US3708437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-olefin sulfonate for liquid detergents
Assignee: Chevron USA Inc
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Filing: 1969-12-04
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Granted: 1973-01-02
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Expires: 1989-12-04
Abstract
Abstract DETERGENT ACTIVE MATERIALS HAVING LOW CLOUD POINTS IN AQUEOUS SOLUTIONS OF INORGANIC SALTS, THE AXTIVE MATERIALS COMPRISING OLEFIN SULFONATES OF SUBSTANTIALLY LINEAR MONOOLEFIN OF 10 TO 24 CARBON ATOMS AND IN WHICH AT LEAST 40 PERECENT BY WEIGHT OF THE SULFONATES ARE 2-OLEFIN SULFONATES.
Inventors
- 👤 W Sweeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:05
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/143; C11D3/00; C11D3/02; C11D3/04; C11D3/046
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) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |