US4442285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for separating glucose from fructose by selective adsorption
Assignee: Honeywell UOP LLC
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Filing: 1982-05-04
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Granted: 1984-04-10
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Expires: 2002-05-04
Abstract
Abstract A process for separating a glucose from a feed mixture comprising glucose and fructose which process comprises contacting the mixture with an adsorbent comprising an X zeolite containing potassium cations at the exchangeable cationic sites thereby selectively adsorbing glucose from the feed mixture and thereafter recovering the glucose. Preferably the glucose will be recovered by desorption from the adsorbent with a desorbent material.
Inventors
- 👤 Richard W. Neuzil
- 👤 James W. Priegnitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:19
CPC Classifications
C; C13; C13K; C13K3/00; C07; C07H; C07H1/00; C07H1/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
81 words
A process for the recovery of glucose from a mixture thereof with fructose which comprises contacting a mixture containing glucose and fructose, at a temperature in the range of from 20° C. to 200° C. and a pressure in the range of from atmospheric to 500 psig, with an X zeolite containing potassium cations at exchangeable cationic sites and selectively adsorbing glucose in said zeolite to separate the same from unadsorbed fructose, and thereafter removing the adsorbed glucose from the zeolite.
Claim 2
Dependent Claim
81 words
A process for the recovery of glucose from a mixture thereof with fructose which comprises contacting a mixture containing glucose and fructose, at a temperature in the range of from 20° C. to 200° C. and a pressure in the range of from atmospheric to 500 psig, with an X zeolite containing potassium cations at exchangeable cationic sites and selectively adsorbing glucose in said zeolite to separate the same from unadsorbed fructose, and thereafter removing the adsorbed glucose from the zeolite.
Claim 3
Dependent Claim
16 words
The process of claim 1 further characterized in that it is effected in the liquid phase.
Claim 4
Dependent Claim
20 words
The process of claim 1 further characterized in that said glucose is recovered from said zeolite by desorption with water.
References Cited (Backward Citations)
US4014711A
Cited
US4358322A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-04-10 | 1987-10-10 | 1988-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-04-10 | 1991-10-10 | 1992-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-04-10 | 1995-10-10 | 1996-04-10 | $7700.00 | Window Closed / Lapsed |