Patent US3749676A successfully refreshed from Google Patents.
US3749676A
Expired / Lapsed
US
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Detergent compositions
Assignee: Monsanto Co
•
Filing: 1971-11-17
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Granted: 1973-07-31
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Expires: 1991-11-17
Abstract
Abstract FORMULATIONS COMPRISING A SURFACTANT IN COMBINATION WITH DIALKALI METAL KETOMALONATE ARE EFFECTIVE DETERGENT COMPOSITIONS.
Inventors
- 👤 M Crutchfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:45
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/20; C11D3/2075; C11D3/2082
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) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |