US3281367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid detergent compositions
Assignee: Lever Brothers Co
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Filing: 1961-04-03
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Granted: 1966-10-25
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Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 Thomas Gwilym Jones
- 👤 David William Stephens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:47
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/02; C11D3/12; C11D3/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
198 words
A STABILIZED LIQUID ABRASIVE DETERGENT COMPOSITION WHICH CONSISTS ESSENTIALLY OF, BY WEIGHT OF THE TOTAL COMPOSITION, FROM ABOUT 35% TO ABOUT 95% OF AN AQUEOUS MEDIUM AND FROM ABOUT 65% TO 5% OF A FINELY-DIVIDED WATER-SOLUBLE ABRASIVE MATERIAL HAVING A SIZE SMALLER THAN ABOUT 104 MICRONS, SAID AQUEOUS MEDIUM CONSISTING ESSENTIALLY OF WATER AND, BY WEIGHT OF THE TOTAL WEIGHT OF THE AQUEOUS MEDIUM: FROM ABOUT 2% TO ABOUT 45% OF A WATER-SOLUBLE NON-ACIDIC SALT OF A PHOSPHORIC ACID HAVING A MOLECULAR WEIGHT BELOW 400; FROM ABOUT 1% TO ABOUT 10% OF A FATTY ACID ALKANOLAMINE SELECTED FROM THE GROUP CONSISTING OF THE MONETHANOLAMIDES, DIETHANOLAMIDES, ISOPROPANOLAMIDES, GLYCEROLAMIDES AND TIS-(HYDROXYMETHYL)-METHYLAMIDES OF FATTY ACIDS HAVING FROM ABOUT 8 O ABOUT 18 CARBON ATOMS IN THE MOLECULE; FROM ABOUT 3% TO ABOUT 8% OF A WATER-SOLUBLE SYNTHETIC ORGANIC ANIONIC NON-SOAP DETERGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM ALKYLARYL SULFONATES, ALKYL SOLUFATES, AND ACYLAMINOALKANE SULFONATES; AND FROM ABOUT 0% TO ABOUT 5% OF A WATER-SOLUBLE SOAP SELECTTED FROM THE GROUP CONSISTING OF THE SODIUM AND POTASSIUM SOAPS DERIVED FROM TALLOW, PALM OIL, COCONUT OIL AND GROUNDMUT OIL, SAID FINELY-DIVIDED MATERIAL BEING HELD IN STABLE SUSPENSION BY THE AQUEOUS MEDIUM.
References Cited (Backward Citations)
GB190414401A
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US2047320A
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US2164810A
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US2892795A
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US2920045A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |