US2831013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfo-esters of alcohols bearing a hydrophilic substituent
Assignee: Universal Oil Products Co
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Filing: 1953-12-30
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Granted: 1958-04-15
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Expires: 1973-12-30
Abstract
No abstract record available.
Inventors
- 👤 Mark Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:53
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/63; C07C309/64; C07C309/65; C07C309/72; C07C309/73
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DODECYL-(SODIUM SULFOETHOXY)-SULFONE, SODIUM DODECYLTOLYL-(POLYOXYETHYLENE-W-SULFATO) - SULFONE CONTAINING AN AVERAGE OF FROM ABOUT 13 TO ABOUT 15 OXYETHYLENE UNITS IN THE POLYOXYETHYLENE RADICAL, W-(N-DIETHANOLAMINO)ETHOXY - DODECYLSULFONE, DODECYL-(N-DI-(W-HYDROXY-POLYOXYETHYLENE,)-AMINO-ETHOXYSULFONE CONTAINING AN AVERAGE OF FROM ABOUT 8 TO ABOUT 12 OXYETHYLENE UNITS PER POLYOXYALKYLENE CHAIN, AND DIETHANOL-AMINOETHOXY-DODECYLPHENYLSULFONE.
Claim 2
Dependent Claim
51 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF DODECYL-(SODIUM SULFOETHOXY)-SULFONE, SODIUM DODECYLTOLYL-(POLYOXYETHYLENE-W-SULFATO) - SULFONE CONTAINING AN AVERAGE OF FROM ABOUT 13 TO ABOUT 15 OXYETHYLENE UNITS IN THE POLYOXYETHYLENE RADICAL, W-(N-DIETHANOLAMINO)ETHOXY - DODECYLSULFONE, DODECYL-(N-DI-(W-HYDROXY-POLYOXYETHYLENE,)-AMINO-ETHOXYSULFONE CONTAINING AN AVERAGE OF FROM ABOUT 8 TO ABOUT 12 OXYETHYLENE UNITS PER POLYOXYALKYLENE CHAIN, AND DIETHANOL-AMINOETHOXY-DODECYLPHENYLSULFONE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |