Patent US3565809A successfully refreshed from Google Patents.
US3565809A
Expired / Lapsed
US
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Alpha olefin sulfonate detergent compositions
Assignee: Chevron USA Inc
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Filing: 1967-11-27
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Granted: 1971-02-23
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Expires: 1987-11-27
Abstract
Abstract HIGH PERFORMANCE DETERGENT COMPOSITIONS CONSIST OF STRAIGHT-CHAIN OLEFIN SULFONATES, AN ALKALI METAL OR AMMONIUM GROUP PENTAVALENT PHOSPHORIC ACID SALT AND AN ALKZANOL-1.
Inventors
- 👤 Samuel H Sharman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:39
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/2003; C11D3/2006; C11D3/201; C11D3/2013; C11D1/00; C11D1/02; C11D1/12; C11D1/14; C11D1/143; C11D3/02; C11D3/04; C11D3/06
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |