US3817787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for separating monosaccharides from mixtures including di-, and higher saccharides
Assignee: SUOMEN SOKERI OSAKEYHTIO SF
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Filing: 1972-01-26
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Granted: 1974-06-18
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Expires: 1992-01-26
Abstract
Abstract MONOSACCHARIDES ARE SEPARATED FROM SACCHARIDE MIXTURES INCLUDING DI-, TRI-, AND OLIGOSACCHARIDES BY A PROCESS WHICH INCLUDES THE STEP OF ION EXCLUSION UTILIZING ALKALI METAL AND ALKALINE EARTH METAL SALTS OF POLYSTYRENE SULFONATE CATION EXCHANGER RESINS CROSS-COUPLED WITH DI-VINYL BENZENE USING A COLUMN HEIGHT OF FROM ABOUT 2.5 TO ABOUT 5 METERS. D R A W I N G
Inventors
- 👤 Hertzen E Von
- 👤 C Aminoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:03
CPC Classifications
C; C13; C13K; C13K13/00; C13K13/007
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) | 1977-06-17 | 1977-12-17 | 1978-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-17 | 1981-12-17 | 1982-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-17 | 1985-12-17 | 1986-06-18 | $7700.00 | Window Closed / Lapsed |