Patent US3414520A successfully refreshed from Google Patents.
US3414520A
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Detergent composition
Assignee: Lever Brothers Co
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Filing: 1965-04-21
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Granted: 1968-12-03
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Expires: 1985-04-21
Abstract
No abstract record available.
Inventors
- 👤 Mcdonnell Francis Robe Maxwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:50
CPC Classifications
C; C11; C11D; C11D10/00; C11D10/04; C11D10/042; C11D1/00; C11D1/02; C11D1/12; C11D1/29; C11D17/00; C11D17/06; C11D9/00; C11D9/04; C11D9/06; C11D9/08; C11D9/10; C11D9/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A SPRAY-DRIED SOAP POWDER HAVING A REDUCED TENDENCY TO FORM SCUM WHEN USED IN HARD WATER AND A REDUCED TENDENCY TO FORM SURFACE CLOTS WHEN ADDED TO WATER, SAID POWDER CONSISTING ESSENTIALLY OF BY WEIGHT OF THE POWDER: FROM 30 TO 60% OF SOAP; FROM 2.5 TO 20% OF SODIUM TRIPOLYPHOSPHATE; FROM 1 TO 10% OF A NEUTRALISED SULPHATION PRODUCT OF AND ETHYLENE OXIDE ADDUCT, CONTAINING A POLYETHYLENE OXIDE CHAIN OF UP TO 20 ETHYLENE OXIDE UNITS, OF A C-10**-22 ALIPHATIC ALCOHOL WHERE THE NEUTRALISING CATION IS AN ALKALI-METAL, AMMONIUM OR SUBSTITUTED AMMONIUM ION.
Claim 2
Dependent Claim
94 words
A SPRAY-DRIED SOAP POWDER HAVING A REDUCED TENDENCY TO FORM SCUM WHEN USED IN HARD WATER AND A REDUCED TENDENCY TO FORM SURFACE CLOTS WHEN ADDED TO WATER, SAID POWDER CONSISTING ESSENTIALLY OF BY WEIGHT OF THE POWDER: FROM 30 TO 60% OF SOAP; FROM 2.5 TO 20% OF SODIUM TRIPOLYPHOSPHATE; FROM 1 TO 10% OF A NEUTRALISED SULPHATION PRODUCT OF AND ETHYLENE OXIDE ADDUCT, CONTAINING A POLYETHYLENE OXIDE CHAIN OF UP TO 20 ETHYLENE OXIDE UNITS, OF A C-10**-22 ALIPHATIC ALCOHOL WHERE THE NEUTRALISING CATION IS AN ALKALI-METAL, AMMONIUM OR SUBSTITUTED AMMONIUM ION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |