|Publication number||US3839234 A|
|Publication date||Oct 1, 1974|
|Filing date||Jan 26, 1973|
|Priority date||Jan 26, 1973|
|Publication number||US 3839234 A, US 3839234A, US-A-3839234, US3839234 A, US3839234A|
|Original Assignee||Roscoe C|
|Export Citation||BiBTeX, EndNote, RefMan|
|Patent Citations (2), Referenced by (89), Classifications (13)|
|External Links: USPTO, USPTO Assignment, Espacenet|
United States Patent [191 Roscoe [4 1 Oct. 1,1974
[ MULTI-PURPOSE CLEANING CONCENTRATE Colon J. Roscoe, 426 Plymouth Ave., Winston-Salem, NC. 27104 22 Filed: Jan. 26, 1973 21 Appl. No.: 326,769
 US. Cl 252/544, 252/153, 252/156, 252/170, 252/172, 252/173  Int. Cl ..C1ld 3/30  Field of Search 252/156, 544, 170, 172, 252/173, 153
 References Cited UNITED STATES PATENTS 2,929,789 3/1960 Pickett et al 252/170 3,696,042 10/1972 Wright 252/170 Primary Examiner-Ralph S. Kendall Assistant Examiner-Bruce l-l. Hess Attorney, Agent, or Firm-Donald W. Marks  ABSTRACT A water miscible cleaning composition contains:
ammonium hydroxide; and
an amine, such as triethanolamine, monoethanolamine, diethanolamine, monoisopropanolamine, diisopropanolamine, triisopropanolamine, monomethylamine, dimethylarnine, ethylenediamine, propylenediamine, cyclohexylamine, diethylethanolamine, ethyl diethanolamine, or morpholine; and a synthetic detergent.
4 Claims, No Drawings MULTI-PURPOSE CLEANING CONCENTRATE BACKGROUND OF THE INVENTION 1. Field of the Invention Contaminates on various surfaces such as glass, metal, enamel, glazed ceramic, floor tile, chrome, plastic, paint, etc. are removed with the aid of cleaning compositions. This invention relates to concentrated liquid cleaning compositions which are mixed with water in various proportions and used to remove contaminants from a variety of surfaces.
2. Prior Art There are a number of prior art cleaning compositions which are commercially available. Examples of prior art cleaning compositions are described in U.S. Pat. No. 2,551,634, and US. Pat. No. 2,948,685. Some of the cleaning compositions are very good for removing certain types of contaminants while not being effectivein removing other types of contaminants. Also, some cleaning compositions are highly reactive and unsuitable for handling by hand since they can cause considerable skin irritation. In addition, some of the cleaning compositions leave residues or films of soaps which must be removed by rinsing.
SUMMARY OF THE INVENTION An object of the present invention is a new and improved cleaning composition which contains no primary irritants and can be readily used by hand without causing hazardous skin irritation.
Another object of the invention is a new and improved cleaning composition which may be used to remove a wide variety of contaminants without leaving any films or residues which necessitate rinsing.
A further object of the invention is a new and improved cleaning composition which may be diluted with water in a desired manner to accommodate different cleaning situations.
In accordance with these and other objects of the invention a multi-purpose cleaning composition contains: a glycol ether such as ethylene glycol monobutyl ether,
diethylene glycol monobutyl ether, ethylene glycol monoethyl ether, ethylene glycol monomethyl ether, diethylene glycol monomethyl ether or diethylene glycol monoethyl ether; and glycol selected from the group consisting of propylene glycol, diethylene glycol, hexylene glycol, triethylene glycol and dipropylene glycol; a monohydroxy alcohol selected from the group consisting of isopropanol, n-propanol and isabutanol, ammonium hydroxide; and amine selected from the group consisting of triethanolamine, monoethanolamine, diethanolamine, monoisopropanolamine, diisopropanolamine, triisopropanolamine, monomethylamine, dimethylamine, ethylenediamine, propylenediamine, cyclohexylamine, diethylethanolamine, ethyl diethanolamine and morpholine; and a synthetic detergent.
DETAILED DESCRIPTION The multi-purpose cleaning concentrate of the invention is a liquid composition of cleaning agents which may be used to remove a number of contaminants from a variety of surfaces. For example, gums, resins, oils, greases, fats, dirt, etc., can be removed by the cleaning composition (selectively diluted with water) from windows, stoves, walls, floors, etc. All of the agents of the composition cooperate to remove the contaminants from the surfaces. Preferrably the composition is blended in a concentrated form with less than about 23 parts or percent by volume water. Additional water is added by the user to make a cleaning composition of desired strength.
As used herein, the term part refers to a selected volume. Accordingly, each part has the same volume.
The composition contains, generally, from 5 to 60 parts of a glycol ether. Preferrably 10 to parts of the glycol ether are mixed in the compositions. The glycol ethers which may be used are ethylene glycol monobutyl ether, diethylene glycol monobutyl ether, ethylene glycol monoethyl ether, ethylene glycol monomethyl ether, diethylene glycol monomethyl ether and diethylene glycol monoethyl ether. Mixtures of two or more of the glycol ethers may also be employed. Ethylene glycol monobutyl ether and diethylene glycol monobutyl ether appear to generally produce better cleaning solutions than the other glycols. The glycol ethers are aggressive solvents for many oils, gums, resins, greases and waxes. Since the glycol ethers are water-soluble they also serve as coupling agents and emulsifiers.
Generally about 5 to 60 parts of a glycol, such as propylene glycol, diethylene glycol, hexylene glycol (2- methyl-2, 4 pentanediol), triethylene glycol, dipropylene glycol or mixtures of two or more thereof are included in the composition. Preferrably from 10 to 40 parts of the composition is glycol. The glycols are bygroscopic high boiling solvents which are completely miscible with water. The glycols aid in the dissolution of various resins, gums and oils. Once the contaminants are removed from a surface, the glycols tend to prevent redeposition of the removed contaminants. Also, the glycols add lubricity to the composition and permit soil or solid particles to be easily wiped away before the surface dries. Further, the glycols aid in the penetration and wetting of the composition into the contaminants. Of glycols, propylene glycol, hexylene glycol and diethylene glycol are preferred over the other glycols.
A monohydroxy alcohol such as isopropanol npropanol, isobutanol or a mixture of two or more thereof forms about 1 to 30 parts of the composition. Preferrably from 5 to 20 parts of the monohydroxy alcohol is included. The monohydroxy alcohols add additional solvent power to the composition as well as enhancing the action and cooperation of the other agents.
The composition also contains about 1 to 15 parts and preferrably from 2 to 10 parts of an amine selected from triethanolamine, monoethanolamine, diethanolamine, monoisopropanolamine, diisopropanolamine, triisopropanolamine, monomethylamine, dimethylamine, ethylenediamine, propylenediamine, cyclohexylamine, diethylethanolamine, ethyl diethanolamine, morpholine, and mixtures of two or more thereof. Triethanolamine, monoethanolamine and diethanolamine are preferred over the other amines with triethanolamine being the most preferred and diethanolamine the least preferred. The amines are miscible with water and the other agents of the composition. They are good penetrating and softening agents while capable of saponifying and emulsifying oils, greases and waxes. The amines tend to lower the surface tension of water and aqueous solutions. They also serve as solvents for many organic gums, oils and resins.
Aqueous ammonium hydroxide is included in the composition. Based upon a 28 percent solution, about 2 to 30 parts of aqueous ammonium hydroxide may be used. Preferrably from 5 to parts of aqueous ammonium hydroxide are mixed in the solution. Aqueous ammonium hydroxide is a good cleaning agent which neutralizes acids and changes fatty oils into water'miscible soaps.
To further enhance the cleaning properties of the composition 1 to 15 parts, and preferrably from 2 to 6 parts, of a liquid synthetic detergent are included. The synthetic detergent is one of the commercially available materials which have a cleaning action like soap but are not derived directly from fats and oils. They are surface active agents and have structurally unsymmetrical molecules with a hydrophilic-group and hydrophobic oil-soluble group. Three acceptable synthetic detergents are IGEPAL CO 630 sold by GAF, Inc., TER- GITOL NPX sold by Union Carbide, Inc. AND TRI- TON X 100sold by Robin and 'I-Iaas, Inc. IGEPAL- CO630 is a nonyl phenoxy poly (ethyleneoxy) ethanol obtained by condensation reaction of ethylene oxide on nonyl phenol and having about eight ethyleneoxy groups. T-ERGITOL NPX' is a nonyl phenol ethylene glycol ether formed by condensation reaction of 1 mole nonyl phenolwith 10.5 moles ethylene oxide. TRITON X'l00 is'an alkyl polyether alcohol formed by the reaction of octylphenol with ethylene'oxide, and having about nine to ten oxyethylene groups. The synthetic detergent is selected for its ability not to leave significant films and residues of detergent on surfaces when incorporated in the composition of the invention.
'It is believed that this class of detergents volitilizes.
Also, the synthetic detergent is selected to be compatable with the'other agents of the composition.
One important aspect of the invention is. the discovery that the abovecombination of cleaning agents of the invention produces a cleaning composition with particularly improved cleaning powers. While all of the agents may have been used individually or in combination with one or two of the other agents in cleaning compositions, the'advantages of the invention are not EXAMPLE I Ingredients Parts Ethylene glycol monobutyl ether 30 Propylene glycol 30 Isopropanol 1O 27% aqueous ammonium hydroxide l0 Triethanolamine 4 TERGITOL NPX 1;
Water For light duty cleaning of enamel surfaces, windows,
' plastic surfaces, table tops, etc., A cup of the concen- 6 trated composition of EXAMPLE I is mixed with 1 gallon ofwatter'. The diluted cleaner is sprayed on the surfaces and wiped off with a cotton cloth to remove the contaminants. After drying no films or residues are visible on the surfaces. 1
For cleaning baked or burnt oils, greases, gums and foods on metal articles, 1 pint of the concentrated composition of EXAMPLE I is mixed with 1 gallon of water. The articles may be soaked and scrubbed in the diluted cleaner to remove the contaminants. After wiping and drying no films or residues are visible on the articles.
EXAMPLE II Ingredients Parts diethylene glycol monobutyl ether 30 diethylene glycol 30 n-propanol I0 27% aqueous ammonium hydroxide l0 monoethanolamine 4 IGEPAL CO-630 3 Water l3 EXAMPLE, ll l v Ingredients Parts ethylene glycol monomethyl ether 30 hexylene glycol 30 isobutanol v I0 27% aqueous ammonium hydroxide g 10 diethanolamine v 4 TRITON X I00 3 Water 13 EXAMPLEIV Ingredients 7 Parts ethylene glycol monoethyl ether l0 diethylene glycol monomethyl ether l0 diethylene glycol monoethyl ethe .lO triethylene. glycol l5 dipropylene glycol 15 isopropanol I0 27% aqueous ammonium hydroxide l0 monoisopropanolamine v, 2 diisopropanolamine 2 TERGITOL NPX 3 Water 13 the invention are simply'illustrative of the principles of the invention. Many other embodiments may be devised without departing from the scope and spirit of the invention.
What is claimed is:
l. A cleaning composition which is absent significant residue leaving agents and which is capable of being diluted with water consisting essentially of a blend of the following parts having the same volume:
5 to parts of a glycol ether selected from the group consisting of ethylene glycol monobutyl ether, diethylene glycol vmonobutyl ether, ethylene glycol monoethyl ether,v ethylene glycol monomethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether and mixtures of two or more thereof;
5 to 60 parts of a glycol selected from the group consisting of propylene glycol, diethylene glycol, hexylene glycol, triethylene glycol, dipropylene glyco and mixtures of two or more thereof;
2 to 30 parts of a monohydroxy alcohol selected from the group consisting of isopropanol, n-propanol, isobutanol and mixtures of two or more thereof;
an aqueous ammonium hydroxide solution equivalent to 2 to 30 parts of a 28 percent aqueous ammonium hydroxide solution; to l5 parts of an amine selected from the group consisting of triethanolamine, monoethanolamine, diethanolamine, monoisopropanolamine diisopropanolamine, triisopropanolamine, monomethylamine, dimethylamine, ethylenediamine, propylenediamine, cyclohexylamine, diethylethanolamine, ethyl diethanolamine, morpholine, and mixtures of two or more thereof; and to 15 parts of a liquid synthetic detergent which does not form any substantial film or residue when a film of water solution thereof is dried.
2. A cleaning composition as defined in claim 1 consisting essentially of:
IO to 40 parts of the glycol ether;
to 40 parts of the glycol;
5 to 20 parts of the monohydroxy alcohol;
5 to parts of the aqueous ammonium hydroxide;
2 to 10 parts of the amine; and 2 to 6 parts of the synthetic detergent. 3. A cleaning composition as defined in claim 1 wherein:
I the monohydroxy alcohol is isopropanol; and
the amine is triethanolamine, diethanolamine or monoethanolamine. 4. A cleaning composition as defined in claim 3, consisting essentially of:
10 to 40 parts of the glycol ether;
10 to 40 parts of the glycol;
5 to 20 parts of the monohydroxy alcohol;
2 to 10 parts of the aqueous ammonium hydroxide;
2 to 10 parts of the amine; and
2 to 6 parts of the synthetic detergent.
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|U.S. Classification||510/435, 510/421|
|International Classification||C11D3/26, C11D7/02, C11D7/06, C11D3/43, C11D3/30|
|Cooperative Classification||C11D3/30, C11D3/43, C11D7/06|
|European Classification||C11D3/30, C11D3/43, C11D7/06|