EP3299505B1 - Optimiertes waschverfahren in einer waschmaschine - Google Patents

Optimiertes waschverfahren in einer waschmaschine Download PDF

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Publication number
EP3299505B1
EP3299505B1 EP17192255.2A EP17192255A EP3299505B1 EP 3299505 B1 EP3299505 B1 EP 3299505B1 EP 17192255 A EP17192255 A EP 17192255A EP 3299505 B1 EP3299505 B1 EP 3299505B1
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EP
European Patent Office
Prior art keywords
washing
stain
additive
cleaning
cleaning additive
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.)
Revoked
Application number
EP17192255.2A
Other languages
English (en)
French (fr)
Other versions
EP3299505A1 (de
Inventor
Luciano Novita'
Massimiliano Pimazzoni
Cinzia Brignoli
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.)
Bolton Manitoba SpA
Original Assignee
Bolton Manitoba SpA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=58606502&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3299505(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bolton Manitoba SpA filed Critical Bolton Manitoba SpA
Priority to SI201730654T priority Critical patent/SI3299505T1/sl
Priority to RS20210268A priority patent/RS61634B1/sr
Priority to PL17192255T priority patent/PL3299505T3/pl
Publication of EP3299505A1 publication Critical patent/EP3299505A1/de
Application granted granted Critical
Publication of EP3299505B1 publication Critical patent/EP3299505B1/de
Priority to HRP20210362TT priority patent/HRP20210362T1/hr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/006—Methods for washing, rinsing or spin-drying for washing or rinsing only
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents

Definitions

  • the present invention relates to an optimized method for washing in washing machines.
  • the present invention falls within the technical field of additives for washings in washing-machines, i.e. products that are substantially washing adjuvants that integrate the use of detergents, with a specific function, different from the cleaning action itself of detergents: examples of these additives are stain-removing additives, softeners, colour additives, whiteners, anti-lime additives, antibacterial agents, bleaches, perfuming agents, etc. and washing methods that use these additives.
  • Additive products to be used in addition to the detergent and that can exert various functions are in fact known and widely marketed.
  • additives are added in the pre-washing or washing step, as is the case for example of stain-removing additives, bleaches, anti-lime additives, antibacterial agents, whereas other additive products are added in the final washing phase, i.e. in the last rinse: this is the case of softeners and, in some cases, also antibacterial agents.
  • the different addition time of the additive product depends on its physico-chemical characteristics and its function: it is clear, in fact, that a softening additive must be added in the final washing stage to prevent losing or minimizing the desired softening and perfuming effect due to the subsequent rinsing phases of the clothes. More specifically, a softener acts in the following way: the molecules of the softening product become bound to the fibers of the fabrics, creating a thin film and the final effect is a greater softness of the garment, combined with its possible fragrance and, again thanks to the composition of the softening product and reduction in friction between the fibers, said additive also facilitates the ironing of the garment. The use of the softening product also reduces the static electricity of the freshly washed garments.
  • Softeners are therefore basically washing adjuvants that integrate the use of detergents.
  • the composition of softeners comprises the use of quaternary ammonium compounds with one or more fatty chains.
  • softening additives used in the past are DSDMAC (distearyldimethylammonium chloride), DHTDMAC (dihydrogenated tallow dimethylammonium chloride).
  • DSDMAC disearyldimethylammonium chloride
  • DHTDMAC dihydrogenated tallow dimethylammonium chloride
  • the composition of all the main softeners on the market comprises esterquat (inci definition: Distearoylethyl Hydroxyethylmonium Methosulfate), as essential component: these are positively charged softening molecules, obtained by the esterification of ethoxylated quaternized amines with long-chain fatty acids.
  • the other components are almost always additives, fragrances, thickeners or pearling agents, dyes, etc.
  • a stain-removing additive is in fact generally used by applying it directly to the garment and specifically on the stain to be treated, before washing, or it is generally added as additive in the pre-washing or washing step in the washing cycle of the washing machine.
  • composition of liquid stain-removing additives is generally based on an appropriate mixture of nonionic, anionic, amphoteric surfactants, amine oxide, enzymes or hydrogen peroxide or other oxidizing agents, such as, for example, sodium hypochlorite (the latter only to be used on white garments).
  • multifunction or with integrated action have been recently introduced onto the market, i.e. products characterized by contemporaneously exerting two or more functions among those previously listed: colour and anti-lime additives, stain-removers and bleaches, softeners and optical whiteners, etc., can in fact be found on the market, in addition to the "obvious" softening and perfuming additive.
  • Multifunction additives that combine the softening action to be exerted in the last rinsing phase with the stain-removing or bleaching action (for example), which, by their very nature, are exerted in different phases of the washing cycle (pre-washing or actual washing), are neither known nor commercialized.
  • WO2005/061685 A1 relates to a method for washing in which a container comprising an additive is positioned in a housing located inside the drum of a washing machine.
  • the Applicant has now surprisingly found that, contrary to what has so far been considered, an optimized washing method can be provided, which allows an improved cleaning effect to be obtained, that overcomes the preconception of the state of the art.
  • the main objective of the present invention is therefore to find an optimized method for washing in washing machines, which allows an improved cleaning effect to be obtained.
  • a further objective of the present invention is to find an optimized method for washing in washing machines, which allows a different use of cleaning/stain-removing compositions or additives present on the market.
  • An object of the present invention therefore relates to an optimized method for washing in washing machines according to claim 1.
  • a further object of the present invention relates to the use of a stain-removing/cleaning additive as additive in the last rinsing step of any laundry washing cycle according to claim 3.
  • a stain-removing/cleaning additive when added in the final rinse, is capable of exerting its specific cleaning/stain-removing function, i.e. it is effectively able to ensure a significant cleaning action under said time, temperature, shaking/friction and dilution conditions, that is to say in a cold water dilution whose purpose is simply to remove the last detergent residues and distribute the softening additive. More specifically, the effectiveness of the cleaning action of cleaning/stain-removing additives added in the softener compartment, has been verified with a wide range of technologies/washing and stain-removing products.
  • the stain-removing/cleaning additive used in the softener compartment can be any composition comprising one or more of the following components: surfactants (nonionic, anionic, amphoteric, cationic) and/or soaps and/or enzymes and/or sequestering agents such as, for example, phosphonates, EDTA or amino-acid derivatives and/or chlorine-based whiteners and/or species which, without being themselves washing agents, improve the performances of surfactants or other washing components such as, for example, performance booster polymers (such as for example ethoxylated polyethyleneimines such as Sokalan HP 20).
  • surfactants nonionic, anionic, amphoteric, cationic
  • soaps and/or enzymes and/or sequestering agents such as, for example, phosphonates, EDTA or amino-acid derivatives and/or chlorine-based whiteners and/or species which, without being themselves washing agents, improve the performances of surfactants or other washing components
  • performance booster polymers such as for
  • the stain-removing/cleaning additive can be selected from enzymatic products, products based on hydrogen peroxide, products based on surfactants and enzymes, possibly products containing sodium hypochlorite whose use, however, is limited to white or particularly resistant garments.
  • liquid detergents comprising surfactants and enzymes, pre-treating additives comprising surfactants and enzymes, stain-removing additives for laundry comprising surfactants and hydrogen peroxide, can be mentioned.
  • additives however can contain perfuming substances, dyes, or optical whiteners and possibly softeners for providing the garments with sensory benefits, in addition to cleaning/stain-removing additives.
  • the optimum dosing of the cleaning/stain-removing additive in the softener compartment can naturally vary depending on the type of formula or technology used. It is of course also limited by the capacity of the softener compartment which can vary, but which is normally not greater than 100 ml.
  • the dosage of the cleaning/stain-removing additive in the softener compartment can range from 30 to 100 ml, more specifically from 30 to 75 ml.
  • Example 1 was carried out on standard WFK, EMPA and CFT pieces commonly used in standard washing tests according to the AISE protocol, which have been subjected to a washing cycle effected in Miele Novotronic W1513 washing machines at 40°C, using, in all the tests, the same detergent and under the same washing conditions.
  • Three different stain-removing/cleaning additives were used in the following tests 1-3, which were added in the final step of the last rinse of a washing cycle.
  • the additives in the optimized washing tests 1-3 according to the present invention were withdrawn and brought into contact with the garments to be washed through the water passing through the dispenser compartment of the softening additive in the final rinse.
  • the washing program carried out is a washing program at 40°C, but the rinse is always effected in cold water, this term referring to water having the "ambient" supply temperature from the pipes.
  • Test 1 65 ml of washing-machine detergent were used, containing 4.5% of sodium LAS, 4.5% of ethoxylated C 12 -C 14 alcohol 7 EO, 1.5% sodium soap, phosphonate sequestering agents and ethoxylated polyethyleneimine, commercialized under the trade-name of Omino Bianco, and 75 ml of the following stain-removing/cleaning composition to be added in the washing step: 12.5% anionic surfactant, 6.0% ethoxylated alcohol, 2.5% soap; enzymes: protease, cellulase, amilase. This is the detergent "Dash Actilift" commercialized by P&G.
  • Test 2 65 ml of the washing-machine detergent of test 1 were used, and 75 ml of the following stain-removing/cleaning composition for pre-treating the stain: 10.5% ethoxylated alcohols; enzymes: protease. This is the pre-treating additive "Bio shout" commercialized by SC Johnson.
  • Test 3 65 ml of the washing-machine detergent of test 1 were used, and 75 ml of the following stain-removing/cleaning composition for pre-treating the stain: Sodium LAS 3.0%, ethoxylated alcohol 12.4% and hydrogen peroxide 5.0%; commercialized under the trade-name of Omino Bianco Smacchiatore Gel.
  • a product marked with the letter B for example, is characterized by a cleaning/stain-removing power on that type of stain: statistically lower with respect to a product marked with the letter A, statistically higher with respect to a product marked with the letter C, statistically equal with respect to a product marked with the letter B.
  • the three subsequent lines of the table indicate the score, in terms of number of stains, between two products: more specifically, the method according to the present invention of test 1 is better in the treatment of eleven stains and is equal in the treatment of the remaining stains with respect to the washing method with detergent alone (comparative example); the method according to the present invention of test 2 is better in the treatment of nine stains and equivalent in the treatment of the remaining stains, with the exception of only one stain (blood) with respect to the washing method with detergent alone (comparative example); the method according to the present invention of test 3 is better in the treatment of five stains and equivalent in the treatment of the remaining stains, with the exception of only two stains (carrot baby food and tomato puree) with respect to the washing method with detergent alone (comparative example).
  • EMPA 221 white cotton
  • a Miele Novotronic V1513 washing machine 3 Kg of ballast.
  • the washing was effected with a washing-machine detergent, commercialized with the trade-name Omino Bianco and the cleaning/stain-removing product "Dash Actilift", also used in test 1 of Example 1, was added in the softener compartment, dosed in the same in a quantity equal to 65 ml.
  • the content of residual enzymes on the washed pieces was controlled with the aid of the kit Protazyme AK Tablets. Water was added to portions of washed and dried EMPA 221 fabric, the solution was treated with Protazyme AK according to the instructions of use and the absorbance of the solution at 590 nm was measured with a spectrophotometer.
  • the absorbance values show the presence or absence of residues of protease enzyme on the piece.
  • the results are as follows: Absorbance EMPA 221 not treated, cut into dimensions of 1x19cm 0.000 Liquid detergent Dash Actilift (1 ml) 1.328 EMPA 221 subjected to cycle (Example 2) cut into dimensions 1x19cm 0.000 EMPA 221 cut into dimensions of 1x19cm Non-rinsed fabric 0.072 EMPA 221 cut into dimensions of 9x9cm Non-rinsed fabric 0.184
  • the tests carried out showed the presence of protease enzyme both in the detergent as such, and on pieces treated and not subjected to the final rinsing step.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detergent Compositions (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Claims (5)

  1. Ein optimiertes Verfahren zum Waschen in Waschmaschinen, gekennzeichnet durch einen Schritt der Zugabe eines Fleckenentfernungs-/Waschzusatzes während des letzten Spülschritts eines beliebigen Waschzyklus, wobei der Zusatz aus einem Weichspülerfach entnommen und mit der Kleidung in Kontakt gebracht wird, die mit dem Wasser gewaschen wird, welches das Weichspülerfach durchläuft, dadurch gekennzeichnet, dass der Fleckenentfernungs-/Waschzusatz eine Zusammensetzung ist, bestehend aus einem oder mehreren folgender Bestandteile: nichtionische, anionische, amphotere, kationische Tenside und/oder Seifen und/oder Enzyme und/oder Sequestriermittel ausgewählt aus Phosphonaten, EDTA oder Aminosäurederivaten und/oder Bleichmitteln auf Chlorbasis und/oder leistungsverstärkenden Polymeren, wobei der Zusatz in einer Menge im Bereich von 30 bis 100 ml vorliegt.
  2. Verfahren nach Anspruch 1, wobei der Fleckenentfernungs-/Waschzusatz in einer Menge im Bereich von 30 bis 75 ml, während des letzten Spülschritts eines beliebigen Waschzyklus zugegeben wird.
  3. Verwendung eines Fleckenentfemungs-/Waschzusatzes, der eine Zusammensetzung ist, bestehend aus einem oder mehreren folgender Bestandteile: nichtionische, anionische, amphotere, kationische Tenside und/oder Seifen und/oder Enzyme und/oder Sequestriermittel ausgewählt aus Phosphonaten, EDTA oder Aminosäurederivaten und/oder Bleichmitteln auf Chlorbasis und/oder leistungsverstärkenden Polymeren, in einer Menge im Bereich von 30 bis 100 ml, als Zusatz im letzten Spülschritt eines beliebigen Wäsche-Waschzyklus.
  4. Verwendung eines Fleckenentfernungs-/Waschzusatzes nach Anspruch 3, wobei der Fleckenentfernungs-/Waschzusatz in das Fach/den Raum der Waschmaschine zugegeben wird, das im Allgemeinen normalerweise zum Einbringen von Weichmacherzusätzen vorgesehen ist, die aus der Waschmaschine während des letzten Spülschritts abgeführt werden.
  5. Verwendung eines Fleckenentfernungs-/Waschzusatzes nach einem oder mehreren der Ansprüche 3 und 4, wobei der Fleckenentfernungs-/Waschzusatz in einer Menge im Bereich von 30 bis 75 ml, während des letzten Spülschritts eines beliebigen Waschzyklus zugegeben wird.
EP17192255.2A 2016-09-21 2017-09-20 Optimiertes waschverfahren in einer waschmaschine Revoked EP3299505B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SI201730654T SI3299505T1 (sl) 2016-09-21 2017-09-20 Optimiziran postopek pranja v pralnih strojih
RS20210268A RS61634B1 (sr) 2016-09-21 2017-09-20 Optimizovani postupak za pranje u mašinama za pranje veša
PL17192255T PL3299505T3 (pl) 2016-09-21 2017-09-20 Zoptymalizowany sposób prania w pralkach
HRP20210362TT HRP20210362T1 (hr) 2016-09-21 2021-03-03 Optimizirani postupak za pranje u perilicama rublja

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT102016000094671A IT201600094671A1 (it) 2016-09-21 2016-09-21 Metodo ottimizzato di lavaggio in lavatrice

Publications (2)

Publication Number Publication Date
EP3299505A1 EP3299505A1 (de) 2018-03-28
EP3299505B1 true EP3299505B1 (de) 2021-01-27

Family

ID=58606502

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17192255.2A Revoked EP3299505B1 (de) 2016-09-21 2017-09-20 Optimiertes waschverfahren in einer waschmaschine

Country Status (9)

Country Link
EP (1) EP3299505B1 (de)
CY (1) CY1124042T1 (de)
ES (1) ES2858084T3 (de)
HR (1) HRP20210362T1 (de)
HU (1) HUE053538T2 (de)
IT (1) IT201600094671A1 (de)
PL (1) PL3299505T3 (de)
RS (1) RS61634B1 (de)
SI (1) SI3299505T1 (de)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991013136A1 (en) 1990-03-01 1991-09-05 Novo Nordisk A/S Process for treatment of textiles and rinsing agent for use in the process
US20160122692A1 (en) 2014-08-19 2016-05-05 The Procter & Gamble Company Method of laundering a fabric
WO2016115408A1 (en) 2015-01-14 2016-07-21 Gregory Van Buskirk Improved fabric treatment method for stain release

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4017504B2 (ja) * 2002-11-19 2007-12-05 シャープ株式会社 洗濯機
US7445643B2 (en) * 2003-12-03 2008-11-04 The Procter & Gamble Company Automatic machine laundering of fabrics
PL3237672T3 (pl) * 2014-12-23 2020-04-30 Electrolux Appliances Aktiebolag Sposób obsługiwania pralki do materiałów pranych z wykorzystaniem pakietu dawkowego oraz pralka do materiałów pranych

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991013136A1 (en) 1990-03-01 1991-09-05 Novo Nordisk A/S Process for treatment of textiles and rinsing agent for use in the process
US20160122692A1 (en) 2014-08-19 2016-05-05 The Procter & Gamble Company Method of laundering a fabric
WO2016115408A1 (en) 2015-01-14 2016-07-21 Gregory Van Buskirk Improved fabric treatment method for stain release

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS: "Hygiene Laundry Additive by Edeka Zentrale", MINTEL, December 2015 (2015-12-01), pages 1 - 3, XP055861334
ANONYMOUS: "Hygiene Rinse Liquid Fabric Detergent by Brauns-Heitmann", MINTEL, May 2014 (2014-05-01), pages 1 - 3, XP055861341
ANONYMOUS: "Liquid Detergent", MINTEL, February 2015 (2015-02-01), pages 1 - 2, XP055861305
ANONYMOUS: "Miele W 1513 Operating Instructions Manual Novotronic", MIELE, pages 1 - 60
ANONYMOUS: "Stain Remover by Bio Shout", MINTEL, December 2006 (2006-12-01), pages 1 - 2, XP055861310
ANONYMOUS: "Stain Remover Gel by Omino Bianco", MINTEL, May 2014 (2014-05-01), pages 1 - 2, XP055861313

Also Published As

Publication number Publication date
RS61634B1 (sr) 2021-04-29
CY1124042T1 (el) 2022-05-27
IT201600094671A1 (it) 2018-03-21
HRP20210362T1 (hr) 2021-04-16
PL3299505T3 (pl) 2021-07-19
SI3299505T1 (sl) 2021-07-30
ES2858084T3 (es) 2021-09-29
EP3299505A1 (de) 2018-03-28
HUE053538T2 (hu) 2021-07-28

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