US3684573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agglomerated anhydrous fructose and process for its production
Assignee: Roche Diagnostics GmbH
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Filing: 1970-02-10
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Granted: 1972-08-15
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Expires: 1990-02-10
Abstract
Abstract AGGLOMERATED ANHYDROUS FRUCTOSE WHICH IS QUICK DISSOLVING YET NON-HYGROSCOPIC, COMPRISING RELATIVELY COARSE PARTICLES IN TURN COMPOSED OF AGGLOMERATED FINER PARTICLES, IS PRODUCED BY MOISTENING FINE FRUCTOSE CRYSTALS OBTAINED CONVENTIONALLY BY RECRYSTALLIZATION WITH FROM 3 TO 10 WEIGHT PERCENT, BASED ON THE WEIGHT OF FRUCTOSE, OF A 1 TO 4 CARBON ATOM ALCOHOL AND WITH FROM .03 TO 1.5 PERCENT BY WEIGHT OF WATER, BASED ON THE WEIGHT OF FRUCTOSE, AND DRYING THE MOISTENED FRUCTOSE AT FROM 40 TO 90*C.
Inventors
- 👤 Hans Voigt
- 👤 Georg Stoeck
- 👤 Werner Gosewinkel
- 👤 Theodor Kusch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:47
CPC Classifications
C; C13; C13K; C13K11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |