EP0879876A1 - Verfahren zur Herstellung einer körnigen Reinigungsmittelzusammensetzung oder Komponente, die ein wasserlösliches kationisches Tensid enthält - Google Patents

Verfahren zur Herstellung einer körnigen Reinigungsmittelzusammensetzung oder Komponente, die ein wasserlösliches kationisches Tensid enthält Download PDF

Info

Publication number: EP0879876A1
Authority: EP; European Patent Office
Prior art keywords: water; weight; cationic surfactant; detergent composition; soluble
Prior art date: 1997-05-21
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP97201517A

Other languages

English (en)

French (fr)

Inventor

Christopher Andrew Morrison

Carole Patricia Denise Wilkinson

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.)

Procter and Gamble Co

Original Assignee

Procter and Gamble Co

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.)

1997-05-21

Filing date

1997-05-21

Publication date

1998-11-25

1997-05-21 Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co

1997-05-21 Priority to EP97201517A priority Critical patent/EP0879876A1/de

1998-05-13 Priority to PCT/IB1998/000712 priority patent/WO1998053037A1/en

1998-05-20 Priority to MA25083A priority patent/MA24550A1/fr

1998-05-21 Priority to ARP980102359 priority patent/AR015327A1/es

1998-11-25 Publication of EP0879876A1 publication Critical patent/EP0879876A1/de

Status Withdrawn legal-status Critical Current

Links

239000003093 cationic surfactant Substances 0.000 title claims abstract description 31
238000000034 method Methods 0.000 title claims abstract description 19
239000000203 mixture Substances 0.000 title claims description 23
239000003599 detergent Substances 0.000 title claims description 21
238000002360 preparation method Methods 0.000 title claims description 4
238000001035 drying Methods 0.000 claims abstract description 23
239000007864 aqueous solution Substances 0.000 claims abstract description 18
239000006185 dispersion Substances 0.000 claims abstract description 12
239000007921 spray Substances 0.000 claims abstract description 10
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 8
239000004115 Sodium Silicate Substances 0.000 claims description 8
150000003242 quaternary ammonium salts Chemical class 0.000 claims description 6
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 6
229910052911 sodium silicate Inorganic materials 0.000 claims description 6
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 5
229910052681 coesite Inorganic materials 0.000 claims description 5
229910052906 cristobalite Inorganic materials 0.000 claims description 5
125000002768 hydroxyalkyl group Chemical group 0.000 claims description 5
239000000377 silicon dioxide Substances 0.000 claims description 5
229910052682 stishovite Inorganic materials 0.000 claims description 5
229910052905 tridymite Inorganic materials 0.000 claims description 5
235000012239 silicon dioxide Nutrition 0.000 claims description 4
125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
125000000217 alkyl group Chemical group 0.000 description 9
239000007789 gas Substances 0.000 description 9
125000003342 alkenyl group Chemical group 0.000 description 6
150000004760 silicates Chemical class 0.000 description 6
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 4
125000004432 carbon atom Chemical group C* 0.000 description 4
229910052708 sodium Inorganic materials 0.000 description 4
239000011734 sodium Substances 0.000 description 4
238000001694 spray drying Methods 0.000 description 4
239000004094 surface-active agent Substances 0.000 description 4
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
239000003795 chemical substances by application Substances 0.000 description 3
239000000463 material Substances 0.000 description 3
229910021653 sulphate ion Inorganic materials 0.000 description 3
125000004178 (C1-C4) alkyl group Chemical group 0.000 description 2
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical group [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
239000007844 bleaching agent Substances 0.000 description 2
HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
238000001704 evaporation Methods 0.000 description 2
230000008020 evaporation Effects 0.000 description 2
239000004744 fabric Substances 0.000 description 2
239000000945 filler Substances 0.000 description 2
239000004615 ingredient Substances 0.000 description 2
229910021527 natrosilite Inorganic materials 0.000 description 2
-1 optical brighteners Substances 0.000 description 2
239000000843 powder Substances 0.000 description 2
235000019351 sodium silicates Nutrition 0.000 description 2
239000002689 soil Substances 0.000 description 2
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
229910000503 Na-aluminosilicate Inorganic materials 0.000 description 1
239000004902 Softening Agent Substances 0.000 description 1
229910021536 Zeolite Inorganic materials 0.000 description 1
239000012190 activator Substances 0.000 description 1
229910000323 aluminium silicate Inorganic materials 0.000 description 1
239000003945 anionic surfactant Substances 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
239000003086 colorant Substances 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
NGXROVHZXLJEJG-UHFFFAOYSA-M ethyl-hydroxy-dimethylazanium;chloride Chemical compound [Cl-].CC[N+](C)(C)O NGXROVHZXLJEJG-UHFFFAOYSA-M 0.000 description 1
239000000499 gel Substances 0.000 description 1
239000008187 granular material Substances 0.000 description 1
238000005469 granulation Methods 0.000 description 1
239000008202 granule composition Substances 0.000 description 1
125000000623 heterocyclic group Chemical group 0.000 description 1
229910052739 hydrogen Chemical group 0.000 description 1
239000001257 hydrogen Chemical group 0.000 description 1
125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
239000003112 inhibitor Substances 0.000 description 1
229910010272 inorganic material Inorganic materials 0.000 description 1
239000011147 inorganic material Substances 0.000 description 1
239000011159 matrix material Substances 0.000 description 1
229910052757 nitrogen Inorganic materials 0.000 description 1
125000004433 nitrogen atom Chemical group N* 0.000 description 1
230000003287 optical effect Effects 0.000 description 1
125000004430 oxygen atom Chemical group O* 0.000 description 1
239000002304 perfume Substances 0.000 description 1
150000003856 quaternary ammonium compounds Chemical class 0.000 description 1
230000015227 regulation of liquid surface tension Effects 0.000 description 1
239000000429 sodium aluminium silicate Substances 0.000 description 1
235000012217 sodium aluminium silicate Nutrition 0.000 description 1
URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
159000000000 sodium salts Chemical class 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
125000001424 substituent group Chemical group 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
125000004434 sulfur atom Chemical group 0.000 description 1
239000000375 suspending agent Substances 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
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/62—Quaternary ammonium 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
- C11D11/00—Special methods for preparing compositions containing mixtures of detergents
- C11D11/02—Preparation in the form of powder by spray drying
- 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
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/08—Silicates

Definitions

the present invention provides a process for the preparation of granular detergent composition or component comprising a water-soluble cationic surfactant, and also provides granular detergent composition or component obtainable by the process.
Cationic surfactants are well-known detergent ingredients which are used, in particular, for imparting a soft feel to fabrics after they have been washed.
the most commonly used cationic surfactants are commercially available as aqueous solutions, typically with a surfactant activity of about 35% or 40%.
Various techniques are known to dry the aqueous solutions to form powders, however these techniques have a number of disadvantages. Expensive equipment may be required, and the process may require temperatures which cause the cationic surfactant to degrade. The products prepared in this way tend to be sticky which makes subsequent handling and processing difficult.
simply adding cationic surfactant in the form a fine powder to a granular detergent matrix significantly impairs the dispensing properties of the product for example by forming sticky, viscous gels upon contact with water.
EP-A-0 714 976 published on 5th June 1996, describes a process for spray drying cationic surfactant in the presence of low levels of anionic surfactants.
the counter-current spray drying process described requires high temperatures which can cause some cationic surfactants to degrade.
the object of the invention is to provide a process for incorporating aqueous solutions of cationic surfactants into free-flowing, high bulk density, high active detergent granules and to avoid any degredation of the cationic surfactants, especially those with alkyl chains of C10 or less, due to high temperatures.
a further object of the invention is to provide detergent granule composition which comprise cationic surfactants and which provide good dispensing properties when used as a component of a laundry product.
drying step is carried out in a co-current spray dryer and the drying gas is air.
the aqueous solution or dispersion also comprises water-soluble silicate.
a suitable water-soluble silicate is sodium silicate having a ratio of SiO2 to Na2O is from 0.5 to 3.3, preferably from 1.0 to 2.4.
the water-soluble cationic surfactant is a quaternary ammonium salt having the general formula R1R2R3R4 N + and wherein R1 is a C6 to C10 alkyl chain and R2, R3, and R4 are C1 to C7 alkyl or hydroxy alkyl chains
the invention also relates to a granular detergent composition or component comprising:
the aqueous solution or dispersion of cationic surfactant is dried to remove water and form a free-flowing granular product.
the drying step is carried out with a drying gas having a temperature of less than 250°C, preferably in a concurrent spray dryer.
a drying gas having a temperature of less than 250°C, preferably in a concurrent spray dryer.
the aqueous solution or dispersion is atomised to form droplets, and the droplets are directed into a hot gas entering the drying chamber.
spray evaporation is rapid, the hot drying gas cools accordingly, and evaporation times are short.
the cationic surfactant is not subject to heat degradation.
Both rotary and nozzle-type atomisers can be used in co-current spray dryers. Most commonly the hot drying gas is air.
An alternative arrangement is a counter-current spray dryer in which the droplets and the hot gas pass through the drying chamber in generally opposite directions.
this arrangement often results in temperatures greater than 250°C which falls outside of the scope of the present invention.
Cationic surfactants useful in the present invention include water-soluble quaternary ammonium compounds of the form R 1 R 2 R 3 R 4 N + X - , in which R 1 is a hydroxyalkyl group having no greater than 6 carbon atoms; each of R 2 and R 3 is independently selected from C 1-4 alkyl or alkenyl; R 4 is a C 5-11 alkyl or alkenyl; and X - is a counterion.
the cationic surfactant comprises a mixture of cationic surfactants of formula I: R 1 R 2 R 3 R 4 N + X - in which R 1 is a hydroxyalkyl group having no greater than 6 carbon atoms; each of R 2 and R 3 is independently selected from C 1-4 alkyl or alkenyl; R 4 is a C 5-11 alkyl or alkenyl; and X - is a counterion which does not substantially exchange with a hydroxide ion in a 0.5% by weight aqueous solution of the detergent composition at 20°C and wherein, in the mixture of cationic surfactants of formula I, at least 10%, preferably at least 20 % or event at least 50% by weight of the cationic surfactant has R 4 which is C 5-9 alkyl or alkenyl.
the cationic surfactant comprises a mixture of surfactants of formula I wherein there is a longer alkyl chain surfactant having R 4 with n carbon atoms where n is from 8 to 11 and a shorter alkyl chain surfactant having (n-2) carbon atoms.
alkyl or alkenyl as used herein may be branched, linear or substituted.
Substituents may be for example, aromatic groups, heterocyclic groups containing one or more N, S or O atoms, or halo substituents.
Silicates are well-known detergent components, and are optional components of the present invention.
sodium silicate is often added to detergent compositions in order to act as a corrosion inhibitor.
Water-soluble silicates which are suitable for use in the present invention may be amorphous or layered.
Such silicates may be characterised by the ratio of SiO 2 to Na 2 O in their structure. In the present invention, this ratio may typically be less than 3.3:1, preferably less than 2.8:1, more preferably less than 2.4:1, most preferably about 2.0:1.
amorphous silicates are preferred to crystalline silicates.
crystalline silicates may be included in the paste compositions of the invention.
Crystalline layered sodium silicates have the general formula NaMSi x O 2x+1 . yH 2 O wherein m is sodium or hydrogen, x is a number from 1.9 to 4 and y is a number from 0 to 20.
Crystalline layered sodium silicates of this type are disclosed in EP-A 164 514 and methods for their preparation are disclosed in DE-A 34 17 649 and DE-A 37 42 043.
x in the general formula above has a value of 2, 3 or 4 and is preferably 2. More preferably M is sodium.
Preferred examples of this formula comprise the ⁇ -, ⁇ -, ⁇ -, ⁇ - forms of Na 2 Si 2 O 5 . These materials are available from Hoechst AG, Germany, as, respectively, NaSKS-5, NaSKS-7, NaSKS-11 and NaSKS-6. The most preferred material is ⁇ - Na 2 Si 2 O 5 , NaSKS-6.
aqueous solution or dispersion of the water-soluble cationic surfactant and the silicate, where present, in the process of the present invention may be carried out using any suitable mixing equipment.
One particularly suitable piece of mixing equipment is known in the industry as a "crutcher”.
Other materials may be added to the crutcher at this stage, especially inorganic materials such as aluminosilicate, sulphate etc.
the free-flowing granular product may be dry mixed or otherwise blended with other detergent components to form a finished detergent composition.
Typical components of a finished detergent composition include surfactants, soluble and insoluble builders, cheating agents, anti-redeposition and soil suspension agents, bleach and bleach activators, optical brighteners, soil release agents, suds suppressors, enzymes, fabric softening agents including clays, perfumes and colours, as well as other ingredients known to be useful in laundry detergents.
composition of Examples 1 to 3 were made by mixing aqueous solution of the quaternary ammonium salt (50% active) with an aqueous solution of the sodium silicate (45% active), and forming a homogeneous single phase mixture. The mixture was then passed through an atomising nozzle within a co-current spray-drying tower having an inlet air temperature of about 200°C. The hot granular compositions were collected at the bottom of the spray-drying tower and allowed to cool to ambient temperature. The resulting granular compositions were found to be free-flowing.

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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)
Inorganic Chemistry (AREA)
Detergent Compositions (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

EP97201517A 1997-05-21 1997-05-21 Verfahren zur Herstellung einer körnigen Reinigungsmittelzusammensetzung oder Komponente, die ein wasserlösliches kationisches Tensid enthält Withdrawn EP0879876A1 (de)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
EP97201517A EP0879876A1 (de)	1997-05-21	1997-05-21	Verfahren zur Herstellung einer körnigen Reinigungsmittelzusammensetzung oder Komponente, die ein wasserlösliches kationisches Tensid enthält
PCT/IB1998/000712 WO1998053037A1 (en)	1997-05-21	1998-05-13	Process for preparation of granular detergent composition or component comprising a water-soluble cationic surfactant
MA25083A MA24550A1 (fr)	1997-05-21	1998-05-20	Procede de preparation d'une composition ou d'un composant detergent granulaire comprenant un agent tensioactif cationique soluble dans l'eau
ARP980102359 AR015327A1 (es)	1997-05-21	1998-05-21	Proceso para preparar una composicion o componente detergente granulado que comprende surfactante cationico soluble en agua

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP97201517A EP0879876A1 (de)	1997-05-21	1997-05-21	Verfahren zur Herstellung einer körnigen Reinigungsmittelzusammensetzung oder Komponente, die ein wasserlösliches kationisches Tensid enthält

Publications (1)

Publication Number	Publication Date
EP0879876A1 true EP0879876A1 (de)	1998-11-25

Family

ID=8228334

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP97201517A Withdrawn EP0879876A1 (de)	1997-05-21	1997-05-21	Verfahren zur Herstellung einer körnigen Reinigungsmittelzusammensetzung oder Komponente, die ein wasserlösliches kationisches Tensid enthält

Country Status (4)

Country	Link
EP (1)	EP0879876A1 (de)
AR (1)	AR015327A1 (de)
MA (1)	MA24550A1 (de)
WO (1)	WO1998053037A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB0009029D0 (en)	2000-04-12	2000-05-31	Unilever Plc	Laundry wash compositions
GB0009877D0 (en)	2000-04-20	2000-06-07	Unilever Plc	Granular detergent component and process for its preparation
MX2011011377A (es) *	2009-04-28	2012-04-02	Clariant Finance Bvi Ltd	Composiciones de detergente para lavanderia.

Citations (7)

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Publication number	Priority date	Publication date	Assignee	Title
FR2101555A5 (de) *	1970-07-10	1972-03-31	Unilever Nv
US4073735A (en) *	1976-02-19	1978-02-14	Colgate Palmolive Company	Rinse cycle fabric softener
SU732376A1 (ru) *	1977-09-23	1980-05-05	Всесоюзный Научно-Исследовательский Институт Жиров	Способ получени порошкообразного синтетического моющего средства
JPS5710699A (en) *	1980-06-24	1982-01-20	Dainichiseika Color Chem	Production of additive for powder detergent
DE3437721A1 (de) *	1984-10-15	1986-04-17	Süd-Chemie AG, 8000 München	Waschmittelzusatz
WO1990004015A1 (de) *	1988-10-04	1990-04-19	Henkel Kommanditgesellschaft Auf Aktien	Verfahren zur herstellung teilchenförmiger waschmittel
WO1993011212A1 (de) *	1991-11-30	1993-06-10	Henkel Kommanditgesellschaft Auf Aktien	Pulverförmige tensidmischung

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Publication number	Priority date	Publication date	Assignee	Title
BE40T1 (fr) *	1977-11-17	1980-01-11	Procter & Gamble	Compositions detergentes granulaires pour l'elimination ameliore des salissures graisseuses
US4806253A (en) *	1984-11-13	1989-02-21	The Procter & Gamble Company	Laundry compositions
US5259964A (en) *	1991-12-18	1993-11-09	Colgate-Palmolive Co.	Free-flowing powder fabric softening composition and process for its manufacture
US5703037A (en) *	1994-04-20	1997-12-30	The Procter & Gamble Company	Process for the manufacture of free-flowing detergent granules

1997
- 1997-05-21 EP EP97201517A patent/EP0879876A1/de not_active Withdrawn
1998
- 1998-05-13 WO PCT/IB1998/000712 patent/WO1998053037A1/en active Search and Examination
- 1998-05-20 MA MA25083A patent/MA24550A1/fr unknown
- 1998-05-21 AR ARP980102359 patent/AR015327A1/es unknown

Patent Citations (7)

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Publication number	Priority date	Publication date	Assignee	Title
FR2101555A5 (de) *	1970-07-10	1972-03-31	Unilever Nv
US4073735A (en) *	1976-02-19	1978-02-14	Colgate Palmolive Company	Rinse cycle fabric softener
SU732376A1 (ru) *	1977-09-23	1980-05-05	Всесоюзный Научно-Исследовательский Институт Жиров	Способ получени порошкообразного синтетического моющего средства
JPS5710699A (en) *	1980-06-24	1982-01-20	Dainichiseika Color Chem	Production of additive for powder detergent
DE3437721A1 (de) *	1984-10-15	1986-04-17	Süd-Chemie AG, 8000 München	Waschmittelzusatz
WO1990004015A1 (de) *	1988-10-04	1990-04-19	Henkel Kommanditgesellschaft Auf Aktien	Verfahren zur herstellung teilchenförmiger waschmittel
WO1993011212A1 (de) *	1991-11-30	1993-06-10	Henkel Kommanditgesellschaft Auf Aktien	Pulverförmige tensidmischung

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section Ch Week 8107, Derwent World Patents Index; Class D25, AN 81-11000D, XP002045322 *
DATABASE WPI Section Ch Week 8209, Derwent World Patents Index; Class A97, AN 82-16388E, XP002045321 *

Also Published As

Publication number	Publication date
MA24550A1 (fr)	1998-12-31
WO1998053037A1 (en)	1998-11-26
AR015327A1 (es)	2001-05-02

Legal Events

Date	Code	Title	Description
1998-10-09	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1998-11-25	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE
1998-11-25	AX	Request for extension of the european patent	Free format text: AL;LT;LV;RO;SI
1999-07-14	17P	Request for examination filed	Effective date: 19990514
1999-08-04	AKX	Designation fees paid	Free format text: AT BE CH DE DK ES FI FR GB GR IE IT LI LU NL PT SE
2001-05-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2001-06-20	18D	Application deemed to be withdrawn	Effective date: 20001201

Publication	Publication Date	Title
US4849125A (en)	1989-07-18	Process for preparing a phosphate-reduced granular detergent
US4141841A (en)	1979-02-27	Antistatic, fabric-softening detergent additive
US6008174A (en)	1999-12-28	Powder detergent composition having improved solubility
US5714451A (en)	1998-02-03	Powder detergent composition and method of making
US4457858A (en)	1984-07-03	Method of making coated granular bleach activators by spray drying
US4539135A (en)	1985-09-03	Perfume-containing carrier for laundry compositions
CA1094423A (en)	1981-01-27	Phosphate-free concentrated particulate heavy duty laundry detergent
CA1152263A (en)	1983-08-23	Detergent-compatible fabric softening and antistatic compositions
CA1150584A (en)	1983-07-26	Zeolite detergent agglomerates
CZ313795A3 (en)	1996-05-15	Composition for releasing perfumes based on zeolites and the particles of which are provided with a water-soluble coating, and a granulated detergent in which such composition is comprised
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