US3174876A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for separating sugars
Assignee: Individual
•
Filing: 1963-03-06
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Granted: 1965-03-23
•
Expires: 1983-03-06
Abstract
No abstract record available.
Inventors
- 👤 John B Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:13
CPC Classifications
C; C13; C13B; C13B20/00; C13B20/14; C13B20/148; C13K; C13K13/00; C13K13/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A PROCESS FOR SEPARATING SUCROSE FROM MONOSACCHARIDES WHICH COMPRISES APPLYING TO AN ION EXCHANGE RESIN IN THE ALKALI METAL SALT FORM AN AQUEOUS SOLUTION CONTAINING SUCROSE AND A MONOSACCHARIDE IN A GIVEN SUCROSE/MONOSACCHARIDE RATIO, SUBSTANTIALLY IMMEDIATELY WASHING THE ION EXCHANGE RESIN, COLLECTING A FIRST PORTION OF THE EFFLUENT HAVING AN INCREASED SUCROSE/MONOSACCHARIDE RATIO, AND COLLECTING A SECOND PORTION OF THE EFFLUENT HAVING A DECREASED SUCROSE/MONOSACCHARIDE RATIO.
Claim 2
Dependent Claim
66 words
A PROCESS FOR SEPARATING SUCROSE FROM MONOSACCHARIDES WHICH COMPRISES APPLYING TO AN ION EXCHANGE RESIN IN THE ALKALI METAL SALT FORM AN AQUEOUS SOLUTION CONTAINING SUCROSE AND A MONOSACCHARIDE IN A GIVEN SUCROSE/MONOSACCHARIDE RATIO, SUBSTANTIALLY IMMEDIATELY WASHING THE ION EXCHANGE RESIN, COLLECTING A FIRST PORTION OF THE EFFLUENT HAVING AN INCREASED SUCROSE/MONOSACCHARIDE RATIO, AND COLLECTING A SECOND PORTION OF THE EFFLUENT HAVING A DECREASED SUCROSE/MONOSACCHARIDE RATIO.
References Cited (Backward Citations)
GB731335A
Cited
US3044905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |