EP1180128A1 - Car wash cleaner - Google Patents

Car wash cleaner

Info

Publication number
EP1180128A1
EP1180128A1 EP00932659A EP00932659A EP1180128A1 EP 1180128 A1 EP1180128 A1 EP 1180128A1 EP 00932659 A EP00932659 A EP 00932659A EP 00932659 A EP00932659 A EP 00932659A EP 1180128 A1 EP1180128 A1 EP 1180128A1
Authority
EP
European Patent Office
Prior art keywords
vehicle
composition
cleaning
water
anionic surfactant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00932659A
Other languages
German (de)
French (fr)
Other versions
EP1180128B1 (en
Inventor
Richard E. Rudin
Robert H. Lohr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SC Johnson and Son Inc
Original Assignee
SC Johnson and Son Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SC Johnson and Son Inc filed Critical SC Johnson and Son Inc
Publication of EP1180128A1 publication Critical patent/EP1180128A1/en
Application granted granted Critical
Publication of EP1180128B1 publication Critical patent/EP1180128B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • 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
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2072—Aldehydes-ketones
    • 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
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3707—Polyethers, e.g. polyalkyleneoxides
    • 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
    • C11D1/02—Anionic compounds
    • C11D1/12—Sulfonic acids or sulfuric acid esters; Salts thereof
    • C11D1/29—Sulfates of polyoxyalkylene 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
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/38—Cationic compounds
    • C11D1/42—Amino alcohols or amino ethers
    • C11D1/44—Ethers of polyoxyalkylenes with amino alcohols; Condensation products of epoxyalkanes with amines
    • 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
    • C11D1/722—Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups; Polyalkoxylated fatty alcohols or polyalkoxylated alkylaryl alcohols with mixed oxyalkylele groups

Definitions

  • the present invention relates to vehicle cleaners which do not require hand drying. More particularly, it relates to car wash cleaners which permit rinse water to readily sheet off the vehicle during the rinsing process, yet which do not adversely affect beading properties after the car has dried .
  • a rinae aid which improves sheeting during the car wash process, but also destroys the ability of car wax to cause beading is a commercially unacceptable additive (as consumers would believe that the cleaner had destroyed the wax job) .
  • the invention provides a composition for cleaning a vehicle containing a copolymer of ethylene oxide and propylene oxide, anionic surfactant and water.
  • the copolymer is selected from the group consisting of:
  • the copolymer can be selected from the group consisting of: CH 3 CH 3 H-(OCH 2 CH 2 )y"-(OCHCH 2 ) x - ⁇ ⁇ CHzCHO ⁇ — (CH 2 CH 2 0) y — H — CH 2 -CH 2 -N
  • each of x, x' , x " , x "' , y, y' , y " , and y '" is 2-500.
  • Overall molecular weights of the copolymers are preferably between 1,000 and 50,000, with total EO and total PO units each preferably under 150 (even more preferably each under 50) .
  • compositions contain at least 50% water, between 0.5% and 8% block copolymer, and 20% to 45% anionic surfactant.
  • the preferred anionic surfactants are sulfates, sulfonates, and mixtures thereof, especially sodium dodecylbenzene sulfonate, sodium laureth sulfate and mixtures thereof .
  • the compositions can also contain a preservative such as formaldehyde, and other ingredients such as dyes, fragrances, other rinse aids, and fillers.
  • the composition can be applied in concentrated form to deal with particularly soiled areas, diluted with water in a bucket and directly applied with a sponge or the like, or diluted with water and sprayed onto a vehicle.
  • the invention provides methods for cleaning the surface of a vehicle by applying the above compositions to the vehicle, followed by rinsing with water.
  • the vehicle can then air dry (either from a stationary position, or while moving) .
  • a variety of the copolymers within the block copolymer formulae of claim 2 are sold by BASF under the trade designation Pluronics * .
  • a variety of the copolymers within the "block" copolymer formulae of claim 10 are sold by BASF under the trade designation Tetronics ⁇ .
  • the most preferred surfactants are alkali metal sulfate or sulfonate surfactants such as sodium dodecylbenzene sulfonate (SDS) and sodium laureth sulfate (SLES) .
  • SDS sodium dodecylbenzene sulfonate
  • SLES sodium laureth sulfate
  • they are sold as BIO SOFT D40 and Steal CS-230 from Stepan Chemical Co. They are preferably employed with the SDS in a major amount of about 30% to about 35% by weight and the SLES in a minor amount of about 3% to about 5% by weight .
  • anionic surfactants can be used such as sodium alkyl aryl ethoxy sulfates, sodium lauryl sulfate, sodium linear alkylate sulfonates, disodium sulfosuccinate , and diammonium lauryl sulfosuccinate .
  • other types of surfactants may be used in minor amounts.
  • a preservative e.g. formaldehyde
  • preservatives include anti-microbials such as Kathon (Rohm & Haas) , Dowicil (Dow Chemical) , and Canguard (Angus Chemical) .
  • Water is preferably 50% to 70% of a concentrated form of the composition.
  • the compositions can be diluted with water (e.g. one part of the concentrated composition diluted with 60-175 parts of water, or even more) . As noted above with respect to the spot use of the concentrated formula, no such dilution is required. However, absent such dilution the cost of washing an entire vehicle using the concentrate could be quite expensive.
  • the cleaners of the present invention can be used to wash vehicles such as automobiles, vans and trucks from a bucket.
  • the cleaners can be applied by hand (e.g. via a rag, pad or sponge) and subsequently rinsed off with a hose.
  • the cleaner can be sprayed onto the vehicles in more diluted form using an automated sprayer, and then rinsed off using an automated rinsing system. In either case, the vehicles dry by evaporation.
  • the objects of the present invention therefore include providing cleaners of the above kind:
  • EXAMPLE 1 EXAMPLE 2 Ingredient % wt . % wt .
  • the present invention provides chemicals that are particularly useful for cleaning vehicle exteriors, and methods of using these cleaners.

Landscapes

  • 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)
  • Detergent Compositions (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)

Abstract

Disclosed herein are chemical car wash cleaners. They contain ethylene oxide/propylene oxide block copolymers, anionic surfactants, and water. They clean vehicles without requiring hand drying of the vehicle to avoid spotting and without adversely affecting beading properties.

Description

CAR WASH CLEANER
BACKGROUND OF THE INVENTION
The present invention relates to vehicle cleaners which do not require hand drying. More particularly, it relates to car wash cleaners which permit rinse water to readily sheet off the vehicle during the rinsing process, yet which do not adversely affect beading properties after the car has dried .
There have been various efforts to automate the washing of cars and other vehicles . While soaping and rinsing steps have been satisfactorily automated, attempts to automate the drying step have proved difficult and/or energy inefficient. If left to dry on their own, vehicles washed with conventional car wash cleaners would typically be left with spots on their exterior finish. Hand drying is labor- intensive (and thus costly) and blow drying is energy inefficient and noisy.
Various dishwashing detergents are known that minimize spotting on glassware and the like. For example, BASF sells a number of polymers under the marks "Pluronic®" and "Tetronic®" that improve rinsing performance on glassware when mixed with dishwashing detergent. Moreover, in U.S. patent 5,770,548 there is a disclosure of using cleaning compositions containing surfactants, silicate and hydrophobic acrylic polymer to clean window glass and other hard surfaces without the need for hand drying. However, the designer of a vehicle cleaner must take into account additional considerations beyond simply anti- spotting capability. For example, such a cleaner must be compatible with standard waxes and finishes typically found on vehicles. A rinae aid which improves sheeting during the car wash process, but also destroys the ability of car wax to cause beading is a commercially unacceptable additive (as consumers would believe that the cleaner had destroyed the wax job) . Thus, a need exists for improved car wash cleaners and methods of cleaning vehicles using them.
BRIEF SUMMARY OF THE INVENTION In one aspect the invention provides a composition for cleaning a vehicle containing a copolymer of ethylene oxide and propylene oxide, anionic surfactant and water. In one form, the copolymer is selected from the group consisting of:
CH3 HO-(CH2CH20)x— (CH2CHO)y-(CH2CH20)x-H
where each of x, y, and x' is 2-300, and
CH3 CH3 HO-(CHCH2O)x- (CH2CH2O)y-(CH2CHO)x-H
where each of x, y, and x' is 2-300. In another aspect, the copolymer can be selected from the group consisting of: CH3 CH3 H-(OCH2CH2)y"-(OCHCH2)x-\ ^CHzCHO^— (CH2CH20)y— H — CH2-CH2-N
/ \
H-(OCH2CH2)y.»-(OCHCH2)x- '(CH2CHO)x — (CH2CH20)y-H
CH3 CH3
where each of x, x' , x" , x '", y, y' , y" , and y '" is 2-500, and
CH3 CH3
H-(OCHCH2)y»-(OCH2CH2)x'\ /(CH2CH20)χ— (CH2CHO)y— H
N— CH2-CH2-N H-(OCΗCH2)y»-(OCH2CH2)x'" ■ (CH2CH20)χ — (CH2CHO)y — H
CH3 C H3
where each of x, x' , x" , x"', y, y' , y" , and y'" is 2-500. Overall molecular weights of the copolymers are preferably between 1,000 and 50,000, with total EO and total PO units each preferably under 150 (even more preferably each under 50) .
In preferred forms these compositions contain at least 50% water, between 0.5% and 8% block copolymer, and 20% to 45% anionic surfactant. The preferred anionic surfactants are sulfates, sulfonates, and mixtures thereof, especially sodium dodecylbenzene sulfonate, sodium laureth sulfate and mixtures thereof . The compositions can also contain a preservative such as formaldehyde, and other ingredients such as dyes, fragrances, other rinse aids, and fillers. The composition can be applied in concentrated form to deal with particularly soiled areas, diluted with water in a bucket and directly applied with a sponge or the like, or diluted with water and sprayed onto a vehicle.
In yet another form the invention provides methods for cleaning the surface of a vehicle by applying the above compositions to the vehicle, followed by rinsing with water. The vehicle can then air dry (either from a stationary position, or while moving) .
A variety of the copolymers within the block copolymer formulae of claim 2 are sold by BASF under the trade designation Pluronics*. A variety of the copolymers within the "block" copolymer formulae of claim 10 are sold by BASF under the trade designation TetronicsΦ.
The most preferred surfactants are alkali metal sulfate or sulfonate surfactants such as sodium dodecylbenzene sulfonate (SDS) and sodium laureth sulfate (SLES) . In one form they are sold as BIO SOFT D40 and Steal CS-230 from Stepan Chemical Co. They are preferably employed with the SDS in a major amount of about 30% to about 35% by weight and the SLES in a minor amount of about 3% to about 5% by weight . Other anionic surfactants can be used such as sodium alkyl aryl ethoxy sulfates, sodium lauryl sulfate, sodium linear alkylate sulfonates, disodium sulfosuccinate , and diammonium lauryl sulfosuccinate . In addition, other types of surfactants may be used in minor amounts.
A preservative (e.g. formaldehyde) is preferably also present. Other preservatives include anti-microbials such as Kathon (Rohm & Haas) , Dowicil (Dow Chemical) , and Canguard (Angus Chemical) . Water is preferably 50% to 70% of a concentrated form of the composition. For use in a sprayer the compositions can be diluted with water (e.g. one part of the concentrated composition diluted with 60-175 parts of water, or even more) . As noted above with respect to the spot use of the concentrated formula, no such dilution is required. However, absent such dilution the cost of washing an entire vehicle using the concentrate could be quite expensive.
The cleaners of the present invention can be used to wash vehicles such as automobiles, vans and trucks from a bucket. In such a method, the cleaners can be applied by hand (e.g. via a rag, pad or sponge) and subsequently rinsed off with a hose. Alternatively, the cleaner can be sprayed onto the vehicles in more diluted form using an automated sprayer, and then rinsed off using an automated rinsing system. In either case, the vehicles dry by evaporation. The objects of the present invention therefore include providing cleaners of the above kind:
(a) which can be rinsed off and air dried without leaving readily visible spots;
(b) which do not adversely affect a waxed surface,- (c) which are relatively inexpensive to produce;
(d) which are suitable for use with water of varying hardness;
(e) which can be diluted to low concentrations and still be effective; and (f) which use environmentally acceptable components.
These and still other objects and advantages of the present invention (e.g. methods for using said cleaners) will be apparent from the description which follows. The following examples are merely the preferred embodiments. Thus, the claims should be looked to in order to understand the full scope of the invention. DETAILED DESCRIPTION Cleaner concentrates were prepared having the following formula :
EXAMPLE 1 EXAMPLE 2 Ingredient % wt . % wt .
Water 61.4075 60.4075
SDS surfactant 31.00 34.00
SLES surfactant 3.25 3.50
Pluronic* N3 4.25 Tetronic* 150R-1 -- 2.00
Formaldehyde 0.0925 0.0925
To prepare the cleaners of Examples 1 and 2, the ingredients were mixed in a batch process at room temperature . Pluronic* N3 is a block copolymer having the first formula of claim 2. Tetronic* 150R-1 is a block copolymer having the second formula of claim 10.
The above formulations were used to clean a vehicle, followed by rinsing with water and air drying. Water (to simulate rain) was then sprayed onto the dried vehicle, with noticeable beading of the water.
These examples are two of many possible examples within the scope of the claims. For example, various other additives may also be included, and different block copolymers and anionic surfactants may be selected. Thus, the claims are to be looked to in order to judge the full scope of the invention.
Industrial Applicability The present invention provides chemicals that are particularly useful for cleaning vehicle exteriors, and methods of using these cleaners.

Claims

CLAIMS We claim:
1. A composition for cleaning a vehicle, comprising: a copolymer of ethylene oxide and propylene oxide; anionic surfactant; and water.
2. The composition for cleaning a vehicle of claim 1, wherein the copolymer is selected from the group consisting of:
Hz HO-(CH2CH20)x— (CH2CHO)y— (CH2CH20)χ-H
wherein each of x, y, and x' is 2-300, and
CH3 CH3
HO-(CHCH2O)x— (CH2CH2O)y ~(CH2CHO)x-H
wherein each of x, y, and x' is 2-300.
3. The composition for cleaning a vehicle of claim 2, wherein the composition comprises at least 50% water by weight .
4. The composition for cleaning a vehicle of claim 2, wherein the composition comprises between 0.5% and 8% of the copolymer by weight.
5. The composition for cleaning a vehicle of claim 2, wherein the anionic surfactant is selected from the group consisting of sulfates, sulfonates, and mixtures thereof.
6. The composition for cleaning a vehicle of claim 2, wherein the anionic surfactant is selected from the group consisting of sodium dodecylbenzene sulfonate, sodium laureth sulfate and mixtures thereof.
7. The composition for cleaning a vehicle of claim 2, wherein anionic surfactant is present in the range of 20% to 45% by weight.
8. The composition for cleaning a vehicle of claim 2, further comprising formaldehyde.
9. The composition for cleaning a vehicle of claim 2, wherein if the composition is used to clean a vehicle followed by a rinsing step with water, the composition is able to assist in causing material to be cleaned from the vehicle to sheet off the vehicle, yet after the vehicle dries the composition does not prohibit additional water from beading on the vehicle.
10. The composition for cleaning a vehicle of claim 1, wherein the copolymer is selected from the group consisting of:
CH3 ?H3
H-(OCH2CH2)y-(OCHCH2)x'\ /(CH2CH0)χ—(CH2CH20)y-H
/N-CH2-CH2"N H-(OCH2CH2)y"-(OCHCH2)x'» (CH2CHO)χ-(CH2CH20)y-H
CH3 CH3
wherein each of x, x', x", x'", y, y', y" , and y '" is 2 500, and
wherein each of x, x' , x" , x"', y, y' , y" , and y'" is 2-500.
11. The composition for cleaning a vehicle of claim 10, wherein the composition comprises at least 50% water by weight .
12. The composition for cleaning a vehicle of claim 10, wherein the composition comprises between 0.5% and 8% of the copolymer by weight .
13. The composition for cleaning a vehicle of claim 10, wherein the anionic surfactant is selected from the group consisting of sulfates, sulfonates, and mixtures thereof .
14. The composition for cleaning a vehicle of claim 10, wherein the anionic surfactant is selected from the group consisting of sodium dodecylbenzene sulfonate, sodium laureth sulfate and mixtures thereof.
15. The composition for cleaning a vehicle of claim
10, wherein anionic surfactant is present in the range of 20% to 45% by weight.
16. The composition for cleaning a vehicle of claim 10, further comprising formaldehyde.
17. The composition for cleaning a vehicle of claim
10, wherein if the composition is used to clean a vehicle followed by a rinsing step with water, the composition is able to assist in causing material to be cleaned from the vehicle to sheet off the vehicle, yet after the vehicle dries the composition does not prohibit additional water from beading on the vehicle.
18. A method of cleaning a surface of a vehicle comprising : applying a composition of claim 1 to the surface; and thereafter rinsing the surface with water.
EP00932659A 1999-05-24 2000-05-19 Car wash cleaner Expired - Lifetime EP1180128B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US31750899A 1999-05-24 1999-05-24
US317508 1999-05-24
PCT/US2000/013925 WO2000071655A1 (en) 1999-05-24 2000-05-19 Car wash cleaner

Publications (2)

Publication Number Publication Date
EP1180128A1 true EP1180128A1 (en) 2002-02-20
EP1180128B1 EP1180128B1 (en) 2005-12-07

Family

ID=23233978

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00932659A Expired - Lifetime EP1180128B1 (en) 1999-05-24 2000-05-19 Car wash cleaner

Country Status (10)

Country Link
EP (1) EP1180128B1 (en)
JP (1) JP2003500524A (en)
AT (1) ATE312153T1 (en)
BR (1) BR0010894A (en)
CA (1) CA2374488A1 (en)
DE (1) DE60024614T2 (en)
ES (1) ES2252007T3 (en)
MX (1) MXPA01012081A (en)
WO (1) WO2000071655A1 (en)
ZA (1) ZA200109697B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7318871B2 (en) 2004-06-16 2008-01-15 The Clorox Company Vehicular cleaning concentrate
US10907118B2 (en) 2018-12-21 2021-02-02 Henkel IP & Holding GmbH Use of ethyleneoxy and propyleneoxy copolymer to control rheology of unit dose detergent pack

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4595526A (en) * 1984-09-28 1986-06-17 Colgate-Palmolive Company High foaming nonionic surfacant based liquid detergent
JPH07119440B2 (en) * 1991-02-25 1995-12-20 日華化学株式会社 Automotive cleaning composition
US5250230A (en) * 1991-12-20 1993-10-05 Henkel Corporation Composition and process for cleaning metals
US5871590A (en) * 1997-02-25 1999-02-16 Ecolab Inc. Vehicle cleaning and drying compositions
ID27323A (en) * 1997-05-16 2001-03-22 Procter & Gamble COMPOSITIONS OF DETERGENT WASHER GEL OR FLUID DETERGENTS FOR WASHING LIGHT LIGHT FILTERS WHICH HAVE CONTROLLED pH AND CHARACTERISTIC OF DAMAGE AND WASTE REMOVAL
US6133217A (en) * 1998-08-28 2000-10-17 Huntsman Petrochemical Corporation Solubilization of low 2-phenyl alkylbenzene sulfonates

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0071655A1 *

Also Published As

Publication number Publication date
DE60024614D1 (en) 2006-01-12
EP1180128B1 (en) 2005-12-07
DE60024614T2 (en) 2006-07-20
JP2003500524A (en) 2003-01-07
CA2374488A1 (en) 2000-11-30
MXPA01012081A (en) 2002-06-04
ZA200109697B (en) 2002-11-26
WO2000071655A1 (en) 2000-11-30
ES2252007T3 (en) 2006-05-16
ATE312153T1 (en) 2005-12-15
BR0010894A (en) 2002-03-05

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