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US2877186A Expired / Lapsed US ⏱️ 0.0 years remaining

Liquid detergent composition

Assignee: Procter and Gamble Co
•
Filing: 1956-06-29
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Granted: 1959-03-10
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Expires: 1976-06-29
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Abstract

Abstract A single-phase liquid detergent composition comprises (a) 6-14% by weight of one or more alkali-metal alkyl glyceryl ether sulphonates in which the alkyl radical is at least 50% derived from alcohols of 10-14 carbon atoms, (b) 12% to the solubility limit of potassium pyro- or tripoly-phosphate or both, (c) 3.5-6% of sodium silicate solids with a SiO2:Na2O ratio of 1.6-2.6, (d) 2-6% of ethanol, isopropanol or diethylene glycol monobutyl ether, or mixtures thereof, (e) 3-8% of an anionic solubilizer, and (f) 40-73.5% of water. If desired, (e) may be omitted so that a twophase composition results in which case the amount of water (f) will be 40-76.5%. Component (a) is preferably a sodium or potassium salt in which the alkyl groups are derived from coconut or oxo alcohols; the sulphonate mixture usually includes a proportion of diglyceryl radicals. Component (e), if of straight chain configuration, is a phosphate containing 1-3 straight hydrocarbon chains, each having up to 5 carbon atoms; if of cyclic configuration, (e) is a sulphonate in which the hydrocarbon portion of the molecule contains either a benzene ring or an alkyl-substituted benzene group of up to 8 carbon atoms. Suitable solubilizers are triamyl phosphate and sodium benzene or xylene sulphonates, but sodium toluene sulphonate is preferred. Amorphous silica, bentonite-type clays, tarnish inhibitors, colouring material, perfume, and inorganic salts may also be incorporated. Specification 848,225 and U.S.A. Specification 2,618,607 are referred to.

Inventors

  • 👤 William C Krumrei

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 23:24
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/0008; C11D17/0017; C11D1/00; C11D1/02; C11D1/12; C11D1/16; C11D3/00; C11D3/02; C11D3/04; C11D3/06; C11D3/16; C11D3/34; C11D3/3418; C11D3/36; C11D3/362

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 196 words
A SINGLE PHASE LIQUID HEAVY DUTY DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF, IN PARTS BY WEIGHT, FROMK 6 TO 14 PARTS OF SALT OF ALKYL GLYCERYL ETHER SULFONATE OF WHICH THE CATION IS AN ALKYL METAL, AT LEAST 50% OF THE ALKYL GROUPS OF THE SAID ALKYL GLYCERYL ETHER SULFONATE BEING DERIVED FROM ALCOHOLS HAVING FROM 10 TO 14 CARBON ATOMS, FROM A MINIMUM OF 12 PARTS TO A MAXIMUM OF THE LIMIT OF SOLUBILITY AT ROOM TEMPERATURE OF A PHOSPHATE SELECTED FROM THE GROUP CONSISTING OF POTASSIUM PYROPHOSPHATE, POTASSIUM TRIPOLYPHOSPHATE AND MIXTURES THEREOF, 3.5 TO 6 PARTS OF SODIUM SILICATE HAVING A SIO2/NA2O RATIO OF 1.6:1 TO 2.6:1, 3 TO 8 PARTS OF AN ANIONIC SOLUBILIZER SELECTED FROM THE GROUP CONSISTING OF TRIALKYL PHOSPHATES, WHEREIN EACH OF THE ALKYL GROUPS CONTAINS NOT MORE THAN 5 CARBON ATOMS; THE ALKALI METAL SALTS OF BENZENE SULFONATE, THE ALKALI METAL SALTS OF TOLUENE SULFONATE AND THE ALKALI METAL SALTS OF XYLENE SULFONATE, 2 TO 6 PARTS OF AN ASSISTANT SOLUBILIZER SELECTED FROM THE GROUP CONSISTING OF EHTYL ALCOHOL, ISOPROPYL ALCOHOL AND DIETHYLENE GLYCOL MONOBUTYL ETHER, AND NOT LESS THAN 40 PARTS AND NOT MORE THAN 75 PARTS OF WATER.
Claim 2
Dependent Claim 196 words
A SINGLE PHASE LIQUID HEAVY DUTY DETERGENT COMPOSITION CONSISTING ESSENTIALLY OF, IN PARTS BY WEIGHT, FROMK 6 TO 14 PARTS OF SALT OF ALKYL GLYCERYL ETHER SULFONATE OF WHICH THE CATION IS AN ALKYL METAL, AT LEAST 50% OF THE ALKYL GROUPS OF THE SAID ALKYL GLYCERYL ETHER SULFONATE BEING DERIVED FROM ALCOHOLS HAVING FROM 10 TO 14 CARBON ATOMS, FROM A MINIMUM OF 12 PARTS TO A MAXIMUM OF THE LIMIT OF SOLUBILITY AT ROOM TEMPERATURE OF A PHOSPHATE SELECTED FROM THE GROUP CONSISTING OF POTASSIUM PYROPHOSPHATE, POTASSIUM TRIPOLYPHOSPHATE AND MIXTURES THEREOF, 3.5 TO 6 PARTS OF SODIUM SILICATE HAVING A SIO2/NA2O RATIO OF 1.6:1 TO 2.6:1, 3 TO 8 PARTS OF AN ANIONIC SOLUBILIZER SELECTED FROM THE GROUP CONSISTING OF TRIALKYL PHOSPHATES, WHEREIN EACH OF THE ALKYL GROUPS CONTAINS NOT MORE THAN 5 CARBON ATOMS; THE ALKALI METAL SALTS OF BENZENE SULFONATE, THE ALKALI METAL SALTS OF TOLUENE SULFONATE AND THE ALKALI METAL SALTS OF XYLENE SULFONATE, 2 TO 6 PARTS OF AN ASSISTANT SOLUBILIZER SELECTED FROM THE GROUP CONSISTING OF EHTYL ALCOHOL, ISOPROPYL ALCOHOL AND DIETHYLENE GLYCOL MONOBUTYL ETHER, AND NOT LESS THAN 40 PARTS AND NOT MORE THAN 75 PARTS OF WATER.

References Cited (Backward Citations)

US2581677A Cited
US2618607A Cited
GB424596A Cited
US2607740A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-03-09 1962-09-08 1963-03-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-03-09 1966-09-08 1967-03-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-03-09 1970-09-08 1971-03-10 $7700.00 Window Closed / Lapsed

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