US3290263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of reacting sugars with reagents wherein the sugar is dissolved in monohydric alcohols containing grouping
Assignee: Colonial Sugar Refining Co Ltd
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Filing: 1965-09-08
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Granted: 1966-12-06
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Expires: 1985-09-08
Abstract
No abstract record available.
Inventors
- 👤 Bruce M Smythe
- 👤 Clarence J Moye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:19
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/40; C07D307/42; C07D307/04; C07D307/10; C07D307/12; C07D307/18; C07D307/20; C07D307/46; C07H; C07H15/00; C07H15/02; C07H15/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
73 words
A PROCESS FOR CARRYING OUT REACTIONS INVOLVING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SUGARS AND SUGAR DERIVATIVES, SAID PROCESS CONSISTING OF DISSOLVING SAID MATERIAL AT TEMPERATURES BETWEEN 50 DEGREES CENTIGRADE AND 200 DEGREES CENTIGRADE IN A SUBSTANTIALLY ANHYDROUS WATER-MISCIBLE HIGH-BOILING MONOHYDRIC ALCOHOL CONTAINING THE STRUCTURAL GROUPING -O-C(<)-C(<)-OH AND THEREAFTER REACTING THE RESULTANT SOLUTION WITH A REAGENT WHICH REACTS WITH SAID MATERIAL AT TEMPERATURES BETWEEN 0 DEGREES CENTIGRADE AND 200 DEGREES CENTIGRADE.
Claim 2
Dependent Claim
73 words
A PROCESS FOR CARRYING OUT REACTIONS INVOLVING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF SUGARS AND SUGAR DERIVATIVES, SAID PROCESS CONSISTING OF DISSOLVING SAID MATERIAL AT TEMPERATURES BETWEEN 50 DEGREES CENTIGRADE AND 200 DEGREES CENTIGRADE IN A SUBSTANTIALLY ANHYDROUS WATER-MISCIBLE HIGH-BOILING MONOHYDRIC ALCOHOL CONTAINING THE STRUCTURAL GROUPING -O-C(<)-C(<)-OH AND THEREAFTER REACTING THE RESULTANT SOLUTION WITH A REAGENT WHICH REACTS WITH SAID MATERIAL AT TEMPERATURES BETWEEN 0 DEGREES CENTIGRADE AND 200 DEGREES CENTIGRADE.
Claim 3
Dependent Claim
63 words
A PROCESS FOR THE PREPARATION OF SUCROSE/PHENOLFORMALDEHYDE RESIN CONSISTING OF REACTING SODIUM WITH PHENOL DISSOLVED IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROFURFURYL ALCOHOL AND DIETHYLENE GLYCOL MONOMETHYL ETHER, ADDING THERETO WITH STIRRING AT ELEVATED TEMPERATURE AN INTIMATE MIXTURE OF SUCROSE AND PARAFORMALDEHYDE, ACIDIFYING THE REACTION MIXTURE, EXTRACTING THE PRECIPITATE WITH ETHER, EVAPORATING ETHER FROM THE EXTRACT AND SOLIDIFYING THE RESIDUE
Claim 4
Dependent Claim
63 words
A PROCESS FOR THE PREPARATION OF SUCROSE/PHENOLFORMALDEHYDE RESIN CONSISTING OF REACTING SODIUM WITH PHENOL DISSOLVED IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF TETRAHYDROFURFURYL ALCOHOL AND DIETHYLENE GLYCOL MONOMETHYL ETHER, ADDING THERETO WITH STIRRING AT ELEVATED TEMPERATURE AN INTIMATE MIXTURE OF SUCROSE AND PARAFORMALDEHYDE, ACIDIFYING THE REACTION MIXTURE, EXTRACTING THE PRECIPITATE WITH ETHER, EVAPORATING ETHER FROM THE EXTRACT AND SOLIDIFYING THE RESIDUE
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |