GB2203164A - Washing process for textiles with addition of acid donor - Google Patents
Washing process for textiles with addition of acid donor Download PDFInfo
- Publication number
- GB2203164A GB2203164A GB08808126A GB8808126A GB2203164A GB 2203164 A GB2203164 A GB 2203164A GB 08808126 A GB08808126 A GB 08808126A GB 8808126 A GB8808126 A GB 8808126A GB 2203164 A GB2203164 A GB 2203164A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid donor
- acid
- process according
- detergent
- laundry detergent
- 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
Links
- 239000002253 acid Substances 0.000 title claims abstract description 39
- 238000005406 washing Methods 0.000 title claims abstract description 12
- 239000004753 textile Substances 0.000 title claims abstract description 9
- 239000003599 detergent Substances 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims abstract description 13
- 150000002148 esters Chemical class 0.000 claims abstract description 5
- 150000002596 lactones Chemical class 0.000 claims abstract description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 150000007513 acids Chemical class 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 239000007853 buffer solution Substances 0.000 claims description 2
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims 1
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 150000007524 organic acids Chemical class 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- YVOWOLLEVWDWOH-UHFFFAOYSA-N 2-hydroxyethyl 2-hydroxypropanoate Chemical compound CC(O)C(=O)OCCO YVOWOLLEVWDWOH-UHFFFAOYSA-N 0.000 abstract description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 abstract description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 abstract description 2
- 229940043430 calcium compound Drugs 0.000 abstract description 2
- 150000001674 calcium compounds Chemical group 0.000 abstract description 2
- 239000007795 chemical reaction product Substances 0.000 abstract description 2
- 230000008021 deposition Effects 0.000 abstract description 2
- 235000019253 formic acid Nutrition 0.000 abstract description 2
- 230000007935 neutral effect Effects 0.000 abstract description 2
- 150000003839 salts Chemical class 0.000 abstract description 2
- FEWFXBUNENSNBQ-UHFFFAOYSA-N 2-hydroxyacrylic acid Chemical compound OC(=C)C(O)=O FEWFXBUNENSNBQ-UHFFFAOYSA-N 0.000 abstract 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000872 buffer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000013042 solid detergent Substances 0.000 description 2
- 125000006273 (C1-C3) alkyl group Chemical group 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- ZGTMUACCHSMWAC-UHFFFAOYSA-L EDTA disodium salt (anhydrous) Chemical compound [Na+].[Na+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O ZGTMUACCHSMWAC-UHFFFAOYSA-L 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 239000004115 Sodium Silicate Substances 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 150000001860 citric acid derivatives Chemical class 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- REZZEXDLIUJMMS-UHFFFAOYSA-M dimethyldioctadecylammonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CCCCCCCCCCCCCCCCCC REZZEXDLIUJMMS-UHFFFAOYSA-M 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000004664 distearyldimethylammonium chloride (DHTDMAC) Substances 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002979 fabric softener Substances 0.000 description 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004900 laundering Methods 0.000 description 1
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- ZADYMNAVLSWLEQ-UHFFFAOYSA-N magnesium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[Mg+2].[Si+4] ZADYMNAVLSWLEQ-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000002304 perfume Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- DZCAZXAJPZCSCU-UHFFFAOYSA-K sodium nitrilotriacetate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CC([O-])=O DZCAZXAJPZCSCU-UHFFFAOYSA-K 0.000 description 1
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- -1 softerners Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
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
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2096—Heterocyclic 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
- C11D3/2093—Esters; Carbonates
-
- 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
- C11D3/3761—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in solid 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
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/12—Soft surfaces, e.g. textile
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)
Abstract
In a process for washing textile goods in which the pH of the wash liquor is initially alkaline (e.g. pH 9.5-10.5), the improvement consists in adding an "acid donor" (see below) at the beginning of, or during, the wash cycle so that the alkalinity is lowered (e.g. to a final pH 7.5-9). This reduces the deposition of calcium compounds, and gives a softer handle to the washed goods, especially when using detergent containing softeners. Also disclosed is a laundry detergent in powder form containing "acid donor" in the form of a non-hygroscopic powder. "Acid Donor" is defined as a substance which is itself neutral but is hydrolysed by water to give an organic acid or salt thereof. Examples include lactones (e.g. of poly- alpha -hydroxyacrylic acid) and esters (e.g. ethylene glycol lactate, or the reaction product of ethylene oxide and formic acid).
Description
WASHING PROCESS FCR TEXTILES
The invention relates to a process for the washing of textile substrates.
For a good washing effect, the wash liquor must be alkaline, and is usually adjusted to a pH of approximately 10-10.5. Detergent canpositions often contain buffers to keep the wash liquor in this pH region throughout the entire wash cycle. However, under alkaline conditions hard water gives rise to deposits of calcium carbonate which adversely affect the handle of the washed goods and can disrupt the functioning of the washing machine by formation of a hard crust on heating elements and other parts. Attempts have been made to counteract this problem by adding acidic substances during the wash cycle, but it is difficult to select the right manent for such an addition, and it is troublesane, especially for the housewife, to have to interrupt the wash cycle to add acid.
European patent application 94 723 describes a process in which organic acids are added in a form which avoids reaction with other ccmponents of the detergent ccmposition and ensures that the pH value remains between 5 and 8 during the entire wash cycle.
According to the present invention, there is provided a process for washing textile goods in which the pH of the wash liquor is initially in the alkaline range and is lowered during the wash cycle by the addition of an acid donor.
Preferably, the pH is lowered by up to 4 pH units to a value not less than pH 6, more preferably it is lowered by up to 2 pH units to a value not less than pH 7. Preferably the initial pH is in the range 9.5-10.5, and preferably the final pH is in the range 7.5-9.
By an acid donor is meant a substance which itself is neutral, but which is hydrolysed in water to give rise to an organic acid or, under alkaline conditions, to the salt of such an acid, thereby lowering the pH of the aqueous medium containing the acid donor.
Suitable acid donors include lactones of aliphatic -, ss-, g - or -hydroxycarboxylic acids, particularly t-butyrolactone or the polylactone of poXy-o(-hydroxyacrylic acid; acetins; and esters, for example trialkyl citrates or, preferably, an ester of formula I
in which R is hydrogen, C1-3 alkyl or C13 hydroxyalkyl,
R' has, independently, one of the significances of R
or is a group -CQR, A is -CH2CH2-, -CH2CH2CH2-,
and p is number frcm 1-20, which may be a non-integral
average number
R is preferably hydrogen, methyl or CH3CHOH-;;
R' is preferably hydrogen, formyl or CH3CHOHCO
It may be necessary to carry cut tests to determine the optimum quantity of acid donor required to give the desired final pH value; this will depend on various factors including the alkalinity, quantity and buffer capacity of the detergent used. Such tests are however routine and will not require any inventive ingenuity.
Normally, quantities of from 1 to 4 g acid donor per litre of wash liquor will be sufficient.
The acid donor may be added together with the detergent at the beginning of the wash cycle, and this method of operation is preferred. It is, however, also possible to add the acid donor during the wash cycle.
In either case, the pH of the wash liquor should preferably remain above pH 8 during the heating phase and at the beginning of the washing phase of the wash cycle, and sink to a value of pH 8 or below by the end of the cycle.
The detergent ctmposition used may be any conventional laundry detergent in liquid or powder form, which may contain conventional canponents for example builders, surfactants, bleaching agents, carriers, softerners, antimicrobial agents, enzymes, optical brighteners and perfumes. The process of the present invention is particularly advantageous when the detergent contains a conventional softener.
The acid donor used may be a liquid or a solid. If it is a solid and can be obtained as a non-hygroscopic powder, as for example polyhydroxyacrylic acid lactone, it may advantageously be mixed with a detergent which is in powder form. According to a further aspect of the invention, therefore, there is provided a laundry detergent in powder form containing fran 5 to 35 percent by weight of an acid donor in the form of a non-hygroscopic powder. Such a detergent preferably contains a conventional softener, and preferably does not contain a buffer system.
The washing of soiled textile goods in the presence of an acid donor, according to the invention, may be carried out in conventional manner at the usual range of temperatures. The process is suitable for both danestic and industrial laundering. After the wash cycle the goods are rinsed in conventional manner.
The lowering of the pH during the wash cycle reduces the deposition of calcium compounds, and gives a softer handle to the washed goods. The effect on handle is particularly noteworthy when detergents containing softeners are used.
The following Examples, in which all temperatures are in degrees centigrade, illustrate the invention.
Example 1
A 100 g sample of a cotton test fabric, soiled with 4.75 g of a fat/oil mixture, is washed together with 4 Kg of textile ballast in a washing machine, using 10 1 of water of 18 dH hardness. A 600 wash cycle is selected, and 8 g/l of a standard commercial powder detergent, containing a fabric softener, is added together with 1 g/1 of the reaction product of 1.7 moles ethylene oxide with 1 mole of 85% formic acid. The wash cycle at 600 is complete after 23 minutes, and the goods are then rinsed and dried.
The pH value at the start of the wash cycle immediately after addition of acid donor is 9.3 and at the end is 8.8.
When 2 g/l of the acid donor are used, the final pH is 7.6, and when 4 g/l are added, a final pH of 6.5 is reached.
A clean wash with soft handle is obtained.
When the wash cycle is carried out without addition of acid donor the initial and final pH values are 10 and 9.6 respectively.
Example 2
The process of Example 1 is repeated using as acid donor ethylene glycol lactate. the final pH values are: 1 g/l, 9.2; 2 g/l, 8.6; 4 g/l, 8.1.
Example 3
The process of Example 1 is repeated using as acid donor poly-ct -hydroxyacrylic acid lactone in powder form. 0.5 g/l gives a final pH of 9.2, 1 g/l 8.7 and 2 g/l 7.7.
Example 4
A solid detergent ccmposition containing an acid donor in powder form canprises the following ingredients:
8.0 parts sodium dodecylbenzene sulfonate
2.9 parts ethoxylated(l4)tallow alcohol
3.5 parts sodium stearate
20.0 parts zeolite
5.0 parts sodium nitrilotriacetate
7.5 parts sodium silicate (SiO2/Na20=3,3/1) 1.9 parts magnesium silicate
1.2 parts carboxymethylcellulose
0.5 parts sodium ethylenediamine tetraacetate
21.2 parts sodium sulfate
8.0 parts distearyldimethylammonium chloride (75% solution)
12.5 parts polylactone of poly-d(-hydroxyacrylic acid
7.8 parts water
100.0 parts.
Example 5
The process of Example 1 is repeated using the solid detergent ccmposition of Example 4. The pH value at the start of the wash cycle is 9.7 and at the end is 7.3.
Claims (15)
1. A process for washing textile goods in which the pH of the wash liquor is initially in the alkaline range and is lowered during the wash cycle by the addition of an acid donor.
2. A process according to Claim 1 in which the pH is lowered by up to 4 units to a value not less than pH 6.
3. A process according to Claim 2 in which the pH is lowered by up to 2 units to a value not less than pH 7.
4. A process according to any one of Claims 1-3 in which the initial pH is in the range 9.5-10.5 and in which the final pH is in the range 7.5-9.
5. A process according to any one of the preceding claims in which the acid donor is selected frcm the group consisting of lactones of aliphatic i -, r γ- or -hydroxycarboxylic acids, acetins and esters.
6. A process according to Claim 5 in which the acid donor is the polylactone of poly--hydroxyacrylic acid.
7. A process according to Claim 5 in which the acid donor is an ester of formula I
in which R is hydrogen, C13 alkyl or C13 hydroxyalkyl,
R' has, independently, one of the significances of R
or is a group -COR, A is -CH2CH2-, -CH2CH2CH2-,
and p is number fran 1-20, which may be a non-integral
average number.
8. A process according to Claim 1 in which the acid donor is added together -with the detergent at the beginning of the wash cycle.
9. A process according to Claim 8 in which the acid donor is part of the detergent canposition in powder form.
10. A process for washing textile goods as described in any one of Examples 1-5.
11. A laundry detergent in powder form containing fran 5 to 35 percent by weight of an acid donor in the form of a non-hygroscopic powder.
12. A laundry detergent according to Claim 11 which also contains a conventional softener.
13. A laundry detergent according to Claim 11 which d does s not contain a buffer system.
14. A laundry detergent according to any one of Claims 11-13 in which the acid donor is the polylactone of poly-c(-hydroxyacrylic acid.
15. A laundry detergent as described in any one of Examples 1-5.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3712061 | 1987-04-09 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB8808126D0 GB8808126D0 (en) | 1988-05-11 |
| GB2203164A true GB2203164A (en) | 1988-10-12 |
| GB2203164B GB2203164B (en) | 1991-05-29 |
Family
ID=6325265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8808126A Expired - Lifetime GB2203164B (en) | 1987-04-09 | 1988-04-07 | Washing process for textiles and detergent composition |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS63270859A (en) |
| FR (1) | FR2613736A1 (en) |
| GB (1) | GB2203164B (en) |
| IT (1) | IT1219521B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5377536B2 (en) * | 2010-03-09 | 2013-12-25 | ローム アンド ハース カンパニー | Scale reducing additives for automatic dishwashing systems |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1398772A (en) * | 1971-06-17 | 1975-06-25 | Hentschel V S E | Detegents |
| GB1501984A (en) * | 1974-06-05 | 1978-02-22 | Huels Chemische Werke Ag | Controlled-foam washing cleaning and dishwashing compositions |
| GB1594596A (en) * | 1977-02-04 | 1981-07-30 | Prod Sandoz Sa | Textile teatment process and composition for use therein |
| GB2140470A (en) * | 1983-05-23 | 1984-11-28 | Sandoz Ltd | A textile finishing process |
| EP0200264A2 (en) * | 1985-05-03 | 1986-11-05 | The Procter & Gamble Company | Homogeneous concentrated liquid detergent compositions containing a monoester of a dicarboxylic acid |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA771556B (en) * | 1976-04-22 | 1978-10-25 | Colgate Palmolive Co | Transparent detergent pellets |
| AU543358B2 (en) * | 1979-10-19 | 1985-04-18 | Unilever Ltd. | Detergent containing bicarbonate particles |
| US4363763A (en) * | 1980-02-25 | 1982-12-14 | The Procter & Gamble Company | Polyol esters of alpha-hydroxy carboxylic acids |
| CA1153268A (en) * | 1981-07-29 | 1983-09-06 | Greer (W.E.) Ltd. | Composition for washing fabric |
-
1988
- 1988-03-30 FR FR8804355A patent/FR2613736A1/en active Pending
- 1988-04-05 IT IT47813/88A patent/IT1219521B/en active
- 1988-04-07 GB GB8808126A patent/GB2203164B/en not_active Expired - Lifetime
- 1988-04-07 JP JP63084227A patent/JPS63270859A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1398772A (en) * | 1971-06-17 | 1975-06-25 | Hentschel V S E | Detegents |
| GB1501984A (en) * | 1974-06-05 | 1978-02-22 | Huels Chemische Werke Ag | Controlled-foam washing cleaning and dishwashing compositions |
| GB1594596A (en) * | 1977-02-04 | 1981-07-30 | Prod Sandoz Sa | Textile teatment process and composition for use therein |
| GB2140470A (en) * | 1983-05-23 | 1984-11-28 | Sandoz Ltd | A textile finishing process |
| EP0200264A2 (en) * | 1985-05-03 | 1986-11-05 | The Procter & Gamble Company | Homogeneous concentrated liquid detergent compositions containing a monoester of a dicarboxylic acid |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2203164B (en) | 1991-05-29 |
| JPS63270859A (en) | 1988-11-08 |
| IT8847813A0 (en) | 1988-04-05 |
| IT1219521B (en) | 1990-05-18 |
| GB8808126D0 (en) | 1988-05-11 |
| FR2613736A1 (en) | 1988-10-14 |
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