US3704105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing overbased barium sulfonates and their use in diesel fuels
Assignee: Ethyl Corp
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Filing: 1968-09-16
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Granted: 1972-11-28
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Expires: 1988-09-16
Abstract
Abstract A PROCESS FOR PREPARING OVERBASED BARIUM OLEFIN DERIVED SULFONATES IS DESCRIBED. THEIR USE AS SMOKE REDUCING ADDITIVES IN DISTILLATE FUELS IS ALSO DISCLOSED.
Inventors
- 👤 Warren L Perilstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:44
CPC Classifications
C; C10; C10L; C10L10/00; C10L10/02; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2431; C10L1/2437
Claims Analysis
Total Claims: 0
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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) | 1975-11-28 | 1976-05-29 | 1976-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-11-28 | 1980-05-29 | 1980-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-11-28 | 1984-05-29 | 1984-11-28 | $7700.00 | Window Closed / Lapsed |