US3198784A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing sucrose benzoates
Assignee: VEISICOL CHEMICAL Corp
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Filing: 1962-07-25
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Granted: 1965-08-03
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Expires: 1982-07-25
Abstract
No abstract record available.
Inventors
- 👤 Richard W Griscom
- 👤 Raymond W Ingwalson
- 👤 Jr Howard F Reeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:51
CPC Classifications
C; C07; C07H; C07H13/00; C07H13/02; C07H13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A PROCESS OF PRODUCING SUCROSE BENZOATE COMPRISING THE STEPS OF DISSOLVING BENZOYL CHLORIDE IN A MUTUAL SOLVENT FOR BENZOYL CHLORIDE AND SUCROSE BENZOATE SELECTED FROM THE GROUP CONSISTING OF BENZENE, TOLUENE, XYLENE, ETHYL BENZENE, CHLOROBENZENE, CHLOROTOLUENE, METHYLENE DICHLORIDE, CHLOROFORM, CARBON TETRACHLORIDE, TETRACHLOROETHYLENE, DIETHYL ETHER, AND DI-ISOPROPYL ETHER, DISSOLVING SUCROSE IN WATER TO FORM AN AQUEOUS SUCROSE SOLUTION, MIXING THE BENZOYL CHLORIDE SOLUTION AND SUCROSE BENZOATE SOLUTION IN A REACTION ZONE IN SUCH PROPORTIONS THAT THE RATIO OF BENZOYL CHLORIDE TO SUCROSE IS BETWEEN SIX AND TEN MOLES OF BENZOYL CHLORIDE TO ONE MOLE OF SUCROSE, AGITATING THE TWO SOLUTIONS, REACTING AN ALKALI SELECTED FROM THE GROUP CONSISTING OF POTASSIUM AND SODIUM HYDROXIDE WITH SAID SOLUTIONS WHILE AGITATING THE SAME AND MAINTAINING THE TEMPERATURE OF THE SOLUTIONS AT BETWEEN -10*C. AND 50*C.
Claim 2
Dependent Claim
131 words
A PROCESS OF PRODUCING SUCROSE BENZOATE COMPRISING THE STEPS OF DISSOLVING BENZOYL CHLORIDE IN A MUTUAL SOLVENT FOR BENZOYL CHLORIDE AND SUCROSE BENZOATE SELECTED FROM THE GROUP CONSISTING OF BENZENE, TOLUENE, XYLENE, ETHYL BENZENE, CHLOROBENZENE, CHLOROTOLUENE, METHYLENE DICHLORIDE, CHLOROFORM, CARBON TETRACHLORIDE, TETRACHLOROETHYLENE, DIETHYL ETHER, AND DI-ISOPROPYL ETHER, DISSOLVING SUCROSE IN WATER TO FORM AN AQUEOUS SUCROSE SOLUTION, MIXING THE BENZOYL CHLORIDE SOLUTION AND SUCROSE BENZOATE SOLUTION IN A REACTION ZONE IN SUCH PROPORTIONS THAT THE RATIO OF BENZOYL CHLORIDE TO SUCROSE IS BETWEEN SIX AND TEN MOLES OF BENZOYL CHLORIDE TO ONE MOLE OF SUCROSE, AGITATING THE TWO SOLUTIONS, REACTING AN ALKALI SELECTED FROM THE GROUP CONSISTING OF POTASSIUM AND SODIUM HYDROXIDE WITH SAID SOLUTIONS WHILE AGITATING THE SAME AND MAINTAINING THE TEMPERATURE OF THE SOLUTIONS AT BETWEEN -10*C. AND 50*C.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |