EP0145065B1 - Detergents - Google Patents
Detergents Download PDFInfo
- Publication number
- EP0145065B1 EP0145065B1 EP84201677A EP84201677A EP0145065B1 EP 0145065 B1 EP0145065 B1 EP 0145065B1 EP 84201677 A EP84201677 A EP 84201677A EP 84201677 A EP84201677 A EP 84201677A EP 0145065 B1 EP0145065 B1 EP 0145065B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- detergent
- component
- concentrate according
- salts
- detergent concentrate
- 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.)
- Expired - Lifetime
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
- 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
- C11D1/146—Sulfuric 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
- C11D1/02—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
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
Definitions
- the invention relates to aqueous detergent concentrates which, after dilution, preferably after mixing with the desired quantity of water, can be used for cleaning, amongst other things, dishes and fabrics.
- the concentrates consist of an aqueous solution containing at least three components with cleansing action. These components, which will be specified in greater detail below, are collectively referred to by the term "active detergent".
- Concentrates are convenient for storage and transport, but for the final users it is of course the properties of the washing liquid obtained by dilution that are important. There is a danger that dilution can cause the viscosity to drop excessively, especially if the active detergent consists of alkylaryl sulphonate and one or more polyethyleneglycol ethers of primary or secondary higher alcohols and/or of alkylphenols. A large viscosity drop on dilution is unacceptable for buyers of the detergent concentrates, especially housewives, and should therefore be avoided.
- the invention therefore relates to an aqueous detergent concentrate, characterized in that in addition to water it contains an active detergent comprising the following components.
- the detergent concentrate preferably contains at least 10% wt, and in most cases not more than 70% wt, relative to the weight of the concentrate, of the active detergent.
- the salts of component (a) and (c) are preferably alkali, ammonium and/or amine salts.
- Alkali salts are most preferred, especially sodium salts.
- Component (a) is preferably a salt of an alkylbenzene sulphonic acid, especially one with 8-16 carbon atoms in the alkyl group.
- the carbon atoms in the alkyl group in component (a) preferably form a straight chain.
- the polyethyleneglycol ethers of primary or secondary alcohols in component (b) satisfy the general formula (R-(OC2H4)"OH, in which R is an alkyl group with 8-18 carbon atoms and n represents an integer varying from 5 to 12.
- R is an alkyl group with 8-18 carbon atoms and n represents an integer varying from 5 to 12.
- the carbon atoms in the alkyl group R preferably form a straight chain.
- the salts of components (c) are preferably alkali, ammonium and/or amine salts. Alkali salts are most preferred, especially sodium salts.
- the alcohol from which component (c) is derived is preferably a primary or secondary alcohol. The carbon atoms in this alkanol preferably form a straight chain.
- component (d) consisting of one or more salts of sulphated alcohol ethoxylates and/or of sulphated alkylphenolethoxylates.
- the salts of component (d) are preferably alkali, ammonium and/or amine salts. Alkali salts are most preferred, especially sodium salts.
- Component (d) is preferably a sulphated alcohol ethoxylate, such as the sulphated ethoxylate of primary or secondary alcohols with straight or branched chains, especially of alcohol mixtures.
- Component (d) is preferably a sulphated ethoxylate of C e -C, 8 alkanols, especially of C,2-C,e alkanols.
- the alkanols are preferably primary and have mainly straight chains, i.e. they are less than 30% branched.
- the most satisfactory alcohols are obtained by hydroformylation of olefins.
- the sulphated ethoxylates are prepared from these alcohols by first reaching them with ethylene oxide, suitably in such a quantity that on average 1 to 15, especially 2 to 4 mol ethylene oxide per mol alcohol (or alcohol mixture) is added, followed by sulphation of the ethoxylate and neutralization to the sulphated alcohol ethoxylate.
- Suitable sulphated alkylphenolethoxylates are sulphated C4-C,s alkylphenolethoxylates with an average of 1 to 12, especially 1 to 5 mol ethylene oxide per mol alkylphenol. Mixtures of sulphated alcohol ethoxylates and sulphated alkylphenolethoxylates can be used.
- composition of the aqueous detergent concentrate according to the invention contains an active detergent comprising 50-70% wt of component (a) 5-30% wt of component (b) and 0.1-25% wt of component (c).
- Component (d), if present, is preferably present in a quantity of 0.1-25% wt.
- the most preferred concentrates contain 50-70% wt of component (a), 15-25% wt of component (b), 1-25% wt of component (c) and 5-25% wt of component (d). All weight percentages are calculated as activce detergent component on the total of the active detergent.
- the previously mentioned viscosity drop on dilution while retaining a low transparency point is reduced even more by the presence of MgS0 4 in the concentrate.
- the quantity of MgS0 4 absorbed in the detergent concentrates depends on the nature and the quantities of the other constituents, as well as on the desired viscosity in undiluted and diluted state. In general, preference is given to quantities between 0.05 and 10% wt relative to the weight of the aqueous concentrate.
- An additional advantage of the present invention is that in general no solubilizing agent needs to be added to this aqueous detergent concentrate in order to improve the solubility of the active detergent, so that the composition of the concentrates remains homogeneous during transport and storage, provided that the temperature does not drop to abnormally low levels.
- a useful criterion in practice is to assume that the transparency point should not be above about 5°C. If it is nevertheless desired to add a solubilizing agent, use can be made of, for example, urea, alkanols with 1-4 carbon atoms per molecule, e.g.
- 2-propanol and the sodium, potassium, and ammonium salts of arylsulphonic acids substituted with one or more alkyl groups having 1-4 carbon atoms, such as toluene sulphonic acid and xylene sulphonic acid.
- arylsulphonic acids substituted with one or more alkyl groups having 1-4 carbon atoms, such as toluene sulphonic acid and xylene sulphonic acid.
- an alkali salt of an alkyl-substituted aryl sulphonic acid e.g. sodium xylene sulphonate
- a lower alcohol e.g. 2-propanol.
- the content of solubilizing agent in the concentrates is preferably between 0 and 30% wt, calculated on the total quantity of active detergent.
- Component (a) was the sodium salt of "DOBANIC ACID".
- DOBANIC ACID is a trade mark for a mixture of n-alkylbenze sulphonic acids with 8-13 carbon atoms in the alkyl group.
- the intermediate product used for its preparation, C S -C 13 alkylbenzene, was obtained by alkylation of benzene with a mixture of C S -C 13 olefins obtained by thermal cracking of paraffin wax. These olefins consisted mainly of olefins with a terminal double carbon-carbon bond.
- Component (b) was "DOBANOL” 91-8.
- “DOBANOL” 91-8 is a trade mark for a mixture of polyethyleneglycol ethers obtained by ethoxylation linear primary alkanols with 9-11 carbon atoms per molecule and which contain an average of 8 ethylene oxide groups per molecule. The alkanols consist mainly of 80% straight-chained and 20% alkyl (mainly 2-methyl) isomers.
- Component (c) was "TEEPOL:HB6".
- “TEEPOL:HB6” is a trademark for an aqueous solution of a mixture of sodium salts of sulphated primary alkanols.
- Component (d) was "DOBANOL” 25-3S”.
- DOBANOL 25 ⁇ 3S is a trade mark for a mixture of polyethyleneglycol ethers obtained by ethoxylation of linear primary alkanols with 12-15 carbon atoms per molecule and which contains an average of 3 ethylene oxide groups per molecule.
- detergent concentrates were prepared by mixing, at room temperature, water and the components listed in Table II.
- Component (a) contained for the sodium salt of "DOBANIC ACID".
- Components (b), (c) and (d) were the same as those used in examples 1-8. From each of these concentrates were prepared three diluted aqueous solutions, containing 37, 35 and 30 weight per cent active detergent.
Abstract
Description
- The invention relates to aqueous detergent concentrates which, after dilution, preferably after mixing with the desired quantity of water, can be used for cleaning, amongst other things, dishes and fabrics. The concentrates consist of an aqueous solution containing at least three components with cleansing action. These components, which will be specified in greater detail below, are collectively referred to by the term "active detergent".
- As is known, it is necessary in practice for both the concentrate and the ready-to-use washing liquid to meet certain requirements in respect of viscosity and transparency point, which is the temperature at which turbidity, caused by precipitation of solids after strong cooling, completely disappears.
- Concentrates are convenient for storage and transport, but for the final users it is of course the properties of the washing liquid obtained by dilution that are important. There is a danger that dilution can cause the viscosity to drop excessively, especially if the active detergent consists of alkylaryl sulphonate and one or more polyethyleneglycol ethers of primary or secondary higher alcohols and/or of alkylphenols. A large viscosity drop on dilution is unacceptable for buyers of the detergent concentrates, especially housewives, and should therefore be avoided.
- It has now been found that by adding a salt of a sulphate alcohol to a detergent concentrate of the above-mentioned sort, the undesired viscosity drop on dilution can be greatly reduced while retaining a low transparency point.
- The invention therefore relates to an aqueous detergent concentrate, characterized in that in addition to water it contains an active detergent comprising the following components.
-
- (a) 50 to 70% wt of one or more salts of an alkylaryl sulphonic acid,
- (b) 5 to 30% wt of one or more polyethyleneglycol ethers of primary or secondary alcohols with the general formulae (R(OC2H4)n―OH, in which R represents an alkyl group with 8-18 carbon atoms and n is an integer varying from 5 to 12, and
- (c) 0.1 to 25% wt of one or more salts of sulphated alkanols with 6-16 carbon atoms per molecule.
- The detergent concentrate preferably contains at least 10% wt, and in most cases not more than 70% wt, relative to the weight of the concentrate, of the active detergent.
- The salts of component (a) and (c) are preferably alkali, ammonium and/or amine salts. Alkali salts are most preferred, especially sodium salts.
- Component (a) is preferably a salt of an alkylbenzene sulphonic acid, especially one with 8-16 carbon atoms in the alkyl group. The carbon atoms in the alkyl group in component (a) preferably form a straight chain.
- The polyethyleneglycol ethers of primary or secondary alcohols in component (b) satisfy the general formula (R-(OC2H4)"OH, in which R is an alkyl group with 8-18 carbon atoms and n represents an integer varying from 5 to 12. The carbon atoms in the alkyl group R preferably form a straight chain.
- The salts of components (c) are preferably alkali, ammonium and/or amine salts. Alkali salts are most preferred, especially sodium salts. The alcohol from which component (c) is derived is preferably a primary or secondary alcohol. The carbon atoms in this alkanol preferably form a straight chain.
- The previous mentioned undesirable viscosity drop on dilution while retaining a low transparency point is reduced even more if the active detergent also contains a component (d) consisting of one or more salts of sulphated alcohol ethoxylates and/or of sulphated alkylphenolethoxylates. The salts of component (d) are preferably alkali, ammonium and/or amine salts. Alkali salts are most preferred, especially sodium salts. Component (d) is preferably a sulphated alcohol ethoxylate, such as the sulphated ethoxylate of primary or secondary alcohols with straight or branched chains, especially of alcohol mixtures. Component (d) is preferably a sulphated ethoxylate of Ce-C,8 alkanols, especially of C,2-C,e alkanols. The alkanols are preferably primary and have mainly straight chains, i.e. they are less than 30% branched. The most satisfactory alcohols are obtained by hydroformylation of olefins. The sulphated ethoxylates are prepared from these alcohols by first reaching them with ethylene oxide, suitably in such a quantity that on average 1 to 15, especially 2 to 4 mol ethylene oxide per mol alcohol (or alcohol mixture) is added, followed by sulphation of the ethoxylate and neutralization to the sulphated alcohol ethoxylate. Suitable sulphated alkylphenolethoxylates are sulphated C4-C,s alkylphenolethoxylates with an average of 1 to 12, especially 1 to 5 mol ethylene oxide per mol alkylphenol. Mixtures of sulphated alcohol ethoxylates and sulphated alkylphenolethoxylates can be used.
- The composition of the aqueous detergent concentrate according to the invention contains an active detergent comprising 50-70% wt of component (a) 5-30% wt of component (b) and 0.1-25% wt of component (c). Component (d), if present, is preferably present in a quantity of 0.1-25% wt. The most preferred concentrates contain 50-70% wt of component (a), 15-25% wt of component (b), 1-25% wt of component (c) and 5-25% wt of component (d). All weight percentages are calculated as activce detergent component on the total of the active detergent.
- The previously mentioned viscosity drop on dilution while retaining a low transparency point is reduced even more by the presence of MgS04 in the concentrate. The quantity of MgS04 absorbed in the detergent concentrates depends on the nature and the quantities of the other constituents, as well as on the desired viscosity in undiluted and diluted state. In general, preference is given to quantities between 0.05 and 10% wt relative to the weight of the aqueous concentrate.
- An additional advantage of the present invention is that in general no solubilizing agent needs to be added to this aqueous detergent concentrate in order to improve the solubility of the active detergent, so that the composition of the concentrates remains homogeneous during transport and storage, provided that the temperature does not drop to abnormally low levels. A useful criterion in practice is to assume that the transparency point should not be above about 5°C. If it is nevertheless desired to add a solubilizing agent, use can be made of, for example, urea, alkanols with 1-4 carbon atoms per molecule, e.g. 2-propanol, and the sodium, potassium, and ammonium salts of arylsulphonic acids substituted with one or more alkyl groups having 1-4 carbon atoms, such as toluene sulphonic acid and xylene sulphonic acid. When using an alkali salt of an alkyl-substituted aryl sulphonic acid, e.g. sodium xylene sulphonate, it can be favourable also to add a lower alcohol, e.g. 2-propanol. The content of solubilizing agent in the concentrates is preferably between 0 and 30% wt, calculated on the total quantity of active detergent.
- The invention will be further illustrated with the aid of the following examples.
- Eleven detergent concentrates were prepared by mixing, at room temperature, water and components (a), (b), (c) and (d) listed in Table I. Component (a) was the sodium salt of "DOBANIC ACID". "DOBANIC ACID" is a trade mark for a mixture of n-alkylbenze sulphonic acids with 8-13 carbon atoms in the alkyl group. The intermediate product used for its preparation, CS-C13 alkylbenzene, was obtained by alkylation of benzene with a mixture of CS-C13 olefins obtained by thermal cracking of paraffin wax. These olefins consisted mainly of olefins with a terminal double carbon-carbon bond. Component (b) was "DOBANOL" 91-8. "DOBANOL" 91-8 is a trade mark for a mixture of polyethyleneglycol ethers obtained by ethoxylation linear primary alkanols with 9-11 carbon atoms per molecule and which contain an average of 8 ethylene oxide groups per molecule. The alkanols consist mainly of 80% straight-chained and 20% alkyl (mainly 2-methyl) isomers. Component (c) was "TEEPOL:HB6". "TEEPOL:HB6" is a trademark for an aqueous solution of a mixture of sodium salts of sulphated primary alkanols. Component (d) was "DOBANOL" 25-3S". "DOBANOL" 25―3S" is a trade mark for a mixture of polyethyleneglycol ethers obtained by ethoxylation of linear primary alkanols with 12-15 carbon atoms per molecule and which contains an average of 3 ethylene oxide groups per molecule.
- From each of the eleven concentrates were prepared three diluted aqueous solutions, containing 37, 35 and 30 weight per cent of active detergent. The viscosity (in mm2/s at 20°C) and the transparency point of the thus obtained solutions were determined. The results are given in Table I. It can be seen that for examples 1-8 according to the invention the viscosity drop on dilution is considerably less than for the comparative examples A-C, which are not in accordance with the invention. It can also be seen that a much lower transparency point was observed for the examples than for the comparative examples.
- Four detergent concentrates were prepared by mixing, at room temperature, water and the components listed in Table II. Component (a) contained for the sodium salt of "DOBANIC ACID". The intermediate product used for its preparation, C8―C13 alkylbenzene, was obtained by alkylation of benzene with a mixture of linear C8―C13 olefins with mainly non-terminal double carbon-carbon bonds. Components (b), (c) and (d) were the same as those used in examples 1-8. From each of these concentrates were prepared three diluted aqueous solutions, containing 37, 35 and 30 weight per cent active detergent. Of each of the diluted solutions thus obtained, the viscosity was measured in mm2/s at 20°C and the transparency point was determined, this being done with the solutions as such and also after addition of 0.2 and after addition of 0.4% wt MgS04, calculated on the diluted solution. Table II shows the results obtained. It can be seen that the viscosity drop of the diluted solutions was considerably reduced, especially for the ones to which MgS04 was added. Moreover, a low transparency point was observed.
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT84201677T ATE51889T1 (en) | 1983-12-02 | 1984-11-20 | CLEANING SUPPLIES. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8304144A NL8304144A (en) | 1983-12-02 | 1983-12-02 | DETERGENT CONCENTRATES. |
NL8304144 | 1983-12-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0145065A2 EP0145065A2 (en) | 1985-06-19 |
EP0145065A3 EP0145065A3 (en) | 1986-02-19 |
EP0145065B1 true EP0145065B1 (en) | 1990-04-11 |
Family
ID=19842809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP84201677A Expired - Lifetime EP0145065B1 (en) | 1983-12-02 | 1984-11-20 | Detergents |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0145065B1 (en) |
JP (1) | JPH068433B2 (en) |
AT (1) | ATE51889T1 (en) |
CA (1) | CA1231028A (en) |
DE (1) | DE3481920D1 (en) |
DK (1) | DK168219B1 (en) |
NL (1) | NL8304144A (en) |
NZ (1) | NZ210381A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3619358A1 (en) * | 1986-06-09 | 1987-12-10 | Henkel Kgaa | AQUEOUS PREPARATIONS OF SODIUM LAURYL AND MYRISTYL SULFATE WITH A LOW TURBET POINT |
GB8625104D0 (en) * | 1986-10-20 | 1986-11-26 | Unilever Plc | Detergent compositions |
GB9105808D0 (en) * | 1991-03-19 | 1991-05-01 | Shell Int Research | A liquid aqueous concentrated alkylsulphate composition |
DE4333224A1 (en) * | 1993-09-30 | 1995-04-06 | Henkel Kgaa | Paste-shaped textile detergent |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0123423A2 (en) * | 1983-03-26 | 1984-10-31 | The Procter & Gamble Company | Detergent compositions, detergent liquors and method for their preparation |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE623881A (en) * | ||||
BE623882A (en) * | ||||
NL89559C (en) * | 1957-08-22 | 1958-11-15 | ||
FR1251853A (en) * | 1959-03-23 | 1961-01-20 | Shell Int Research | Liquid detergent compositions |
GB1008697A (en) * | 1962-07-12 | 1965-11-03 | Shell Int Research | Detergent compositions |
AU2373767A (en) * | 1966-08-12 | 1969-01-09 | W. R. Grace & Co | Rinse and compositions |
AT335033B (en) * | 1974-08-29 | 1977-02-25 | Henkel & Cie Gmbh | LIQUID TO PASTE DETERGENT CONCENTRATE AND CLEANING AGENT CONCENTRATE AND PROCESS FOR THE PRODUCTION THEREOF |
US3998750A (en) * | 1975-06-30 | 1976-12-21 | The Procter & Gamble Company | Liquid detergent composition |
JPS5586894A (en) * | 1978-12-25 | 1980-07-01 | Kao Corp | Liquid detergent composition |
EP0039110B1 (en) * | 1980-04-24 | 1985-01-02 | THE PROCTER & GAMBLE COMPANY | Liquid detergent compositions |
DE3124549A1 (en) * | 1981-06-23 | 1982-12-30 | Jacob 6630 Saarlouis Maurer | Biodegradable composition for removing waxes and/or preservatives |
EP0100125B1 (en) * | 1982-07-27 | 1988-12-07 | THE PROCTER & GAMBLE COMPANY | Liquid detergent compositions comprising coacervate mixture of alkylcellulose and carboxymethylcellulose and method for preparing them |
GB8313348D0 (en) * | 1983-05-14 | 1983-06-22 | Procter & Gamble Ltd | Liquid detergent compositions |
JPH0447000A (en) * | 1990-06-15 | 1992-02-17 | Mitsubishi Petrochem Co Ltd | Detergent composition for hard surface |
-
1983
- 1983-12-02 NL NL8304144A patent/NL8304144A/en not_active Application Discontinuation
-
1984
- 1984-11-13 CA CA000467601A patent/CA1231028A/en not_active Expired
- 1984-11-20 AT AT84201677T patent/ATE51889T1/en active
- 1984-11-20 EP EP84201677A patent/EP0145065B1/en not_active Expired - Lifetime
- 1984-11-20 DE DE8484201677T patent/DE3481920D1/en not_active Expired - Fee Related
- 1984-11-29 JP JP59250699A patent/JPH068433B2/en not_active Expired - Lifetime
- 1984-11-29 NZ NZ210381A patent/NZ210381A/en unknown
- 1984-11-29 DK DK568884A patent/DK168219B1/en not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0123423A2 (en) * | 1983-03-26 | 1984-10-31 | The Procter & Gamble Company | Detergent compositions, detergent liquors and method for their preparation |
Also Published As
Publication number | Publication date |
---|---|
NZ210381A (en) | 1987-10-30 |
EP0145065A2 (en) | 1985-06-19 |
JPH068433B2 (en) | 1994-02-02 |
DE3481920D1 (en) | 1990-05-17 |
DK168219B1 (en) | 1994-02-28 |
NL8304144A (en) | 1985-07-01 |
DK568884D0 (en) | 1984-11-29 |
ATE51889T1 (en) | 1990-04-15 |
EP0145065A3 (en) | 1986-02-19 |
JPS60135496A (en) | 1985-07-18 |
CA1231028A (en) | 1988-01-05 |
DK568884A (en) | 1985-06-03 |
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