US3018281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing surface-active agents from sucrose
Assignee: Ecolab Inc
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Filing: 1959-04-27
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Granted: 1962-01-23
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Expires: 1979-04-27
Abstract
No abstract record available.
Inventors
- 👤 Samuel B Crecelius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:20
CPC Classifications
C; C07; C07H; C07H15/00; C07H15/02; C07H15/04; C07H15/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
THE PROCESS OF PRODUCING A SURFACE ACTIVE COMPOUND FROM SUCROSE, WHICH COMPRISES REACTING ONE MOL OF SUCROSE DISSOLVED IN WATER WITH FROM THREE TO EIGHT MOLS OF AN EPOXIDE SELECTED FROM THE GROUP CONSISTING OF BUTYLENE OXIDE AND PROPYLENE OXIDE AT A TEMPERATURE OF FROM 75*C. TO 80*C. AND REACTING THE RESULTING PRODUCT WITH ABOUT ONE MOL OF DODECENE OXIDE AT TEMPERATURES OF FROM 100*C. TO 110*C. AND THEREBY PRODUCING A WATER SOLUBLE SURFACTANT COMPOUND.
Claim 2
Dependent Claim
75 words
THE PROCESS OF PRODUCING A SURFACE ACTIVE COMPOUND FROM SUCROSE, WHICH COMPRISES REACTING ONE MOL OF SUCROSE DISSOLVED IN WATER WITH FROM THREE TO EIGHT MOLS OF AN EPOXIDE SELECTED FROM THE GROUP CONSISTING OF BUTYLENE OXIDE AND PROPYLENE OXIDE AT A TEMPERATURE OF FROM 75*C. TO 80*C. AND REACTING THE RESULTING PRODUCT WITH ABOUT ONE MOL OF DODECENE OXIDE AT TEMPERATURES OF FROM 100*C. TO 110*C. AND THEREBY PRODUCING A WATER SOLUBLE SURFACTANT COMPOUND.
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) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |