USRE36982E - Surfactants based aqueous compositions with D-limonene and hydrogen peroxide and methods using the same - Google Patents

Surfactants based aqueous compositions with D-limonene and hydrogen peroxide and methods using the same Download PDF

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USRE36982E
USRE36982E US09/248,406 US24840699A USRE36982E US RE36982 E USRE36982 E US RE36982E US 24840699 A US24840699 A US 24840699A US RE36982 E USRE36982 E US RE36982E
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US09/248,406
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Arman V. Melikyan
Patrick H. Stewart
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Envirox LLC
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Envirox LLC
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Classifications

    • 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
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3947—Liquid compositions
    • 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
    • C11D1/831—Mixtures of non-ionic with anionic compounds of sulfonates with ethers of polyoxyalkylenes without phosphates
    • 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
    • C11D17/0017—Multi-phase liquid compositions
    • C11D17/0021—Aqueous microemulsions
    • 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
    • C11D3/16—Organic compounds
    • C11D3/18—Hydrocarbons
    • 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
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2068—Ethers
    • 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
    • C11D3/16—Organic compounds
    • C11D3/34—Organic compounds containing sulfur
    • C11D3/3409—Alkyl -, alkenyl -, cycloalkyl - or terpene sulfates or sulfonates
    • 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
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • C11D3/3765—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in liquid compositions
    • 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
    • C11D1/14—Sulfonic acids or sulfuric acid esters; Salts thereof derived from aliphatic hydrocarbons or mono-alcohols
    • C11D1/143—Sulfonic acid esters
    • 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
    • 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

Definitions

  • This invention relates to improved cleaning compositions and methods of using the same. More specifically, it relates to aqueous compositions which are surfactants based and include D-limonene and hydrogen peroxide.
  • Another desirable characteristic is the capability of use for industrial or commercial purposes or in the home.
  • such compositions are commonly purchased in concentrated form and diluted by the user, thus saving on shipping, packaging and storage expenses.
  • the convenience of a ready to use product is desirable.
  • Applicants' invention contains no materials which were not heretofore known in the art of cleaning compositions. However, their invention relates to new and unobvious combinations of such materials, which in use provide superior results to those provided by the prior art.
  • U.S. Pat. No. 4,430,236 discloses an aqueous product containing hydrogen peroxide, a nonionic surfactant or a mixture of a nonionic surfactant and an anionic surfactant. Many other patents show the use of hydrogen peroxide.
  • U.S. Pat. No. 5,281,280 discloses a mildew remover containing hypochlorite, bicarbonate and D-limonene. Many other patents exist showing the use of D-limonene, which provides a pleasant citrus-like aroma, as well as cleaning properties.
  • Another object of the invention is to provide cleaning compositions with high stability for long periods of time under a broad range of temperatures.
  • Still another object of the invention is to provide cleaning compositions which may be prepared in diluted ready to use form or in concentrated form for industrial use.
  • Yet another object of the invention is to provide improved cleaning compositions with selectable multiple purposes, including degreasing, particulate soil removal, deodorizing, disinfecting, stain removal, mildew removal, bleaching and color preservation for hard, resilient and porous surfaces and fiber products.
  • the improved compositions all include a terpene, an anti-oxidant to stabilize the terpene, two anionic surfactants, a nonionic surfactant, and hydrogen peroxide, all in a deionized water solution.
  • the terpene is a terpene hydrocarbon and may be a monoterpene or a sesquiterpene, or a mixture of both.
  • the terpene may be acyclic, monocyclic or bicyclic, with monocyclic or bicyclic terpenes being preferred.
  • the preferred specific terpene is D-limonene, a biodegradable product derived from orange rind oil.
  • the terpene is stabilized with a food grade anti-oxidant, e.g., a butylated hydroxy anisole blend with other materials.
  • a food grade anti-oxidant e.g., a butylated hydroxy anisole blend with other materials.
  • One of the anionic surfactants is preferably the isopropylamine salt of linear alkylbenzene sulfonic acid. It is an excellent cleaning surfactant and an effective emulsifier for D-limonene and other terpenes to form an oil-in-water solution. It is very biodegradable because of its linear alkyl group. It greatly facilitates the formulation of a dilutable micro-emulsion concentrate.
  • One commercial name for this is Biosoft N-411.
  • An anionic surfactant which is preferred for the second surfactant is sodium 1-octane sulfonate. It has excellent coupling properties, is an effective wetting agent, surface tension reducer and hydrotrope. It is stable over a wide pH range, has good compatibility with various conventional detergent builders or additives and stability with respect to hydrogen peroxide.
  • a commercial name for this surfactant is Bioterge PAS-8S.
  • the nonionic surfactant is preferably an alkyl ethoxylate having 12 to 15 carbon atoms. It is the condensation product of an aliphatic alcohol with about 65.6% weight basis etylene oxide. It is highly water soluble and has a hydrophile-lipophile (HLB) of 13.1:1. It is available under the commercial name of Neodol 25-9.
  • HLB hydrophile-lipophile
  • Hydrogen peroxide is an important part of the compositions because it greatly improves the cleaning, deodorizing and disinfecting performance by its addition. It is conveniently supplied in a concentration of 35% by weight in an aqueous solution. Applicants' experiments have shown that this solution remains stable when combined with the other ingredients in a micro-emulsion when the solution is over half of the micro-emulsion.
  • Applicants' invention is not limited by any theory expressed herein. However, it is presently believed that these results may come from both the second anionic surfactant and the use of the final ingredient, deionized water. If the water were not deionized, divalent metals could be present and react with the hydrogen peroxide.
  • Stability may be further improved by the addition of other ingredients, such as chelating agents.
  • chelating agents One of the these could be sodium ethylene diaminetetraacetate.
  • compositions are clear micro-emulsions. Thus during application to surfaces or materials, the surfaces can be seen by the users and the progress can be observed.
  • the actual concentration of hydrogen peroxide is varied downward from the 7.9% level discussed above depending on the risk of contact with human skin in actual use.
  • the highest concentrations may be used in commercial or industrial use where the compositions are sold in bulk quantities and are to be diluted just before use. In compositions sold for use in the household, dilution is not expected, so the hydrogen peroxide level is the lowest. Other variations will be based on the materials to be cleaned and the specific purposes. None of the compositions are intended for use as body cleaners.
  • Table 1 sets forth formulations for five compositions within the scope of the invention, with Product Numbers 110, 120, 140, 141 and 142. All of the ingredients of Products 110 and 120 have been disclosed above.
  • Product 110 is a multi-purpose product with high percentages of active ingredients. It is intended for dilution just before use and is sold to commercial and industrial users.
  • Product 120 is much less concentrated and is sold in ready to use form as a household all purpose cleaner.
  • Product 140 is another formulation for industrial or commercial use with appropriate high concentration.
  • This product (as well as Products 141 and 142) includes an additional water soluble co-solvent, namely a glycol ether.
  • a preferred co-solvent is ethylene glycol monobutyl ether because it is effective in removing organic or petroleum soils due to its ether linkage. This is commercially available under the name Glycol EB. Hence, these three products all are superior when such soils are part of the problem.
  • Product 141 and Product 142 both additionally include a thickening agent, a modified polyacrylate-polyalcohol polymer commercially available under the name Thix.
  • Thix a modified polyacrylate-polyalcohol polymer commercially available under the name Thix.
  • the increased viscosity and the other variations in percentages make Product 141 more useful as a carpet spotter because it safeguards the color of the carpet and eliminates odors.
  • Product 142 has an increase in hydrogen peroxide and a decrease in deionized water relative to Product 141. It is preferred for more stringent fiber cleaning and greater deodorization, for example when pet soil is a problem. Both Products 141 and 142 are intended for undiluted household use.
  • Table 2 discloses seven broad uses of Applicants' compositions with numerous specific uses comprised therein.
  • the first column states the uses.
  • the second column references the five formulations disclosed in Table 1.
  • the third column states the desired dilution, if any, before use.
  • the fourth column states the remaining steps of the method of use.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

A cleaning composition including a terpene such as D-limonene and hydrogen peroxide in a surfactants based aqueous solution. The composition in various specific formulations is a micro-emulsion useful for a variety of materials and for both industrial and household applications.

Description

BACKGROUND OF THE INVENTION
This invention relates to improved cleaning compositions and methods of using the same. More specifically, it relates to aqueous compositions which are surfactants based and include D-limonene and hydrogen peroxide.
Many different cleaning compositions have been developed for a variety of purposes. The art is replete with patents on such compositions. Depending on the specific materials to be cleaned and the uses of those materials, different results may be more or less important. An important goal for almost all such compositions is chemical stability for long periods of time over a broad temperature range.
Other goals which may be of greater or lesser importance depending on the application include action to remove grease and/or particulate soil, to deodorize, to disinfect, to remove stains, to remove mildew, to bleach, and to preserve color of the material being cleaned.
Another desirable characteristic is the capability of use for industrial or commercial purposes or in the home. In industry, such compositions are commonly purchased in concentrated form and diluted by the user, thus saving on shipping, packaging and storage expenses. In the home or small establishments, the convenience of a ready to use product is desirable.
Applicants' invention contains no materials which were not heretofore known in the art of cleaning compositions. However, their invention relates to new and unobvious combinations of such materials, which in use provide superior results to those provided by the prior art.
Of the many patents in the art, Applicants believe the following are the ones of most interest:
U.S. Pat. No. 4,430,236 discloses an aqueous product containing hydrogen peroxide, a nonionic surfactant or a mixture of a nonionic surfactant and an anionic surfactant. Many other patents show the use of hydrogen peroxide.
U.S. Pat. No. 5,281,280 discloses a mildew remover containing hypochlorite, bicarbonate and D-limonene. Many other patents exist showing the use of D-limonene, which provides a pleasant citrus-like aroma, as well as cleaning properties.
It appears to be significant that Applicants have found no disclosures of the use of both hydrogen peroxide and a terpene such as D-limonene together. It is believed that this is because conventional wisdom would suggest that such a mixture would be unstable as would most mixtures including hydrogen peroxide because of its reactivity.
SUMMARY OF THE INVENTION
Accordingly, it is an object of the invention to provide cleaning compositions which include both hydrogen peroxide and a terpene such as D-limonene and methods of using the same.
Another object of the invention is to provide cleaning compositions with high stability for long periods of time under a broad range of temperatures.
Still another object of the invention is to provide cleaning compositions which may be prepared in diluted ready to use form or in concentrated form for industrial use.
Yet another object of the invention is to provide improved cleaning compositions with selectable multiple purposes, including degreasing, particulate soil removal, deodorizing, disinfecting, stain removal, mildew removal, bleaching and color preservation for hard, resilient and porous surfaces and fiber products.
These and other objects of the invention are provided by the invention, as described in the following detailed description.
DETAILED DESCRIPTION OF THE INVENTION
Most generally the improved compositions all include a terpene, an anti-oxidant to stabilize the terpene, two anionic surfactants, a nonionic surfactant, and hydrogen peroxide, all in a deionized water solution.
The terpene is a terpene hydrocarbon and may be a monoterpene or a sesquiterpene, or a mixture of both. The terpene may be acyclic, monocyclic or bicyclic, with monocyclic or bicyclic terpenes being preferred. The preferred specific terpene is D-limonene, a biodegradable product derived from orange rind oil.
The terpene is stabilized with a food grade anti-oxidant, e.g., a butylated hydroxy anisole blend with other materials.
One of the anionic surfactants is preferably the isopropylamine salt of linear alkylbenzene sulfonic acid. It is an excellent cleaning surfactant and an effective emulsifier for D-limonene and other terpenes to form an oil-in-water solution. It is very biodegradable because of its linear alkyl group. It greatly facilitates the formulation of a dilutable micro-emulsion concentrate. One commercial name for this is Biosoft N-411.
An anionic surfactant which is preferred for the second surfactant is sodium 1-octane sulfonate. It has excellent coupling properties, is an effective wetting agent, surface tension reducer and hydrotrope. It is stable over a wide pH range, has good compatibility with various conventional detergent builders or additives and stability with respect to hydrogen peroxide. A commercial name for this surfactant is Bioterge PAS-8S.
The nonionic surfactant is preferably an alkyl ethoxylate having 12 to 15 carbon atoms. It is the condensation product of an aliphatic alcohol with about 65.6% weight basis etylene oxide. It is highly water soluble and has a hydrophile-lipophile (HLB) of 13.1:1. It is available under the commercial name of Neodol 25-9.
Hydrogen peroxide (H2 O2) is an important part of the compositions because it greatly improves the cleaning, deodorizing and disinfecting performance by its addition. It is conveniently supplied in a concentration of 35% by weight in an aqueous solution. Applicants' experiments have shown that this solution remains stable when combined with the other ingredients in a micro-emulsion when the solution is over half of the micro-emulsion.
The present maximum allowable actual concentration of hydrogen peroxide in a product to avoid health and environmental hazards is 7.9%. Using a 35% aqueous solution, this translates to a maximum percentage of 22.8% of the peroxide solution in the composition in its concentrated forms. In view of the reactivity of hydrogen peroxide and expected greater reactivity when combined with terpenes, it would have been expected that even such a lower concentration would be unstable, but such is not the case. In fact, all formulations are stable for long periods of time and over a broad temperature range, including both those compositions containing a higher hydrogen peroxide percentage than 7.9%.
Applicants' invention is not limited by any theory expressed herein. However, it is presently believed that these results may come from both the second anionic surfactant and the use of the final ingredient, deionized water. If the water were not deionized, divalent metals could be present and react with the hydrogen peroxide.
Stability may be further improved by the addition of other ingredients, such as chelating agents. One of the these could be sodium ethylene diaminetetraacetate.
An advantage of all the compositions is that they are clear micro-emulsions. Thus during application to surfaces or materials, the surfaces can be seen by the users and the progress can be observed.
Generally, the actual concentration of hydrogen peroxide is varied downward from the 7.9% level discussed above depending on the risk of contact with human skin in actual use. The highest concentrations may be used in commercial or industrial use where the compositions are sold in bulk quantities and are to be diluted just before use. In compositions sold for use in the household, dilution is not expected, so the hydrogen peroxide level is the lowest. Other variations will be based on the materials to be cleaned and the specific purposes. None of the compositions are intended for use as body cleaners.
Table 1 sets forth formulations for five compositions within the scope of the invention, with Product Numbers 110, 120, 140, 141 and 142. All of the ingredients of Products 110 and 120 have been disclosed above. Product 110 is a multi-purpose product with high percentages of active ingredients. It is intended for dilution just before use and is sold to commercial and industrial users. Product 120 is much less concentrated and is sold in ready to use form as a household all purpose cleaner.
Product 140 is another formulation for industrial or commercial use with appropriate high concentration. This product (as well as Products 141 and 142) includes an additional water soluble co-solvent, namely a glycol ether. A preferred co-solvent is ethylene glycol monobutyl ether because it is effective in removing organic or petroleum soils due to its ether linkage. This is commercially available under the name Glycol EB. Hence, these three products all are superior when such soils are part of the problem.
Product 141 and Product 142 both additionally include a thickening agent, a modified polyacrylate-polyalcohol polymer commercially available under the name Thix. The increased viscosity and the other variations in percentages make Product 141 more useful as a carpet spotter because it safeguards the color of the carpet and eliminates odors. Product 142 has an increase in hydrogen peroxide and a decrease in deionized water relative to Product 141. It is preferred for more stringent fiber cleaning and greater deodorization, for example when pet soil is a problem. Both Products 141 and 142 are intended for undiluted household use.
              TABLE 1                                                     
______________________________________                                    
Ingredient                                                                
        110      120      140    141    142                               
______________________________________                                    
D-limomene                                                                
        7.08%    1.32%    6.58%  0.55%  0.55%                             
Anti-   0.02%    0.02%    0.02%  0.02%  0.02%                             
oxidant                                                                   
Glycol EB                                                                 
        0.00%    0.00%    7.00%  0.58%  0.58%                             
Biosoft 8.55%    1.60%    7.95%  0.66%  0.66%                             
N-411                                                                     
Neodol  6.41%    1.20%    5.96%  0.50%  0.50%                             
25-9                                                                      
Bioterge                                                                  
        5.74%    1.07%    5.34%  0.44%  0.44%                             
PAS-8S                                                                    
Di Water                                                                  
        49.61%   92.01%   44.51% 93.41% 92.21%                            
H.sub.2 O.sub.2                                                           
        22.60%   2.80%    22.60% 2.80%  4.00%                             
(35%)                                                                     
Thix     0.00%   0.00%    0.00%  1.00%  1.00%                             
Total   100.00%  100.00%  100.00%                                         
                                 100.00%                                  
                                        100.00%                           
______________________________________                                    
Description of Ingredients for the Above Formulation Table                
______________________________________                                    
D-limosene A terpene derived from distilled orange rind                   
           oil.                                                           
Anti-oxidant                                                              
           A butylated hydroxy anisole blend.                             
Glycol EB  Ethylene glycol monobutyl ether.                               
Biosoft N-411                                                             
           Isopropylamine salt of linear alkylbenzene                     
           sulfonic acid (Amionic surfactant)                             
Neodol 25-9                                                               
           An alkyl ethoxylate having 12 to 15 carbon                     
           atoms. (Nonionic surfactant)                                   
Bioterge PAS-8S                                                           
           Sodium 1-octane sulfonate. (Amionic                            
           surfacant)                                                     
Di Water   Deionized water.                                               
H.sub.2 O.sub.2 (35%)                                                     
           Hydrogen peroxide bleach 35% weight                            
           solution in water.                                             
Thix       A modified polyacrylate-polyalcohol polymer.                   
           (Thickening agent)                                             
______________________________________
Table 2 discloses seven broad uses of Applicants' compositions with numerous specific uses comprised therein. The first column states the uses. The second column references the five formulations disclosed in Table 1. The third column states the desired dilution, if any, before use. The fourth column states the remaining steps of the method of use.
                                  TABLE 2                                 
__________________________________________________________________________
                                 WATER TO                                 
                        APPLICABLE                                        
                                          FORMULA                         
                        FORMULA                      METHOD               
__________________________________________________________________________
FOR USE AS A MULTI-PURPOSE CLEANER.                                       
                        110 (commercial)                                  
                                 20:1 to 1000:1                           
                                         Commercial products 110 and 140  
                                         are diluted                      
Formulations may be balanced to provide a broad                           
                                     0:1 to 100:1old)                     
                                              in the filed by means of    
                                         ventrri eductor                  
range of cleaning effectiveness without possbility                        
                                    20:1 to 1000:1)                       
                                            driven with water pressure to 
                                         provide                          
of damage to any water-safe surface or fiber. Each                        
                                                          multiple levels 
                                         of water dilution,               
specific application's cleaning needs are effectively                     
                                                          automatically   
                                         to satisfy a broad range         
satisfied by varying the water to cleaner ratio at the                    
                                                          of cleaning     
                                         needs.                           
work site. Applications effectively satisfied by one                      
                                                          1. 20:1         
                                         Degreasing solution for          
                                         kitchens                         
formula are:                                                 and          
                                         mechanical Working areas.        
1. Cleaning Hard & resilient surfaces                                     
                                                          2. 54:1 A       
                                         Pre-spray and soak method is     
                                         used                             
2. Cleaning Glass & mirrors                                               
                                                             for heavily  
                                         Soiled floors or walls,          
                                         carpets,                         
3. Cleaning & disinfecting Bathroom urinals                               
                                                             bathroom     
                                         urinals, commodes, sinks,        
                                         fixtures                         
commodes, sinks & fixtures                                                
                                             and walls, stalls and floors 
                                         adjacent to                      
4. Cleaning & removing spots from Fibers ... ie.                          
                                                             those        
                                         areas.                           
Carpet, upholstery, Fabrics                                               
                                                          3. 256:1 No     
                                         rinse wipe down cleaner and      
                                                             bathroom     
                                         floor moping solution.           
                                                          4. 512:1        
                                         General mop bucket and           
                                         mechanical                       
                                                             scrubbing    
                                         equipment solution.              
                                                             Glass and    
                                         mirror cleaner.                  
                                                          5. 1000:1       
                                         Mechanical scrubbing machine     
                                                             solution for 
                                         high gloss floors.               
FOR USE IN ELIMINATION OF ODORS.                                          
                                    10:1 to 54:1      110                 
                                              The affected area is        
                                         sprayed wtth the                 
These formulation are particularly effective for                          
                                     0:1 to 10:1old)                      
                                               appropriate dilution and   
                                         allowed to soak for              
soluablizing soils and oxidizing odors associated with                    
                               140 (commercial)                           
                                    10:1 to 54:1                          
                                              three to fifteen minutes    
                                         depending on the                 
urine, feces, decomposing food, smoke and mildew.                         
                                     0:1(household)                       
                                                       severity, type of  
                                         soil and surface. The affected   
                                     0:1household)                        
                                                       surface is then    
                                         scrubbed and rinsed with water   
                                                          to remove soils 
                                         and residual cleaner.            
FOR USE AS A DISINFECTANT.                                                
                                                                110       
                        (commercial)                                      
                                    10:1 to 54:1                          
                                              The affected area is        
                                         sprayed with the                 
These formulations demonstrate effective bacteria                         
                                     0:1(household)                       
                                                       appropriate        
                                         dilution (lower water dilutions  
destruction properties for Gram Positive an Gram                          
                                    10:1 to 54:1cial)                     
                                              result in stronger          
                                         disinfectant properties). The    
Negative Bacteria as well as Yeast and Mold.                              
                                     0:1 141 (household)                  
                                                       affected area is   
                                         allowed to soak for two to ten   
                                     0:1household)                        
                                                       minutes depending  
                                         on the dilution ratio (lower     
                                                          water dilutions 
                                         work faster). The affected area  
                                                          is then         
                                         scrubbed or wiped and or rinsed  
                                         with                             
                                                          water (higher   
                                         water dilutions do not require   
                                                   rinsing).              
FOR USE ON HARD & RESILIENT                                               
                                                          110             
                        (commercial)                                      
                                    20:1 to 1000:1                        
                                            The surface is cleaned by mop 
                                         or mechanical                    
SURFACES. These formulations are effective                                
                                     0:1 to 100:1ousehold)                
                                              scrubbing machines at       
                                         approriate dilution              
cleaning agents for hard or resilient surfaces at high                    
                               140 (commercial)                           
                                    0:1 to 1000:1                         
                                             levels. For heavy soils the  
                                         lower dilutions                  
water dilution ratios. Products using this technology                     
                               141 (household)                            
                                     0:q               are pre-sprayed on 
                                         the surface and allowed to       
provide penetrating solvency for porous surfaces.                         
                                     0:1(household)                       
                                                       soak for three to  
                                         fifteen minutes and then         
Bleaching action is surface-safe and particularly                         
                                                          scubbed and     
                                         rinsed with water.               
effective on grouted ceramic tile.                                        
__________________________________________________________________________
Various changes and modifications will be apparent to those skilled in the art. All of these are to be included within the scope of the appended claims.

Claims (4)

What is claimed is:
1. A clear stable liquid micro-emulsion cleanser composition comprising:
a. from about 0.5% to 10% .Iadd.by weight .Iaddend.of a terpene .Iadd.solvent .Iaddend.selected from .[.mono- and.]. .Iadd.the group consisting of .Iaddend.sesquiterpenes and mixtures thereof;
b. from about 0.5% to about 10% .Iadd.by weight .Iaddend.of a water soluble glycol ether solvent;
c. from about 0.5% to about 10% .Iadd.by weight .Iaddend.of an isopropylamine salt of linear alkyl benzene sulfonic acid as a first anionic surfactant;
d. from about 0.4% to about 10% .Iadd.by weight .Iaddend.of a sodium 1-octane sulfonate as a second anionic surfactant to provide coupling and stability effects;
e. from about 0.5% to about 10% .Iadd.by weight .Iaddend.of an alkyl ethoxylate nonionic surfactant with an HLB of 11 to 15 to approximate the HLB of the terpene solvent;
f. from about 2.0% to about 22.8% by weight of a 35% by weight aqueous solution of hydrogen peroxide;
g. from about 0.2% to 4% by weight of a food grade anti-oxidant based on the terpene weight percentage to stabilize the terpene;
h. from about 1.0% to 5.0% by weight of a polyacrylate-polyalcohol polymer used as a thickening agent; and
i. deionized water.
2. A .[.cleaning.]. .Iadd.clear stable liquid micro-emulsion cleanser .Iaddend.composition according to claim 1 wherein said terpene solvent is D-limonene.
3. A method of using the micro-emulsion of claim 1 comprising
a. applying said micro-emulsion to a material to be cleaned whereby said micro-emulsion incorporates soil from said material; and
b. removing said micro-emulsion from said material.
4. A method according to claim 3 including diluting one part of said micro-emulsion with up to 1000 parts of water prior to applying said micro-emulsion.
US09/248,406 1995-12-27 1999-02-11 Surfactants based aqueous compositions with D-limonene and hydrogen peroxide and methods using the same Expired - Lifetime USRE36982E (en)

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