CA2119234A1 - Detergent dispensing system - Google Patents

Detergent dispensing system

Info

Publication number
CA2119234A1
CA2119234A1 CA 2119234 CA2119234A CA2119234A1 CA 2119234 A1 CA2119234 A1 CA 2119234A1 CA 2119234 CA2119234 CA 2119234 CA 2119234 A CA2119234 A CA 2119234A CA 2119234 A1 CA2119234 A1 CA 2119234A1
Authority
CA
Canada
Prior art keywords
detergent
chute
water
bar
portion
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.)
Abandoned
Application number
CA 2119234
Other languages
French (fr)
Inventor
James C. Bricker
Robert E. Ebbeler
Michael R. Roseman
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.)
Rathon Corp
Original Assignee
James C. Bricker
Robert E. Ebbeler
Michael R. Roseman
Diversey Corporation
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
Application filed by James C. Bricker, Robert E. Ebbeler, Michael R. Roseman, Diversey Corporation filed Critical James C. Bricker
Priority to BR9107324A priority Critical patent/BR9107324A/en
Priority to CA 2119234 priority patent/CA2119234A1/en
Priority to PCT/CA1991/000386 priority patent/WO1993007798A1/en
Publication of CA2119234A1 publication Critical patent/CA2119234A1/en
Application status is Abandoned legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/42Details
    • A47L15/44Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4436Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants in the form of a detergent solution made by gradually dissolving a powder detergent cake or a solid detergent block

Abstract

An apparatus (12) for dispensing solid (18) or semi-solid detergents includes a hollow elongated opening or chute (16) and an arcuate plate (28) that extends from the side wall of the apparatus to beneath the chute. This plate provides a planar support (17) for a detergent bar (18) placed within the chute. Water (22) is sprayed down the arcuate plate (28) and projects against the detergent (18) supported on the planar support (17) causing it to dissolve and flow down a drain (23). The chute has a unique geometric design which is suitable to receive only one uniquely shaped elongated detergent bar. In a kitchen having several detergent dispensers, each detergent dispenser will have a uniquely defined chute so that only the appropriate detergent can be used in the appropriate dispenser.

Description

' W093/07798 2 1 1 9 2 3 4 PCT/CAgl/~386 . DETERGENT DISPENSING SYSTEM
Backaround of the Invention , In an institutional kitchen such as a restaurant or cafeteria, there are typically a variety of ~ 5 different mechanical warewashing machines which have r; unique functions. For example, one machine or one j portion of a machine may be particularly designed to ~ presoak dirty dishes. A second machine might be designed I to wash the presoaked dishes. Another machine might be designed to scrub pots and panæ and an additional machine might be designed to wash glassware. Generally, each machine will use a unique detergent particularly formulated to perform that unique washing function.
Institutional laundries are similar.
~5 If the wrong detergent is used in the wrong machine, many problems can occur. One problem might be that the composition will simply be ineffective. Another problem could be that the detergent composition miqht leave spots on glasses. Another problem would be that an excessively caustic detergent composition in the wrong machine.
With detergent compositions which are held in a container, this problem can be reduced to a certain extent by providing some uniquely shaped container adapted to fit only in a particular dispenser. But this requires a unique container and dispenser for each application. These can also be confusing to an individual who operates a dishwashing machine since it may not be readily apparent which detergent to use with which machine.
, Su D arv of the Invention The present invention is premised upon the realization that the above problems can be overcome by using a dispensing system which incorporates a plural-ity of different dispensers all designed to project wateragainst a solid or semi-solid detergent to dissolve the detergent. The different dispensers will each have a :~
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wos3/o7798 PCT/CA9l/~ ~6 2tl9234 uniquely shaped opening and chute which will permit only a particular shape of detergent composition to be placed ~ into the opening. Thus, a presoak will have a defined 3 geometric shape and a pot and pan scrubber will have a 5 different but unique geometric shape so that neither can be placed in the wrong dispenser.
The different dispensers used can be identi-cal except for the shape of the chute. Thus, the same toolîng can be used to maXe different dispensers. only 10 the tooling for the chute need by cbanged.
The invention will be further appreciated in light of the following detailed description and drawings in which:
Brief Description of Drawinas Fig. 1 is a diagrammatic depiction of the kitchen employing multiple dispensers according to the present invention;
Fig. 2 i8 a cross sectional view of the present invention taken at lines 2-2 of ~ig. 1;
Fig. 3A is a top view partially broken away of - one embodiment of a detergent block for use in the present invention;
Fig. 3B is a top view of a perspective view of an alternate embodiment of the detergent block for use in the present invention; and ~ Fig. 3C is a top view of a second alternate 0~ embodiment of a detergent block for use in the present invention.
Detailed Description The present invention is described with respect to a kitchen. However it should be understood that this invent~on applies equally to laundry facilities where there are multiple clothes washing machines as opposed to dishwashing machines or apparatuses.
As shown in Fig.~l, a kitchen area 10, equipped witb a plurality of washers lla, llb and llc connected to ~` detergent dispensers 12a, 12b and 12c via drains 23a, ' ~

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23b, and 23c. The detergent dispenser 12 of the present invention is shown more particularly in Fig. 2. It includes a chute 16 adapted to receive a long bar of detergent 18 which will be resting on a support 17.
Betw¢en the support 17 and the chute 16 is a small gap 19 which exposes a bottom portion 21 of the detergent bar 18. A stream 22 of water is impelled against this bottom portion 21 of the detergent bar 18 dissolving it. The dissolved water is directed to drain 23.
More particularly, the detergent dispenser 12 includes a front wall 24, back wall 25 and two side walls 26 and 27. Inside the detergent dispenser 12 is a water slide 28. Water slide 28 is bonded to the side walls 26 and 27 holding it in position. Water slide 28 includes a vertical portion 29 which generally slopes away from the back wall 25. The vertical sloped portion continues to s}ope until it turns into the support 17. The ~upport 17 i8 simply the horizontal planar portion of water slide 28.
A first water inlet 31 is directed against the sloped vertical portion 29 of water slide 28 so that water sprayed from the inlet forms the stream 22 of water.
The water slide extends beneath the chute 16 and has a forwardmost edge 32 which is spaced from the I front wall 24 providing a gap 33 be~ween the water slide and the front wall.
Beneath the water slide is the bottom wall 34 of the dispenser 12. This is a sloped bottom wall that will direct water passing down slide 28 and through the gap 33 to the drain 23.
The chute 16 is relatively interchangeable.
Thus different dispensers can be identical except for the uniquely shaped chute. The chute includes a planar top 35 wall 35 and a horizontal circumferential chute wall 36 which extends down from the top wall 35. An opening 37 extends throuqh the top planar surface into the chute 16 S U E H ~ E T
~, ~ WO 93/07798 PCr/CA9l/00386 , 4 which is open at its bottom. Top wall 35 rests on ledge 38 which extends completely around the four walls of the apparatus 12.
The dispensing apparatus 12 also includes a top 5 cover 39 which covers chute 16. This is connected to the back wall at hinge 41. The top 39 and the top wall 35 of chute 16 also include slots or small openings 42 and 49 respectively adapted to permit water sprays to enter the detergent apparatus.
10As shown in Fig. 2, the dispenser 12 includes a water inlet 43, connectable with supply line 13, which extends to an on/off valve 44. As shown, the valve 44 connects to first water spray 31 and second water spray 45 via tubing 46. The orifice size of sprays 31 and 45 15are provided so that about 20 to 100% of the water passes through spray 31 and acts to dissolve detergent. The water passing from spray 45 goes directly into tube 47.
The space 48 between the spray 4S and tube 47 should eliminate the need for any siphon break. Tube 47 leads 20 to drain 23 acting as a drain assist and sucking in dissolved detergent and foam. Since drain 23 is larger in diameter than tube 47, dissolved detergent passes freely down drain 23 to the respective working apparatus.
In operation, the top cover 39 of the dispenser 25 is lifted and a bar of detergent is dropped into the opening 37 of chute 16. As shown in Fig. 1 and Figs.
3A-3C, the detergent bar has a cross sectional configuration which corresponds to the cross sectional configuration of opening 37 of chute 16. The detergent 30 bar drops through the chute 16 and rests on the support 17 which is the horizontal portion of the water slide 28.
Val~ve 4-g~ls opened and water from inlet 43 flows through up tube 46 to sprays 31 and 45. A first water supply flows through spray 31. This directs water down the 35 water slide 28 against its sloped vertical portion 29.
As this water flows down, it widens out in a fan-shaped pnttern or a sheet of water. This sheet of water ~- SUES~I~U ~ E S~iEET
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W093/07798 2 ~ 1 9 2 3 4 PCT/CA91/00386 impinges against the bar of detergent 18 at the exposed bottom portion 21. This dissolves the exposed portion 21 of the detergent bar. In turn, the dissolved detergent passes beyond the water slide and down to the bottom wall 34 to the drain 23. This is then mixed in drain 23 with the second stream of water which flowed from spray 45 down tube 47 into drain 23.
As shown in the Fig. 2, chute 16 includes an optional pressure switch gO which is adapted to sense the presence of a detergent bar within the chute !6. This can be connected to a warninq light which would tell an operator to insert an additional bar of detergent into the chute 16.
One of the primary benefits of the present invention is the ability to use basically the same dispenser for different detergents without significant modification of the dispenser. Thus, one mold can be used to form a large portion of the dispenser. only the chute need be different to make the dispenser suitable for use only with the appropriate detergent.
As shown in Figs. 3A-~c, the detergent bars each having unique chemical compositions will also have unique shapes. T~ree are sbown but there can be as many as required. Thus, the dishwashing detergent I8a which is formulated for use as a pot and pan scrubber might have an oval shape as shown in Fig. 3A and be inserted in dispensers 12a. The detergent 18b which is used to wash plates and the like and having a composition especially adapted for that application miqht have a square cross-sectional configuration as shown in Fig. 3B and be inserted in dispensers 12b. The detergent composition 18c whncl~is used to wash silverware might have a - cylindrical configuration as shown in Fig. 3C and be inserted in dispensers 12c.
As seen in Fig. 1, a kitchen using a plu-rality of detergents dispensers would have a dispenser for each of these detergents. More particularly, each ~, :
~ ~ SUBSTITU~E SHEET
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t W093/07798 PCT/CA9l/~386 2~1~234 one of these dispensers would have a chute corresponding in shape to the shape of the detergent 3A-3c. Thus the dispenser for the pot and pan scrubber would have an oval ~ shaped chute. This would prevent the operator from ¦ 5 inserting round or square detergent bars.
Any solid detergent formulation can be used as part of the present invention. A suitable detergent formulation i8 disclosed in Bruegge application "Method of Making Paste Detergent and Product Produced, n Serial No. 476,297, filed February 7, 1990, and is hereby incorporated by reference.
As an added feature of the present invention, the detergent compositions 18a, 18b and 18c will preferably be covered in a water soluble wrapper 55 as shown more particularly in Fig. 2 and Figs. 3A-3C.
Such material is sold by CMS Gilbreath under brand name di~solvo pouching DP45. To further facilitate use of the appropriate detergent in the appropriate dispenser, the top 39 of the dispenser can be color coded for the particular detergent. Thus, the oval detergent which is adapted to be used to wash pots and pans, and be used only in an ova} chute, might have a green wrapper. The top 39 of the dispenser for the pot and pan ~crubber likewise would be green.
Likewise, the detergent bar formulated for washing dishes, which is square in shape, might have a blue water soluble wrapper. The top of the dispenser covering the square chute for the dishwashing machine dispenser would likewise be blue and so on.
In a kitchen which would include two, three or more dispensers, this provides many unique advantages.
Tbe~color~,~coating quickly tells an operator what detergent to be used in what dispenser. Since the chutes have a cross sectional configuration which must correspond to the cross sectional configuration of the -~ detergent bar, it is almost impossible to use the wrong detergent in ~he wrong dispenser.

~ - SUBSTI~UTE SHEE~
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, W093/07798 PCT/CA91/~386 ~ 211923~

With smaller tablets, it is possible to force fit the wrong detergent into the wrong dispenser. But with an elongated bar such as this, it is almost impossible to force fit the bar into the detergent dispenser. Since this is a gravity feed dispenser, if the wrong detergent was force fitted into the dispenser, it would not continue to fall down the dispenser where it would be contacted with a lateral spray of water.
The dispenser of the present invention provides many safety features. Since the spray of water is lateral, it is very unlikely t~at it is going to spray out of the dispenser from the top. Since an elongated chute is used this possibility is then again reduced.
The water would simply have to go too far up the dispenser chute to spray out the top.
Since the lateral spray of water is very focused against a relatively small portion of the detergent bar, the possibility of chunks of detergent bar breaking off and falling into the drain, clogging the drain, is substantially r~duced. This is a significant improvement over dispensers which spray upwardly against a tub of detergent.
Further, due to ~ fact that a water soluble wrapper is employed, there is no container to dispose.
This substantially reduces the need to dispose of plastic containers which generally are not biodegradable. This also eliminates the problem of the need to rinse spent containers.
And finally, an extremely significant feature of this invention, it allows almost identical apparatuses , to be employed to dispense multiple detergents. Only one piece of each dispenser would be different. This substantially reduces the costs of manufacturing the i various dispensers.
j 35 Thus, the present invention provides a ¦ multitude of different advantages which aid the user of : ~
~:
~:~ SU~S~rIT!~JTE S~iEET
: ~

WOs3/07798 PCT/CA91/00386 ~ 2119234 the dispenser as well as the manufacturer of the dispenser.
$he preceding has been a description of the present invention and the preferred method currently known of practicing the invention. Howe~er the invention should be defined only by the appended claims wherein we claim:

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Claims (12)

1. In combination an elongated solid detergent bar and an apparatus for dissolving said detergent bar and dispensing dissolved detergent said apparatus comprising an outer wall, an elongated chute spaced from said outer wall and having an open top and an open bottom and having a cross-sectional configuration;
a planar support beneath said chute spaced from said open bottom providing a gap of predetermined height between said chute and said support;
said solid detergent bar having a cross-sectional configuration substantially the same as the cross-sectional configuration of said chute, a solid detergent bar resting in said chute supported by said planar surface whereby only a lower cross-sectional portion of said solid detergent bar is exposed to said gap, said portion having a thickness equal to said gap height;
means to project water at said gap and drain beyond said gap;
whereby said exposed portion of said detergent bar at said bap is dissolved by water projected at said gap and as said portion is dissolved and removed by water flowing toward said drain, fresh solid bar advances into said gap to provide a new lower cross-sectional portion of said bar.
2. The apparatus claimed in claim 1 wherein said chute is vertical and said means to project: water at said gap comprises a water slide having a generally vertical sloped portion extending to said support and a water conduit directing water vertically downwardly against said sloped portion whereby water projected against said sloped portion continues along the surface of the slide to said gap.
3. The dispenser claimed in claim 1 wherein said chute is adapted to surround said detergent bar on all sides except for said top and said bottom.
4. The apparatus claimed in claim 3 wherein said dispenser includes a top cover adapted to cover said chute.
5. The apparatus claimed in claim 1 further comprising a detergent sensor.
6. A method of dispensing a solid detergent bar comprising supporting said detergent bar vertically and exposing only a bottom portion of said bar;
impelling water laterally against said detergent bar at said exposed portion thereby dissolving said detergent bar at said exposed portion thereby dissolving said detergent bar only at said exposed portion, and collecting said dissolved detergent.
7. The method claimed in claim 6 wherein said detergent bar is supported by a horizontal plate and water is impelled as a sheet of water along said horizontal plate.
8. The method claimed in claim 7 wherein water is projected initially vertically down against a sloped slide thereby forming a sheet of flowing water which in turn is directed along said horizontal support.
9. The method claim in claim 7 wherein said sheet of water if formed to have width at least as wide as said detergent bar.
10. A method of dispensing a detergent bar comprising placing said detergent bar in a chute in a vertical position wherein said chute has an open top and bottom;
supporting said detergent on a horizontal plate beneath said chute providing an exposed portion of said
11 detergent bar between said chute and said plate, said horizontal plate being a horizontal portion of a sloped water slide having a sloped vertical position;
directing water downwardly against said sloped water slide whereby said water spreads out into a fan shaped sheet of water flowing along said horizontal support and whereby said water is directed against said exposed portion of said detergent bar thereby dissolving said detergent and forming a diluted detergent solution;
collecting said detergent solution.
11. A detergent dispensing system adapted to dispense a plurality of detergents each detergent having a different chemical composition said system including comprising a plurality of dispensers said dispensers each having a housing each housing supporting a chute all of said dispensers adapted to hold a solid bar of detergent composition and direct a spray of water against said solid bar of detergent composition held within said chute whereby dissolved detergent flows through a drain to a dishwashing apparatus;
each of said chutes having a different cross-section configuration and each chute having an elongated bar of detergent composition having a matching cross-sectional configuration.
12. The combination claimed in claim 1 wherein said chute supports a sensor adapted to detect the presence of said solid lower cross-sectional portion of said bar of detergent in said chute.
CA 2119234 1991-10-25 1991-10-25 Detergent dispensing system Abandoned CA2119234A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR9107324A BR9107324A (en) 1991-10-25 1991-10-25 detergent dispensing system
CA 2119234 CA2119234A1 (en) 1991-10-25 1991-10-25 Detergent dispensing system
PCT/CA1991/000386 WO1993007798A1 (en) 1991-10-25 1991-10-25 Detergent dispensing system

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
AU88531/91A AU668676B2 (en) 1991-10-25 1991-10-25 Detergent dispensing system
DE1991918518 DE609204T1 (en) 1991-10-25 1991-10-25 Dispenser for detergent.
BR9107324A BR9107324A (en) 1991-10-25 1991-10-25 detergent dispensing system
ES91918518T ES2074970T3 (en) 1991-10-25 1991-10-25 Diffuser detergent.
EP19910918518 EP0609204B1 (en) 1991-10-25 1991-10-25 Detergent dispensing system
DE1991623763 DE69123763T2 (en) 1991-10-25 1991-10-25 Dispenser for detergent
AT91918518T AT146348T (en) 1991-10-25 1991-10-25 Dispenser for detergent
DE1991623763 DE69123763D1 (en) 1991-10-25 1991-10-25 Dispenser for detergent
CA 2119234 CA2119234A1 (en) 1991-10-25 1991-10-25 Detergent dispensing system
PCT/CA1991/000386 WO1993007798A1 (en) 1991-10-25 1991-10-25 Detergent dispensing system

Publications (1)

Publication Number Publication Date
CA2119234A1 true CA2119234A1 (en) 1993-04-29

Family

ID=27160041

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2119234 Abandoned CA2119234A1 (en) 1991-10-25 1991-10-25 Detergent dispensing system

Country Status (8)

Country Link
EP (1) EP0609204B1 (en)
AT (1) AT146348T (en)
AU (1) AU668676B2 (en)
BR (1) BR9107324A (en)
CA (1) CA2119234A1 (en)
DE (3) DE69123763T2 (en)
ES (1) ES2074970T3 (en)
WO (1) WO1993007798A1 (en)

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US7765628B2 (en) 2006-06-09 2010-08-03 Whirlpool Corporation Steam washing machine operation method having a dual speed spin pre-wash
US7941885B2 (en) 2006-06-09 2011-05-17 Whirlpool Corporation Steam washing machine operation method having dry spin pre-wash
US7730568B2 (en) 2006-06-09 2010-06-08 Whirlpool Corporation Removal of scale and sludge in a steam generator of a fabric treatment appliance
US7707859B2 (en) 2006-08-15 2010-05-04 Whirlpool Corporation Water supply control for a steam generator of a fabric treatment appliance
US7681418B2 (en) 2006-08-15 2010-03-23 Whirlpool Corporation Water supply control for a steam generator of a fabric treatment appliance using a temperature sensor
US7665332B2 (en) 2006-08-15 2010-02-23 Whirlpool Corporation Steam fabric treatment appliance with exhaust
US7886392B2 (en) 2006-08-15 2011-02-15 Whirlpool Corporation Method of sanitizing a fabric load with steam in a fabric treatment appliance
US7841219B2 (en) 2006-08-15 2010-11-30 Whirlpool Corporation Fabric treating appliance utilizing steam
US7753009B2 (en) 2006-10-19 2010-07-13 Whirlpool Corporation Washer with bio prevention cycle
US8393183B2 (en) 2007-05-07 2013-03-12 Whirlpool Corporation Fabric treatment appliance control panel and associated steam operations
US8555675B2 (en) 2007-08-31 2013-10-15 Whirlpool Corporation Fabric treatment appliance with steam backflow device
US7966683B2 (en) 2007-08-31 2011-06-28 Whirlpool Corporation Method for operating a steam generator in a fabric treatment appliance
US8037565B2 (en) 2007-08-31 2011-10-18 Whirlpool Corporation Method for detecting abnormality in a fabric treatment appliance having a steam generator
US8555676B2 (en) 2007-08-31 2013-10-15 Whirlpool Corporation Fabric treatment appliance with steam backflow device
US7918109B2 (en) 2007-08-31 2011-04-05 Whirlpool Corporation Fabric Treatment appliance with steam generator having a variable thermal output
US7905119B2 (en) 2007-08-31 2011-03-15 Whirlpool Corporation Fabric treatment appliance with steam generator having a variable thermal output
US7861343B2 (en) 2007-08-31 2011-01-04 Whirlpool Corporation Method for operating a steam generator in a fabric treatment appliance
US7690062B2 (en) 2007-08-31 2010-04-06 Whirlpool Corporation Method for cleaning a steam generator
TR201718733T3 (en) 2012-05-30 2017-12-21 Arcelik As Dishwasher comprising detergent dispenser.

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US2686080A (en) * 1945-12-26 1954-08-10 Soapsudzer Inc Process of impregnating a liquid with a substance miscible therewith
US2537790A (en) * 1948-01-13 1951-01-09 Sage Laboratories Detergent dissolving device
DE2967361D1 (en) * 1978-12-05 1985-02-28 Economics Lab Dispenser for solid block detergent compositions
US4426362A (en) * 1978-12-05 1984-01-17 Economics Laboratory, Inc. Solid block detergent dispenser
DE3620900C2 (en) * 1986-06-21 1989-08-10 Lang Apparatebau Gmbh, 8227 Siegsdorf, De
NZ223769A (en) * 1987-04-30 1990-03-27 Ecolab Inc Dishwasher has one water entry
GB8717407D0 (en) * 1987-07-23 1987-08-26 Diversey Corp Dispenser
GB2226233A (en) * 1988-12-22 1990-06-27 Unilever Plc Dispenser

Also Published As

Publication number Publication date
EP0609204A1 (en) 1994-08-10
AT146348T (en) 1997-01-15
AU8853191A (en) 1993-05-21
WO1993007798A1 (en) 1993-04-29
DE69123763D1 (en) 1997-01-30
ES2074970T3 (en) 1997-05-16
DE69123763T2 (en) 1997-07-10
DE609204T1 (en) 1995-07-06
ES2074970T1 (en) 1995-10-01
EP0609204B1 (en) 1996-12-18
AU668676B2 (en) 1996-05-16
BR9107324A (en) 1996-01-02

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