US3717590A - Liquid water-soluble detergent compositions - Google Patents

Liquid water-soluble detergent compositions Download PDF

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US3717590A
US3717590A US00099317A US3717590DA US3717590A US 3717590 A US3717590 A US 3717590A US 00099317 A US00099317 A US 00099317A US 3717590D A US3717590D A US 3717590DA US 3717590 A US3717590 A US 3717590A
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parts
detergent composition
water
alkali metal
naptha
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US00099317A
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R Fetty
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    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/43—Solvents
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/22—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds
    • C11D1/24—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aromatic compounds containing ester or ether groups directly attached to the nucleus
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/72—Ethers of polyoxyalkylene glycols
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/66—Non-ionic compounds
    • C11D1/83—Mixtures of non-ionic with anionic compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/06—Phosphates, including polyphosphates

Definitions

  • This invention relates to water-soluble detergent compositions and more particularly to liquid detergent compositions suitable for use as cleaning agents for cleaning automobile engines and similar applications.
  • Another object is to provide a detergent composition that adheres to vertical surfaces to be cleaned, thereby providing a more thorough cleaning of the object to which it is applied and avoiding additional subsequent applications of the detergent.
  • Another object is to provide a detergent composition that does not dry out or evaporate after application to the surface of the object or objects to be cleaned.
  • Liquid, water-soluble detergents comprise, as the major components thereof, anionic and non-ionic surfactants together with water and organic solvents.
  • the resulting liquid is clear and somewhat viscous.
  • the compositions comprise alkali metal salts of dodecylated oxydibenzene disulfonate an octylphenol or nonylphenol having from 6 to moles of ethylene oxide as an adduct, alkali metal silicate, alkali metal pyrophosphate, tall oil fatty acid having 18 carbon atoms, naptha and water, all in selected proportions.
  • compositions of the present invention are most suitable for cleaning the surfaces of automobile engines, automobile engine compartments, transmissions, power lawn mowers and the like, the preceding instances being merely descriptive and by no means exhaustive of the application of the compositions of the present invention. Indeed, one skilled in the art will immediately appreciate the several and varied applications to which the compositions of the present invention may be applied. For facility of discussion, however, the present invention will be described in the context of cleaning an automobile engine, it being understood that the compositions have several other applications.
  • compositions of the present invention are nonflammable. This is always an important consideration when dealing with an engine that burns gasoline or other highly combustible fluid. Care must be taken that the potential for explosion is not increased.
  • This valuable property also provides for the application of the composition to the surface to be treated in a discreet spray, as for example from a container pressurized by an air compressor or in self-contained aerosol cans pressurized by a compressed halogenated hydrocarbon such as Freon l2 and the like.
  • a spray application rapidly places the composition in contact with the various irregular surfaces to be cleaned thereby reducing cleaning time.
  • the compositions of the present invention can be applied directly as with a brush or cloth.
  • compositions of the present invention Painted and other finishes such as chrome, stainless steel and rubber are not adversely affected by the application of the compositions of the present invention.
  • the compositions may be applied to the area to be cleaned without fear of damaging adjacent materials, as with the auto fenders, firewall and chrome trim.
  • the liquid detergents of the present invention are also useful as a dressing for rubber surfaces, protecting the same from deterioration and attack by the elements.
  • the compositions are easily removed fromthe surface to which they are applied by the use of water pressure.
  • a suitable source of water pressure is a garden hose or the like. In addition to its convenience. the resulting pressure helps to dislodge grease and dissolved solids and remove them from the area to be cleaned.
  • the amount of time the liquid detergent must be in contact with the area to be cleaned depends, of course, on several factors, such as the size of the area to be cleaned, the amount and nature of the grease and dirt deposits thereon and the concentration of the liquid detergent applied. Times as short as 30minutes and as long as 24 hours may be used; however, it is preferred that the amount of contact time be at least about minutes.
  • liquid detergents of the present invention Another attractive property of liquid detergents of the present invention is their capacity not to dry out or evaporate after application. Thus it is not necessary to remove the detergent immediately after application but it can be allowed to remain on the surface to be cleaned for a period of time until it is convenient to apply water pressure and remove the detergent and grease.
  • an anionic surface active agent of the sulfonate type namely alkali metal salts of dodecylated oxydibenzene disulfonate.
  • the sodium salt is preferred and is available from Dow Chemical Co. as Dowfax 2A1 having a specific gravity at 20 C. of 1.164 and the following general formula:
  • a non-ionic surfactant octylphenol and nonylphenols are used having from about 6 to about moles of ethylene oxide adduct.
  • the preferred phenyl is nonylphenol 9-moles ethylene oxide adduct, commercially sold as 9N9 by the Thompson-Hayward Chemical Co.
  • Alkali metal silicates and alkali metal pyrophosphates are readily available in commerce.
  • Preferred are sodium ortho silicate and tetra potassium pyrophosphate.
  • a tall oil fatty acid having 18 carbon atoms, monoand diunsaturated are mainly oleic and linoleic acids, available as Pamak 4A from Hercules (Ihemical Co. having the following properties:
  • fatty acid 95.2 rosin acids, 3.0 unsaponifiables, 1.8 acid number 193 iodine number 132 Naptha is employed as an organic solvent; heavy aromatic naptha is preferred.
  • Water is used to bring the solution to final volume while distilled and deionized water are suitable, for the sake of convenience and economy tap water is preferred.
  • the preferred formulation according to the present invention is as follows:
  • Pamak 4A (tall oil fatty acids, primarily oleic and linoleic acids, 107 lbs) is dissolved in heavy aromatic naptha (160 lbs) with agitation. The resulting liquid is solution 2.
  • a liquid, water-soluble detergent composition for removing grease and oil deposits from the outside surface of an object coated therewith said composition consisting essentially of, in parts by weight:
  • alkali metal pyrophosphate about 91 parts
  • a detergent composition as claimed in claim 1 wherein said oxydibenzene is the sodium salt of dodecylated oxydibenzene disulfonate.
  • a liquid, watensoluble detergent composition for removing grease and oil deposits from the outside surface of an object coated therewith said composition consisting essentially of, in part by weight:
  • alkali metal salts of dodecylated oxydibenzene disulfonate about 70 parts
  • alkali metal pyrophosphate about 91 parts

Abstract

Liquid water-soluble detergent compositions having improved adhesion to vertical surfaces without the tendency to evaporate yet are easily removed with water pressure are disclosed. The compositions are useful in removing grease and oil from the surfaces of automobile engines and compartments.

Description

United States Patent 1 Fetty 51 Feb. 20, 1973 [54] LIQUID WATER-SOLUBLE DETERGENT COMPOSITIONS [76] Inventor: Robert L. Fetty, 753 31st Avenue,
Columbus, Nebr. 68601 [22] Filed: Dec. 17, 1970 21 Appl. No.: 99,317
[52] US. Cl. ..252/540, 252/122, 252/126, 252/127, 252/139, 252/166, 252/170,
[51] Int. Cl. ..Clld 3/065 [58] Field of Search ..252/539, 540, 558, 559, 139, 252/122, 126, 127, 166,170
[56] References Cited UNITED STATES PATENTS 3,248,335 4/1966 Teot et al. .1252/161 Primary Examiner-Leon D. Rosdol Assistant ExaminerI-Iarris A. Pitlick AttorneyCushman, Darby & Cushman [57] ABSTRACT Liquid water-soluble detergent compositions having improved adhesion to vertical surfaces without the tendency to evaporate yet are easily removed with water pressure are disclosed. The compositions are useful in removing grease and oil from the surfaces of automobile engines and compartments.
8 Claims, N0 Drawings LIQUID WATER-SOLUBLE DETERGENT COMPOSITIONS This invention relates to water-soluble detergent compositions and more particularly to liquid detergent compositions suitable for use as cleaning agents for cleaning automobile engines and similar applications.
BACKGROUND OF THE INVENTION Detergents per se and cleaning agents in general are well known in the art. See, for instance, the following U. S. Pats. disclosing various combinations of detergents and diluents: Nos. 3,328,309; 3,240,713; 3,210,287 and 3,037,936. Heretofore a water-soluble detergent composition having the properties of adhering to vertical surfaces coated with grease and freedom from rapid evaporation from the surface to which the detergent composition has been applied has not been known.
Therefore, it is an object of the present invention to provide a detergent composition for the removal of grease, road film and other resinous deposits from a metal surface that is water-soluble, non-flammable yet is easily removed from the surfaces to which it has been applied, the removal by the use of water pressure.
Another object is to provide a detergent composition that adheres to vertical surfaces to be cleaned, thereby providing a more thorough cleaning of the object to which it is applied and avoiding additional subsequent applications of the detergent.
Another object is to provide a detergent composition that does not dry out or evaporate after application to the surface of the object or objects to be cleaned.
Still further objects and the entire scope applicability of the present invention will become apparent from the detailed description given hereinafter; it should be understood, however, that the detailed description and specific example, while indicating preferred embodiments of the invention, are given by way of illustration only, since various changes and modifications within the spirit and scope of the invention will become apparent to those skilled in the art from this detailed description.
DETAILED DESCRIPTION Liquid, water-soluble detergents comprise, as the major components thereof, anionic and non-ionic surfactants together with water and organic solvents. The resulting liquid is clear and somewhat viscous. The compositions comprise alkali metal salts of dodecylated oxydibenzene disulfonate an octylphenol or nonylphenol having from 6 to moles of ethylene oxide as an adduct, alkali metal silicate, alkali metal pyrophosphate, tall oil fatty acid having 18 carbon atoms, naptha and water, all in selected proportions.
Water-soluble liquid detergents are disclosed that, when applied to a vertical surface, adhere to the vertical surface to which it is applied, even when the surface is heavily covered with grease and road dirt. The compositions of the present invention are most suitable for cleaning the surfaces of automobile engines, automobile engine compartments, transmissions, power lawn mowers and the like, the preceding instances being merely descriptive and by no means exhaustive of the application of the compositions of the present invention. Indeed, one skilled in the art will immediately appreciate the several and varied applications to which the compositions of the present invention may be applied. For facility of discussion, however, the present invention will be described in the context of cleaning an automobile engine, it being understood that the compositions have several other applications.
The compositions of the present invention are nonflammable. This is always an important consideration when dealing with an engine that burns gasoline or other highly combustible fluid. Care must be taken that the potential for explosion is not increased. This valuable property also provides for the application of the composition to the surface to be treated in a discreet spray, as for example from a container pressurized by an air compressor or in self-contained aerosol cans pressurized by a compressed halogenated hydrocarbon such as Freon l2 and the like. A spray application rapidly places the composition in contact with the various irregular surfaces to be cleaned thereby reducing cleaning time. Of course, the compositions of the present invention can be applied directly as with a brush or cloth.
Painted and other finishes such as chrome, stainless steel and rubber are not adversely affected by the application of the compositions of the present invention. Thus the compositions may be applied to the area to be cleaned without fear of damaging adjacent materials, as with the auto fenders, firewall and chrome trim. In this regard it should be noted that the liquid detergents of the present invention are also useful as a dressing for rubber surfaces, protecting the same from deterioration and attack by the elements. Moreover, due to their solubility in water, the compositions are easily removed fromthe surface to which they are applied by the use of water pressure. A suitable source of water pressure is a garden hose or the like. In addition to its convenience. the resulting pressure helps to dislodge grease and dissolved solids and remove them from the area to be cleaned.
The amount of time the liquid detergent must be in contact with the area to be cleaned depends, of course, on several factors, such as the size of the area to be cleaned, the amount and nature of the grease and dirt deposits thereon and the concentration of the liquid detergent applied. Times as short as 30minutes and as long as 24 hours may be used; however, it is preferred that the amount of contact time be at least about minutes.
Another attractive property of liquid detergents of the present invention is their capacity not to dry out or evaporate after application. Thus it is not necessary to remove the detergent immediately after application but it can be allowed to remain on the surface to be cleaned for a period of time until it is convenient to apply water pressure and remove the detergent and grease.
As a surfactant for the composition of the present invention there is selected an anionic surface active agent of the sulfonate type, namely alkali metal salts of dodecylated oxydibenzene disulfonate. The sodium salt is preferred and is available from Dow Chemical Co. as Dowfax 2A1 having a specific gravity at 20 C. of 1.164 and the following general formula:
SOaNa S0;Na
As ,a non-ionic surfactant octylphenol and nonylphenols are used having from about 6 to about moles of ethylene oxide adduct. The preferred phenyl is nonylphenol 9-moles ethylene oxide adduct, commercially sold as 9N9 by the Thompson-Hayward Chemical Co.
Alkali metal silicates and alkali metal pyrophosphates, particularly the sodium and potassium salts, are readily available in commerce. Preferred are sodium ortho silicate and tetra potassium pyrophosphate.
In the non-aqueous portion of the composition there is used a tall oil fatty acid having 18 carbon atoms, monoand diunsaturated. These are mainly oleic and linoleic acids, available as Pamak 4A from Hercules (Ihemical Co. having the following properties:
fatty acid, 95.2 rosin acids, 3.0 unsaponifiables, 1.8 acid number 193 iodine number 132 Naptha is employed as an organic solvent; heavy aromatic naptha is preferred. Water is used to bring the solution to final volume while distilled and deionized water are suitable, for the sake of convenience and economy tap water is preferred.
Unless otherwise indicated, all parts and percentages are by weight.
The preferred formulation according to the present invention is as follows:
Parts dodecylated oxydibenzene disolfonate, sodium salt 70 nonylphenol-9 moles ethylene oxide adduct 14 sodium orthosilicate l4 tetra potassium pyrophosphate 91 tall oil, l8 carbon fatty acids 107 heavy aromatic naptha I60 water 666 Total parts 1 l22 EXAMPLE Sodium ortho silicate, (14 lbs) is dissolved in water (666 lbs, 80 gallons) at 220 F. with agitation until the resulting solution is clear. To the clear aqueous solution tetra potassium pyrophosphate (91 lbs.) was added. Then Dowfax 2A1 (sodium salt of dodecylated oxydibenzene disulfonate, 70 lbs) and 9N9 (nonylphenol 9 moles of ethylene adduct, 14 lbs) were added. The resulting aqueous solution, solution 1, is retained.
Pamak 4A (tall oil fatty acids, primarily oleic and linoleic acids, 107 lbs) is dissolved in heavy aromatic naptha (160 lbs) with agitation. The resulting liquid is solution 2.
The composition prepared according to the Example motor compartment area by water pressure using a common garden hose. Grease and road film were removed from the coated surfaces leaving the engine substantially clean. It was found that the water-soluble detergent composition of the present invention is nonflammable, not harmful to painted surfaces or rubber and did not dry out or evaporate after application to the engine. It was easily removed by water pressure.
What is claimed is:
l. A liquid, water-soluble detergent composition for removing grease and oil deposits from the outside surface of an object coated therewith, said composition consisting essentially of, in parts by weight:
a. alkali metal salts of dodecylated oxydibenzene disulfonate, about parts,
b. a nonylphenol having as an adduct from 6 to 15 moles of ethylene oxide, about 14 parts,
c. alkali metal silicate, about 14 parts,
d. alkali metal pyrophosphate, about 91 parts,
e. water, about 666 parts,
f. tall oil fatty acid, about 107 parts, and
g. naptha, about parts.
2. A detergent composition as claimed in claim 1 wherein said oxydibenzene is the sodium salt of dodecylated oxydibenzene disulfonate.
3. A detergent composition as claimed in claim I wherein said nonylphenol has 9 moles of ethylene oxide as an adduct.
4. A detergent composition as claimed in claim 1 wherein said silicate is an orthosilicate.
5. A detergent composition as claimed in claim 1 wherein said pyrophosphate is tetra potassium pyrophosphate.
6. A detergent composition as claimed in claim 1 wherein said tall oil is a straight chain fatty acid having 18 carbon atoms.
7. A detergent composition as claimed in claim 1 wherein said naptha is heavy aromatic naptha.
8. A liquid, watensoluble detergent composition for removing grease and oil deposits from the outside surface of an object coated therewith, said composition consisting essentially of, in part by weight:
a. alkali metal salts of dodecylated oxydibenzene disulfonate, about 70 parts,
b. an octylphenol having as an adduct from 6 to 15 moles of ethylene oxide, about 14 parts,
c. alkali metal silicate,'about 14 parts,
d. alkali metal pyrophosphate, about 91 parts,
e. water, about 666 parts,
f. tall oil fatty acid, about 107 parts, and
g. naptha, about 160 parts.

Claims (7)

1. A liquid, water-soluble detergent composition for removing grease and oil deposits from the outside surface of an object coated therewith, said composition consisting essentially of, in parts by weight: a. alkali metal salts of dodecylated oxydibenzene disulfonate, about 70 parts, b. a nonylphenol having as an adduct from 6 to 15 moles of ethylene oxide, about 14 parts, c. alkali metal silicate, about 14 parts, d. alkali metal pyrophosphate, about 91 parts, e. water, about 666 parts, f. tall oil fatty acid, about 107 parts, and g. naptha, about 160 parts.
2. A detergent composition as claimed in claim 1 wherein said oxydibenzene is the sodium salt of dodecylated oxydibenzene disulfonate.
3. A detergent composition as claimed in claim 1 wherein said nonylphenol has 9 moles of ethylene oxide as an adduct.
4. A detergent composition as claimed in claim 1 wherein said silicate is an orthosilicate.
5. A detergent composition as claimed in claim 1 wherein said pyrophosphate is tetra potassium pyrophosphate.
6. A detergent composition as claimed in claim 1 wherein said tall oil is a straight chain fatty acid having 18 carbon atoms.
7. A detergent composition as claimed in claim 1 wherein said naptha is heavy aromatic naptha.
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4302365A (en) * 1980-02-11 1981-11-24 American Grease Stick Company Engine degreaser composition
EP0177430A2 (en) * 1984-10-05 1986-04-09 Gould Paper Corporation Towel premoistened with antistatic solution for cleaning cathode-ray tubes and the like
US5362422A (en) * 1993-05-03 1994-11-08 The Procter & Gamble Company Liquid hard surface detergent compositions containing amphoteric detergent surfactant and specific anionic surfactant
US5391316A (en) * 1992-03-06 1995-02-21 Lever Brothers Company, Division Of Conopco, Inc. Low-foaming, liquid cleaning compositions containing paraffin and fatty acid salt
WO1997006229A1 (en) * 1995-08-08 1997-02-20 Henkel Corporation Metal cleaning composition and process that do not damage plastic
US5824163A (en) * 1997-02-28 1998-10-20 Henkel Corporation Metal cleaning process that does not damage plastic
US5932020A (en) * 1995-08-08 1999-08-03 Henkel Corporation Metal cleaning composition and process that do not damage plastic

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US2901433A (en) * 1953-07-17 1959-08-25 Pennsalt Chemicals Corp Cleaning composition
US2952637A (en) * 1958-04-29 1960-09-13 Bray Oil Co Carburetor and engine cleaning composition
US2990375A (en) * 1957-07-22 1961-06-27 Dow Chemical Co Heavy duty liquid detergent compositions
US3002883A (en) * 1959-07-29 1961-10-03 Dow Chemical Co Disinfectant compositions
US3245914A (en) * 1959-09-28 1966-04-12 Dow Chemical Co Germicidal alkylhalodiphenyl oxide sulfonate compositions
US3248335A (en) * 1965-04-01 1966-04-26 Dow Chemical Co Detergent composition for hard surfaces
US3285858A (en) * 1964-08-07 1966-11-15 Diamond Alkali Co Dry cleaning solvent
US3538006A (en) * 1966-07-27 1970-11-03 Witco Chemical Corp Emulsion cleaner

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2901433A (en) * 1953-07-17 1959-08-25 Pennsalt Chemicals Corp Cleaning composition
US2990375A (en) * 1957-07-22 1961-06-27 Dow Chemical Co Heavy duty liquid detergent compositions
US2952637A (en) * 1958-04-29 1960-09-13 Bray Oil Co Carburetor and engine cleaning composition
US3002883A (en) * 1959-07-29 1961-10-03 Dow Chemical Co Disinfectant compositions
US3245914A (en) * 1959-09-28 1966-04-12 Dow Chemical Co Germicidal alkylhalodiphenyl oxide sulfonate compositions
US3285858A (en) * 1964-08-07 1966-11-15 Diamond Alkali Co Dry cleaning solvent
US3248335A (en) * 1965-04-01 1966-04-26 Dow Chemical Co Detergent composition for hard surfaces
US3538006A (en) * 1966-07-27 1970-11-03 Witco Chemical Corp Emulsion cleaner

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4302365A (en) * 1980-02-11 1981-11-24 American Grease Stick Company Engine degreaser composition
EP0177430A2 (en) * 1984-10-05 1986-04-09 Gould Paper Corporation Towel premoistened with antistatic solution for cleaning cathode-ray tubes and the like
US4627936A (en) * 1984-10-05 1986-12-09 Gould Paper Corp. Towel premoistened with antistatic solution for cleaning cathode-ray tubes and the like
EP0177430A3 (en) * 1984-10-05 1988-05-04 Gould Paper Corporation Towel premoistened with antistatic solution for cleaning cathode-ray tubes and the like
US5391316A (en) * 1992-03-06 1995-02-21 Lever Brothers Company, Division Of Conopco, Inc. Low-foaming, liquid cleaning compositions containing paraffin and fatty acid salt
US5362422A (en) * 1993-05-03 1994-11-08 The Procter & Gamble Company Liquid hard surface detergent compositions containing amphoteric detergent surfactant and specific anionic surfactant
EP0623669A2 (en) * 1993-05-03 1994-11-09 The Procter & Gamble Company Liquid hard surface detergent compositions containing amphoteric detergent surfactant and specific anionic surfactant
EP0623669A3 (en) * 1993-05-03 1995-07-26 Procter & Gamble Liquid hard surface detergent compositions containing amphoteric detergent surfactant and specific anionic surfactant.
WO1997006229A1 (en) * 1995-08-08 1997-02-20 Henkel Corporation Metal cleaning composition and process that do not damage plastic
US5932020A (en) * 1995-08-08 1999-08-03 Henkel Corporation Metal cleaning composition and process that do not damage plastic
US5824163A (en) * 1997-02-28 1998-10-20 Henkel Corporation Metal cleaning process that does not damage plastic
US5998348A (en) * 1997-02-28 1999-12-07 Henkel Corporation Concentrate for a dihydrogen phosphate-based metal cleaning composition that does not damage plastic

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