUP CONTAINING SUCROSE AND INVERT SUGAR WHICH COMPRISES SUBJECTING A HIGH DENSITY SUGAR LIQUOR TO CLARIFICATION AND CARBON DECOLORIZING, THEREAFTER PASSING SUCH LIQUOR AT AN ELEVATED TEMPERATURE THROUGH AN ACID REGENERATED CATION EXCHANGER TO CONVERT SALTS THEREIN TO ACIDS AND TO INVERT SUCROSE, COOLING THE LIQUOR THUS OBTAINED, AND PASSING THE COOLED LIQUID THROUGH AN ANION EXCHANGER TO REMOVE FREE ACIDS.
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) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |