EP2043768B9 - Method of dispensing solid detergents using a diluent - Google Patents

Method of dispensing solid detergents using a diluent Download PDF

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Publication number
EP2043768B9
EP2043768B9 EP06787094A EP06787094A EP2043768B9 EP 2043768 B9 EP2043768 B9 EP 2043768B9 EP 06787094 A EP06787094 A EP 06787094A EP 06787094 A EP06787094 A EP 06787094A EP 2043768 B9 EP2043768 B9 EP 2043768B9
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EP
European Patent Office
Prior art keywords
solid product
product
solid
dispenser
acidic
Prior art date
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Active
Application number
EP06787094A
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German (de)
English (en)
French (fr)
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EP2043768A1 (en
EP2043768B1 (en
Inventor
Kristine Jeanette Williams
Thomas Peter Berg
Karen O. Rigley
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.)
Ecolab Inc
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Ecolab Inc
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Publication date
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Priority to PL06787094T priority Critical patent/PL2043768T3/pl
Publication of EP2043768A1 publication Critical patent/EP2043768A1/en
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Publication of EP2043768B1 publication Critical patent/EP2043768B1/en
Publication of EP2043768B9 publication Critical patent/EP2043768B9/en
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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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00—Dissolving
    • B01F21/20—Dissolving using flow mixing
    • B01F21/22—Dissolving using flow mixing using additional holders in conduits, containers or pools for keeping the solid material in place, e.g. supports or receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F21/00—Dissolving
    • B01F21/40—Dissolving characterised by the state of the material being dissolved
    • B01F21/402—Dissolving characterised by the state of the material being dissolved characterised by the configuration, form or shape of the solid material, e.g. in the form of tablets or blocks
    • B01F21/4021—Dissolving characterised by the state of the material being dissolved characterised by the configuration, form or shape of the solid material, e.g. in the form of tablets or blocks in the form of tablets stored in containers, canisters or receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/24—Mixing of ingredients for cleaning compositions

Definitions

  • the present invention relates to a method of dispensing solid products with a solid product dispenser.
  • Extruded clay or ceramic tile sometimes called quarry tile, is commonly used in institutional and non-institutional kitchens such as restaurants because it is relatively inexpensive; durable, and has relatively low porosity.
  • Quarry tile is made from natural clays with the composition being approximately 50% hard particles (silicon) and the other 50% soft particles (clay components). When the clay tile is fired, it develops a pervious glaze-like coating which encapsulates pores under the surface. Because of the pervious nature of the surface, these pores collect and entrap various soils that are extremely difficult to clean thoroughly.
  • a natural surface roughness may be created consisting of hard, microscopic peaks of silica and inert clays.
  • the surface texture or roughness coupled with the surface porosity provides the tile with an optimum static coefficient of friction (traction).
  • New quarry tile tends to be slip-resistant, and some tiles feature anti-slip properties such as added grit, grid patterns, or a rougher surface texture.
  • anti-slip tile becomes worn and soiled over time and becomes slippery and potentially dangerous.
  • the quarry tile receives abrasion and surface wear due to foot traffic, soils, and daily surface cleaning.
  • the microscopic peaks may become polished or worn down, leading to flat surface areas.
  • Hard surface cleaners useful in institutional and non-institutional environments may take any number of forms.
  • An example of such a cleaner is an aqueous cleaner formulation that can be neutral, acidic, or alkaline in pH when diluted to create a use solution.
  • Aqueous neutral, acidic, or alkaline cleaners in use solutions are typically formulated using a major proportion of an aqueous diluent and a minor proportion of the cleaner.
  • Cleaners having a neutral pH or an alkaline pH effectively remove fresher grease soils
  • cleaners having an acidic pH effectively remove polymerized grease soils.
  • An example of an acidic cleaner formulation useful in cleaning soils comprising food residue is disclosed in U.S. Patent 6,432,906 .
  • An example of a basic (alkaline) cleaner formulation useful in cleaning soils comprising food residue is disclosed in U.S. Patent 5,474,698 .
  • US 6,589,443 discloses a shaped solid oxidant bleach composition comprising oxidant bleach with an encapsulated source of bleach.
  • US 4,569,781 describes a cast detergent containing article and a method of using the article in an automatic washing machine.
  • EP 0 242 966 A2 discloses a method of making solid cast alkaline detergent compositions.
  • U.S. Patent 5,797,986 discloses a method of cleaning a floor using a first cleaner with a pH departing from neutral followed by a second cleaner with a complementary pH.
  • the first cleaner is an acidic cleaner and the second cleanser is a basic cleaner.
  • the first cleaner is a basic cleaner and the second cleaner is an acidic cleaner. This method provides optimal cleaning.
  • COF substantially improved coefficient of friction
  • One aspect of the present invention provides a method of dispensing a first solid product and a second solid product with a solid product dispenser.
  • the first solid product and the second solid product are positioned in a product housing of the solid product dispenser.
  • the first solid product and the second solid product are different products.
  • the first solid product is placed in the product housing of the solid product dispenser, and the second solid product is placed in the product housing of the solid product dispenser on top of the first solid product.
  • a portion of the first solid product is dispensed during each cycle of the solid product dispenser until the first solid product has been partially depleted to a size small enough to allow the second solid product to also be dispensed.
  • a portion of the first solid product and a portion of the second solid product are dispensed during each cycle of the solid product dispenser until the first solid product has been completely depleted.
  • a portion of the second solid product is dispensed during each cycle of the solid product dispenser.
  • Another aspect of the present invention provides a method of dispensing a first solid product and a second solid product with a solid product dispenser.
  • the first solid product and the second solid product are positioned in a product housing of the solid product dispenser.
  • the first solid product and the second solid product are different products.
  • the first solid product is placed in the product housing of the solid product dispenser.
  • a portion of the first solid product is dispensed during each cycle of the solid product dispenser until the first solid product has been partially depleted to a size small enough to allow the second solid product to be positioned in the product housing on top of the first solid product.
  • the second solid product is placed in the product housing of the solid product dispenser on top of the first solid product.
  • a portion of the first solid product is dispensed during each cycle of the solid product dispenser until the first solid product has been partially depleted to a size small enough to allow the second solid product to also be dispensed.
  • a portion of the first solid product and a portion of the second solid product are dispensed during each cycle of the solid product dispenser until the first solid product has been completely depleted.
  • a portion of the second solid product is dispensed during each cycle of the solid product dispenser.
  • Another aspect of the present invention provides a method of dispensing a first solid product and a second solid product with a solid product dispenser.
  • the first solid product and the second solid product are positioned in a product housing of the solid product dispenser.
  • the first solid product and the second solid product are different products.
  • the first solid product is placed in the product housing, and a bottom portion of the first solid product is contacted with a diluent to dissolve a portion of the first solid product to create a first use solution.
  • a portion of the first solid product is dispensed during each cycle of the solid product dispenser until the first solid product has been partially depleted to a size small enough to allow the second solid product to be positioned within the product housing on top of the first solid product.
  • the second solid product is placed in the product housing of the solid product dispenser on top of the first solid product, and a bottom portion of the first solid product is contacted with the diluent to dissolve a portion of the first solid product to create the first use solution.
  • a portion of the first solid product is dispensed until the first solid product has been partially depleted to a size small enough to allow the second solid product to also be dispensed.
  • a bottom portion of the first solid product and a bottom portion of the second solid product are contacted with the diluent to dissolve a portion of the first solid product and a portion of the second solid product to create a second use solution.
  • a portion of the first solid product and a portion of the second solid product are dispensed until the first solid product has been completely depleted.
  • a bottom portion of the second solid product is contacted with the diluent to dissolve a portion of the second solid product to create a third use solution.
  • Another aspect of the present invention provides a method of dispensing an acidic solid product and an alkaline solid product with a solid product dispenser.
  • the acidic solid product and the alkaline solid product are positioned in a product housing of the solid product dispenser.
  • the acidic solid product is placed in the product housing, and a bottom portion of the acidic solid product is contacted with a diluent to dissolve a portion of the acidic solid product to create an acidic use solution.
  • a portion of the acidic solid product is dispensed during each cycle of the solid product dispenser until the acidic solid product has been partially depleted to a size small enough to allow the alkaline solid product to be positioned within the product housing on top of the acidic solid product.
  • the alkaline solid product is placed in the product housing of the solid product dispenser on top of the acidic solid product.
  • a portion of the acidic solid product is dispensed until the acidic solid product has been partially depleted to a size small enough to allow the alkaline solid product to also be dispensed.
  • a bottom portion of the acidic solid product and a bottom portion of the alkaline solid product are contacted with the diluent to dissolve a portion of the acidic solid product and a portion of the alkaline solid product to create a neutral use solution.
  • a portion of the acidic solid product and a portion of the alkaline solid product are dispensed until the acidic solid product has been completely depleted.
  • a bottom portion of the alkaline solid product is contacted with the diluent to dissolve a portion of the alkaline solid product to create an alkaline use solution.
  • the present invention relates to magazine loading of solid products by alternating two different solid products within a product housing of a solid product dispenser and a method of dispensing the magazine loaded solid products.
  • alternating includes arranging at least two different solid products in a desired order including, but not limited to, every other, every second, every third, and the like.
  • the purpose for alternating at least two different solid products is to cycle the use solutions created therefrom through a desired pH range to enhance the overall effectiveness of the system.
  • the exact manner in which the solid products are alternated may vary depending upon the type of cycling desired.
  • Any suitable solid product dispenser may be used.
  • suitable solid product dispensers are disclosed in U.S. Patent Nos. 4,426,362 ; 4,687,121 ; 4,690,305 ; and 4,826,661 and U.S. Provisional Patent Application No. 60/795,340 . Because such solid product dispensers are well known in the art, only a general description of how such a solid product dispenser operates is discussed.
  • Figure 1 shows a solid product dispenser 100 including a top housing portion 101 and a bottom housing portion 111 with a support member 102 such as a screen supported between the top housing portion 101 and the bottom housing portion 111.
  • the top housing portion 101 includes a product housing 103 with a cavity 104 in which a first solid product 150 and a second solid product 160 are positioned.
  • the support member 102 supports a bottom portion of the solid product or products being dispensed.
  • a cover 105 may be placed over the cavity 104 to protect the first and second solid products 150 and 160.
  • the bottom housing portion 111 includes a diluent inlet 112 in fluid communication with a spray nozzle 113.
  • a diluent such as water
  • a conduit (not shown) to the diluent inlet 112 and is then sprayed via the spray nozzle 113 onto a bottom portion 151 of the first solid product 150 through the support member 102.
  • the bottom portion 151 may include a bottom surface and sides of the first solid product 150.
  • a portion of the second solid product 160 may also be sprayed with the diluent to erode a portion of the second solid product 160.
  • the diluent erodes a portion of the first solid product 150, and perhaps a portion of the second solid product 160, to create a use solution, which flows through a cavity 114, through a use solution outlet 115, and through an outlet conduit 116 into a mop bucket (not shown) or any other suitable container.
  • first solid product 150 As the first solid product 150 erodes and becomes smaller, a greater portion of the second solid product 160 will be sprayed with the diluent. Eventually, over a course of several dispensing cycles, the first solid product 150 will be completely dispensed leaving just the second solid product 160 to be dispensed. As the first solid product 150 is eroded and becomes smaller, or as the second solid product 160 is eroded and becomes smaller, a new first solid product 150 may be placed on top of the second solid product 160. Thus, as the solid products are dispensed, alternating products are placed within the product housing 103 to replenish the products.
  • Figures 2-6 schematically illustrate how the solid products 150 and 160 are dispensed over several dispensing cycles.
  • Figure 2 shows the first solid product 150 as it would be positioned in the product housing 103 of the solid product dispenser 100. After several dispensing cycles, the first solid product 150 becomes partially depleted and smaller in size, as shown in Figure 3 . Once the first solid product 150 becomes small enough to allow another product to be placed within the product housing 103, the second solid product 160 may be positioned within the product housing 103 on top of the first solid product 150 as shown in Figures 1 and 4 . The first solid product 150 continues to become depleted as shown in Figure 5 .
  • first solid product 150 becomes more depleted and even smaller, there is a transition from the first solid product 150 to the second solid product 160 where both products will be dispensed.
  • the erosion of the first solid product 150 does not always erode evenly in a straight line across the bottom surface of the product, as shown in the schematic views. The erosion may be uneven, resulting in both solid products 150 and 160 being dispensed substantially concurrently.
  • the dispenser may spray the diluent onto the sides of the solid products 150 and 160 resulting in both solid products 150 and 160 being dispensed substantially concurrently.
  • solid products smaller in size may be placed within the product housing so that the first solid product does not have to be partially depleted before the second solid product is placed on top of the first solid product within the product housing.
  • the product housing may be large enough to receive both solid products.
  • the second solid product 160 is preferably an alkaline cleaning product.
  • the pH changes from acidic to neutral (while a portion of both solid products 150 and 160 are being eroded and dispensed) to alkaline.
  • the first solid product 150 is an alkaline cleaning product
  • the second solid product 160 is preferably an acidic cleaning product.
  • the pH changes from alkaline to neutral to acidic.
  • acidic cleaning products and alkaline cleaning products are described herein, it is recognized that other suitable products providing benefits of alternating chemistries may also be used. It is also recognized that more than two products may be rotated within the product dispenser. Any products that could be placed within a product housing of the same dispenser could be used. Preferably, the products would not chemically react with one another. Preferably, the products would dispense at approximately the same rate and utilize the same dispenser settings such as pressure, nozzle height, flow rate, temperature, etc.
  • Figure 7 shows the pH transition from an acidic solid product, to an alkaline solid product, to an acidic solid product, and so on over 70 dispensing cycles, each dispensing cycle being represented by the fill number.
  • Each fill used 4 gallons of water to erode a portion of the product and create a use solution.
  • the acidic solid product was dispensed over the first to the eleventh fills, both the acidic solid product and the alkaline solid product were dispensed over the twelfth to twenty-seventh fills, the alkaline solid product was dispensed over the twenty-eighth to thirty-eighth fills, both the alkaline solid product and the acidic solid product were dispensed over the thirty-ninth to forty-ninth fills, and the cycle begins again.
  • the transition from an acidic pH to an alkaline pH (a pH ranging from 6.00 to 8.00) occurred over approximately 10 fills using a total of approximately 40 gallons of water. It is recognized that smaller or larger solid products may be used and that the numbers of fills over which each solid product is completely dispensed may vary.
  • the acidic use solution has a pH of 3.00 to 6.00
  • the neutral use solution has a pH of 6.00 to 8.00
  • the alkaline use solution has a pH of 8.00 to 11.00.
  • Cleaning products having an acidic pH effectively remove polymerized grease soils while cleaning products having an alkaline pH effectively remove fresher grease soils.
  • there is a neutral pH which is effective in removing fresher grease soils although not typically as well as an alkaline pH.
  • Acidic cleaning products remove build-up on floors not effectively removed by alkaline cleaning products and vice versa. Therefore, by alternating these products within a product dispenser, improved cleaning results are delivered.
  • a preferred acidic cleaning product includes the ingredients listed in Table 1. The weight percentage is the weight of an ingredient based upon the total weight of the composition.
  • Table 1 Acidic Product Ingredients Ingredients Weight Percentage of Product NACCONOL® 90G (Sodium Dodecylbenzene Sulfonate) 44.79 Citric Acid 20.00 Sodium Citrate Dihydrate 15.00 Urea, Microprilled 10.00 SURFONIC® L 12-6 (Ethoxylated Alcohol) 10.00 Fragrance 0.20 Dye 0.01 TOTAL 100.00
  • any suitable acidic cleaning product may be used.
  • An example of an acidic cleaning product that may be used is disclosed in U.S. Patent 6,432,906 .
  • Another example of an acidic cleaning product that may be used is disclosed in U.S. Patent Application Publication No. US 2005/0197276 A1 .
  • a preferred alkaline cleaning product includes the ingredients listed in Table 2. The weight percentage is the weight of an ingredient based upon the total weight of the composition.
  • Table 2 Alkaline Product Ingredients Ingredients Weight Percentage of Product NACCONOL® 90G (Sodium Dodecylbenzene Sulfonate) 45.67 Dissolvine 220S 20.00 Sodium Carbonate 5.00 Sodium Bicarbonate 5.00 Sodium Metasilicate Pentahydrate 1.00 Urea 12.50 Pluronic L62 5.00 SURFONIC® L 12-6 (Ethoxylated Alcohol) 5.00 Water 0.62 Fragrance 0.20 Dye 0.01 TOTAL 100.00
  • any suitable alkaline cleaning product may be used.
  • An example of an alkaline cleaning product that may be used is disclosed in U.S. Patent Application Serial No. 11/487599 (M&G Docket No. 163.2315US01, titled Alkaline Floor Cleaning Composition and Method of Cleaning a Floor).
  • the acidic solid product disclosed in U.S. Patent Application Publication No. US 2005/0197276 A1 and the alkaline solid product disclosed in U.S. Patent Application Serial No.11/487599 are the SOLIDSENSETM Floor Care A & B products by Ecolab Inc. of St. Paul, Minnesota.
  • the coefficient of friction was measured on quarry tile floors proximate a fryer, a grill, a sink, and a lobby at two separate quick servile restaurant locations, Location 1 and Location 2.
  • the quarry tile floors were 10,16 by 20,32 cm (4 inches by 8 inches) American Olean Q01 Canyon Red quarry tiles.
  • the COF was measured using a Brungraber Magic II Slip-Tester with a 7,62 by 7,62 cm (3 inches by 3 inches) Neolite Sensor according to the Standard Test Method for Using a Portable Inclineable Articulated Strut Slip Tester (PIAST), Designation F 1677 96, under ASTM Standards, ASTM International of West Conshohocken, Pennsylvania.
  • PIAST Portable Inclineable Articulated Strut Slip Tester
  • the first measurement, measurement A was taken after cleaning the floors with an acidic cleaning product, KADETTM Quarry Tile Floor Cleaner by Ecolab Inc. of St. Paul, Minnesota. Each of the floors was cleaned with a use solution of KADETTM Quarry Tile Floor Cleaner prepared in a mop bucket according to the directions on the product label. The use solution was applied onto the floor with a mop and then brushed or agitated with the mop on the surface of the floor. A squeegee was used to direct the use solution into a floor drain, and then the floor was allowed to dry.
  • the second measurement, measurement B was taken after cleaning the floors with an alternating acidic cleaning product and an alkaline cleaning product, the SOLIDSENSETM Floor Care A & B products by Ecolab Inc. of St.
  • the measurement Dirty/Dry was taken after the breakfast or lunch activity of the quick service restaurants when the quarry tile kitchen floors would be dirty with fresh grease from frying starch or protein food items and some areas could also have polymerized grease.
  • the measurement Dirty/Wet was taken under the same circumstances as Dirty/Dry but wet with water on the floors to simulate a spill.
  • the measurement Clean/Dry was taken after the floors had been cleaned using the typical floor cleaning protocol using either the acidic cleaning product (measurement A) or the alternating acidic cleaning product and the alkaline cleaning product (measurement B) and the floors were allowed to dry.
  • the Clean/Wet measurement was taken under the same circumstances as Clean/Dry but wet with water on the floors to simulate a spill or a still wet after mopping situation.
  • the COF was greater after the floors had been cleaned with the alternating acidic cleaning product and the alkaline cleaning product. Therefore, by alternating the acidic cleaning product and the alkaline cleaning product, the floors had better traction and were less slippery.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Detergent Compositions (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
EP06787094A 2006-07-14 2006-07-14 Method of dispensing solid detergents using a diluent Active EP2043768B9 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06787094T PL2043768T3 (pl) 2006-07-14 2006-07-14 Sposób dozowania detergentów stałych przy użyciu rozcieńczalnika

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2006/027143 WO2008008062A1 (en) 2006-07-14 2006-07-14 Method of dispensing solid detergents using a diluent

Publications (3)

Publication Number Publication Date
EP2043768A1 EP2043768A1 (en) 2009-04-08
EP2043768B1 EP2043768B1 (en) 2010-09-01
EP2043768B9 true EP2043768B9 (en) 2011-02-23

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ID=37772555

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06787094A Active EP2043768B9 (en) 2006-07-14 2006-07-14 Method of dispensing solid detergents using a diluent

Country Status (11)

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EP (1) EP2043768B9 (es)
JP (1) JP4903864B2 (es)
CN (1) CN101472673B (es)
AT (1) ATE479493T1 (es)
AU (1) AU2006346054B2 (es)
BR (1) BRPI0621805B1 (es)
CA (1) CA2655147C (es)
DE (1) DE602006016656D1 (es)
MX (1) MX2008016159A (es)
PL (1) PL2043768T3 (es)
WO (1) WO2008008062A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8852442B2 (en) * 2010-03-08 2014-10-07 Delaware Capital Formation, Inc. Solid chemical dissolver and methods
US10549245B2 (en) 2014-08-05 2020-02-04 Ecolab Usa Inc. Apparatus and method for dispensing solutions from solid products
US9850060B2 (en) * 2014-08-05 2017-12-26 Ecolab Usa Inc. Multiple solid products liquid solution dispenser
FR3030216B1 (fr) * 2014-12-23 2017-01-27 Hg3 S A R L Absorption et signalisation d'un produit potentiellement a risque
JP6871170B2 (ja) * 2015-04-16 2021-05-12 エコラボ ユーエスエー インコーポレイティド 固体製品のための収容コンセプト
WO2018160809A1 (en) 2017-03-01 2018-09-07 Ecolab Usa Inc. Mechanism of urea/solid acid interaction under storage conditions and storage stable solid compositions comprising urea and acid
CA3091132A1 (en) 2018-02-13 2019-08-22 Ecolab Usa Inc. Portable solid product dispenser and use thereof, and method of dispensing a solution of a fluid and a solid product
JP7316492B2 (ja) * 2019-07-31 2023-07-28 パナソニックＩｐマネジメント株式会社 水処理装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4569781A (en) * 1978-02-07 1986-02-11 Economics Laboratory, Inc. Cast detergent-containing article and method of using
US4725376A (en) * 1986-04-23 1988-02-16 Ecolab Inc. Method of making solid cast alkaline detergent composition
US5407598A (en) * 1993-02-26 1995-04-18 Ecolab Inc. Shaped solid bleach with encapsulate source of bleach
US5505915A (en) * 1993-10-05 1996-04-09 Ecolab Inc. Solid chemical dispenser with movable nozzle
US5743287A (en) * 1996-04-03 1998-04-28 Rauchwerger; George P. Automatic pool chlorinator
US6007735A (en) * 1997-04-30 1999-12-28 Ecolab Inc. Coated bleach tablet and method
US6138703A (en) * 1999-11-24 2000-10-31 Ppg Industries, Ohio Chemical feeder
US20050244315A1 (en) * 2004-04-30 2005-11-03 Greaves Michael D Solid product dissolver and method of use thereof
EP1793725B1 (en) * 2004-10-01 2012-04-18 Ecolab Inc. Solid detergent dispenser and use of such dispenser
PL2216089T3 (pl) * 2004-10-18 2013-03-29 Ecolab Inc Dozownik produktu stałego

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ATE479493T1 (de) 2010-09-15
CN101472673B (zh) 2011-09-07
JP2009543677A (ja) 2009-12-10
BRPI0621805A2 (pt) 2011-12-20
JP4903864B2 (ja) 2012-03-28
AU2006346054B2 (en) 2011-03-31
AU2006346054A1 (en) 2008-01-17
EP2043768A1 (en) 2009-04-08
CA2655147C (en) 2013-09-24
PL2043768T3 (pl) 2011-03-31
WO2008008062A1 (en) 2008-01-17
DE602006016656D1 (de) 2010-10-14
EP2043768B1 (en) 2010-09-01
MX2008016159A (es) 2009-01-20
CN101472673A (zh) 2009-07-01
CA2655147A1 (en) 2008-01-17
BRPI0621805B1 (pt) 2017-11-28

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