US2749371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenation of monosaccharides
Assignee: Atlas Powder Co
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Filing: 1952-04-03
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Granted: 1956-06-05
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Expires: 1972-04-03
Abstract
No abstract record available.
Inventors
- 👤 Kasehagen Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:32
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/06; A; A23; A23G; A23G3/00; A23G3/34; A23G3/346; A23L; A23L29/00; A23L29/03; A23L29/035; A24; A24B; A24B15/00; A24B15/18; A24B15/28; A24B15/30; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/60; A61Q; A61Q19/00; C; C07; C07C; C07C31/00; C07C31/18; C07C31/26; A23G2200/00; A61Q11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
THE PROCESS OF PREPARING A NON GELLING, NON-CRYSTALLIZING HIGH VISCOSITY POLYOL COMPOSITION WHICH COMPRISES INTRODUCING A MONOSACCHARIDE CONTAINING FROM 5 TO 6 CARBON ATOMS AND A HYDROXIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL HYDROXIDES INTO WATER TO FORM A MIXTURE CONTAINING FROM 40 TO 70% BY WEIGHT OF MONOSACCHARIDE AND FROM 0.15 TO 0.4 HYDROXYL EQUIVALENTS OF SAID HYDROXIDE PER LITER; HEATING THE RESULTING MIXTURE TO A TEMPERATURE OF FROM 40* C. TO 80* C.; MAINTAINING THE MIXTURE AT THE SAID TEMPERATURE FOR A TIME CORRESPONDING TO A TIME-TEMPERATURE POINT WITHIN THE POLYGON ABCDE OF THE DRAWING; ADJUSTING THE PH OF THE RESULTING SOLUTION TO A VALUE OF FROM 7 TO 5.0; AND HYDROGENATING THE RESULTING SOLUTION
Claim 2
Dependent Claim
123 words
THE PROCESS OF PREPARING A NON GELLING, NON-CRYSTALLIZING HIGH VISCOSITY POLYOL COMPOSITION WHICH COMPRISES INTRODUCING A MONOSACCHARIDE CONTAINING FROM 5 TO 6 CARBON ATOMS AND A HYDROXIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL AND ALKALINE EARTH METAL HYDROXIDES INTO WATER TO FORM A MIXTURE CONTAINING FROM 40 TO 70% BY WEIGHT OF MONOSACCHARIDE AND FROM 0.15 TO 0.4 HYDROXYL EQUIVALENTS OF SAID HYDROXIDE PER LITER; HEATING THE RESULTING MIXTURE TO A TEMPERATURE OF FROM 40* C. TO 80* C.; MAINTAINING THE MIXTURE AT THE SAID TEMPERATURE FOR A TIME CORRESPONDING TO A TIME-TEMPERATURE POINT WITHIN THE POLYGON ABCDE OF THE DRAWING; ADJUSTING THE PH OF THE RESULTING SOLUTION TO A VALUE OF FROM 7 TO 5.0; AND HYDROGENATING THE RESULTING SOLUTION
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) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |