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US3281367A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid detergent compositions

Assignee: Lever Brothers Co
•
Filing: 1961-04-03
•
Granted: 1966-10-25
•
Expires: 1981-04-03
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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 Cited
US2047320A Cited
US2164810A Cited
US2892795A Cited
US2920045A Cited
US2945815A Cited

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

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