Patent US3689362A successfully refreshed from Google Patents.
US3689362A
Expired / Lapsed
US
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Enzymatic method for manufacture of fructose
Assignee: National Institute of Advanced Industrial Science and Technology
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Filing: 1970-11-23
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Granted: 1972-09-05
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Expires: 1990-11-23
Abstract
Abstract A METHOD IN AN ENZYMATIC REACTION FOR THE ISOMERIZATION OF GLUCOSE INTO FRUCTOSE, FOR THE MANUFACTURE OF FRUCTOSE FROM GLUCOSE OR GLUCOSE CONTAINING SOLUTION WHICH COMPRISES EFFECTING THE REACTION IN THE PRESENCE OF A BORATE COMPOUND.
Inventors
- 👤 Yoshiyuki Takasaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:05
CPC Classifications
C; C12; C12P; C12P19/00; C12P19/24
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) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |