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US3759846A
Expired / Lapsed
US
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Detergent composition
Assignee: Lever Brothers Co
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Filing: 1971-03-03
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Granted: 1973-09-18
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Expires: 1991-03-03
Abstract
Abstract A FABRIC-WASHING DETERGENT POWDER HAVING SUPERIOR FABRIC-SOFTENING PROPERTIES, IMPARTED BY THE PRESENCE IN THE COMPOSITION OF A WATER-INSOLUBLE SOAP IN A VERY FINELYDIVIDED FORM, IS DISCLOSED. A PROCESS FOR THE MANUFACTURE OF THE COMPOSITION, IN WHICH THE WATER-INSOLUBLE SOAP IS FORMED IN SITU IN A SLURRY IN THE PRESENCE OF A DISPERSING AGENT PRIOR TO SPRAY-DRYING, IS ALSO DISCLOSED.
Inventors
- 👤 Donald Robb D Mac
- 👤 J Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:28
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/001; C11D9/00; C11D9/002
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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |