WO2002020708A1 - Polycarboxylic acid containing three-in-one dishwashing composition - Google Patents
Polycarboxylic acid containing three-in-one dishwashing composition Download PDFInfo
- Publication number
- WO2002020708A1 WO2002020708A1 PCT/EP2001/009274 EP0109274W WO0220708A1 WO 2002020708 A1 WO2002020708 A1 WO 2002020708A1 EP 0109274 W EP0109274 W EP 0109274W WO 0220708 A1 WO0220708 A1 WO 0220708A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- dishwashing
- dishwashing composition
- group
- composition
- hydrophobically modified
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/378—(Co)polymerised monomers containing sulfur, e.g. sulfonate
Definitions
- This invention is directed to a composition for use in a dishwashing machine. More particularly, the invention is directed to a superior dishwashing composition that has a hydrophobically modified polycarboxylic acid and a water soluble polymer that reduces phosphate scale formation.
- the dishwashing composition unexpectedly results in excellent cleaning properties and excellent glass appearance when used to clean glassware even in the presence of hard water and in the absence of conventional rinse aid compositions.
- Dishwashing compositions constitute a generally recognised distinct class of detergent compositions, particularly when compared to detergents designed for fabric washing.
- the ultimate dishwashing composition results in a spotless and film-free appearance on glassware and silverware after a cleaning cycle in a dishwashing machine.
- detergent compositions which result in greasy, oily or soapy residues on items that were cleaned can be tolerated.
- washing articles in a commercially available dishwashing machine entails using three products.
- Salt is added to the salt compartment to recharge the ion exchanger which softens the water, a dishwashing formulation is used to clean the articles and a rinse aid is used to ensure that the articles are rinsed with no streaks or smears. Consumers generally find it very inconvenient, however, to replace or refill such products.
- pH sensitive 2-in-l tablets Other types of tablets that are well known are often referred to as pH sensitive 2-in-l tablets . These types of tablets have a detergent portion and rinse aid portion that is contained in a pH sensitive material.
- the pH sensitive 2-in-l tablets may be used in wash cycles that exceed 55°C.
- the pH sensitive 2-in-l tablets require that salt be added to the dishwashing machine in order to obtain optimal cleaning results and they are extremely expensive to produce .
- a dishwashing composition such as a dishwashing tablet, that works well at all wash temperatures of a dishwashing system (even temperatures greater than 55 °C) , provides antiscaling benefits in a system that is high in phosphate content (in hard water) , does result in excellent cleaning benefits in water that has not been subjected to conventional water softening additives (i.e., hard water) and provides a glossy glassware appearance in the absence of conventional rinse aid compositions.
- This invention therefore, is directed to a dishwashing composition that has a hydrophobically modified polycarboxylic acid and a water soluble polymer that reduces phosphate scale formation on glassware being cleaned.
- the dishwashing composition is superior in that it unexpectedly results in excellent cleaning properties, and reduced spotting and scale formation even when no salt is added to the dishwashing machine to soften hard water, when washing cycles exceed a temperature of 55 °C, and when no rinse aid composition is added to the dishwashing machine.
- the present invention is directed to a superior 3- in-1 detergent composition that is inexpensive to produce and very easy for the consumer to use .
- a dishwashing composition with a coated core is described.
- the coated core has a substance that exerts function in a clear rinse cycle.
- dishwashing composition that has a hydrophobically modified polycarboxylic acid and a water soluble polymer that reduces phosphate scale formation wherein the dishwashing composition results in excellent cleaning properties and glass appearance when used, for example, in the presence of hard water, in the absence of rinse aid compositions and even in a washing cycle that exceeds a temperature of 55°C.
- the present invention is directed to a hard water dishwashing composition effective for cleaning and reducing spotting and phosphate scale formation on glassware, the dishwashing composition comprising: a) a hydrophobically modified polycarboxylic acid; and b) a water soluble polymer that reduces phosphate scale formation.
- this invention is directed to a method for minimizing spotting and phosphate scale formation on glassware being cleaned, comprising the steps of:
- a dishwashing composition comprising a hydrophobically modified polycarboxylic acid, and a water soluble polymer that reduces phosphate scale formation; b) subjecting the glassware to hard water; and c) removing the glassware from the hard water
- the glassware is not subjected to a rinse aid composition.
- this invention is directed to a package comprising the dishwashing composition described in the first aspect of this invention and instructions not to use a rinse aid composition or conventional water softening salts or both.
- glassware is defined to include drinking glasses and any other articles typically found in a commercial or domestic dishwasher. Detailed Description of the Preferred Embodiments
- a hydrophobically modified polycarboxylic acid is defined to mean a compound, oligomer or polymer having at least one carboxylic acid group and at least one group that is not water soluble.
- the type of hydrophobically modified polycarboxylic acid that may be used in this invention other than that the polycarbocylic acid can be used in a dishwashing composition that comprises a water soluble polymer that reduces phosphate scale formation.
- Such a hydrophobically modified polycarboxylic acid often has a weight average molecular weight of greater than about 175 and less than about 1.5 million, and preferably, greater than about 200 and less than about 1 million; and most preferably, greater than about 225 and less than about 750 thousand, including all ranges subsumed therein.
- the preferred hydrophobically modified polycarboxylic acid which may be used in this invention comprises at least one structural unit of the formula:
- each R 1 and R 2 are independently a hydrogen, hydroxy, alkoxy, carboxylic acid group, carboxylic acid salt, ester group, amide group, aryl , C ⁇ _ 20 alkyl, C 2 - 0 alkenyl, C 2 _ 20 alkynyl or a polyoxyalkylene condensate of an aliphatic group, n is an integer from about 0 to 8 , z is an integer from about 1 to about 8, t is an integer from about 0 to about 2,000 and a is an integer from about 0 to about 2,000, with the proviso that a and t are not simultaneously 0 and at least one R 1 or one R 2 is a carboxylic acid group, or a salt thereof.
- the hydrophobically modified polycarboxylic acid used in this invention comprises at least one structural unit represented by formula I (t ⁇ l) with at least one R 1 as a carboxylic acid group (or salt thereof) , and at least one structural unit represented by formula II (a ⁇ l) with at least one R 2 group as a C 4 - 0 alkyl group or a C 8 _ 30 ethoxylated condensate of an aliphatic group.
- the modified polycarboxylic acid used in this invention comprises structural units represented by formula I and structural units represented by formula II wherein a is from about 80% to about 120% of t, and at least two R 1 groups are carboxylic acid groups (or salts thereof) and at least one R 2 group is a methyl group and at least one R 2 group is a C 5 alkyl, and n is 0 and z is 1.
- hydrophobically modified polycarboxylic acids which may be used in this invention are typically prepared by reacting the desired precursors (sp 2 bonded monomers) under free radical polymerization conditions. Such polycarboxcylic acids are also commercially available from suppliers like Rohm & Haas and DuPont . A more detailed description of the types of hydrophobically modified polycarboxylic acids which may be used in this invention, including the process for making the same, may be found in U.S. Patent No. 5,232,622, the disclosure of which is incorporated herein by reference.
- hydrophobically modified polycarboxylic acids are made available by Rohm & Haas under the names Acusol 820 and 460, respectively.
- hydrophobically modified polycarboxylic acid there is generally no limitation with respect to how much hydrophobically modified polycarboxylic acid may be used in this invention other than the amount used results in a dishwashing composition. Typically, however, from about 0.1 to about 10.0, and preferably, from about 0.2 to about 7.0, and most preferably from about 0.3 to about 5.0% by wt . of the dishwashing composition is a hydrophobically modified polycarboxylic acid, based on total weight of the dishwashing composition, including all ranges subsumed therein.
- such a polymer often comprises at least one structural unit derived from a monomer having the formula:
- R 1 is a group comprising at least one sp 2 bond
- Z is O, N, P, S, or an amido or ester link
- A is a mono- or a polycyclic aromatic group or an aliphatic group and each p is independently 0 or 1 and B + is a monovalent cation.
- R 1 is a C 2 to C 6 alkene (most preferably ethene or propene) .
- R 1 is ethenyl
- Z is preferably amido
- A is preferably a divalent butyl group
- each p is 1
- B + is Na + .
- Such a monomer is polymerized and sold as Acumer 3100 by Rohm & Haas.
- the water soluble polymer is derived from at least one monomer with R 1 as 2-methyl-2-propenyl, Z as oxygen, A as phenylene, each p as 1 and B + as Na + , and at least one monomer with R 1 as 2- methyl-2-propenyl , each p as 0 and B + as Na + .
- Such monomers are polymerized and sold under the name Alcosperse 240 by Alco Chemical.
- polymers used may be a homopolymer or copolymer, including terpolymers .
- polymers of this invention may be terminated with conventional termination groups resulting from precursor monomers and/or initiators that are used.
- water soluble polymer that reduces phosphate scale formation is used in this invention as long as the amount used results in a dishwashing composition.
- from about 0.5 to about 10.0, and preferably, from about 1.0 to 7.0, and most preferably, from about 1.5 to about 4.5% by weight water soluble polymer is used, based on total weight of the dishwashing composition, including all ranges subsumed therein.
- These water soluble polymers typically have a weight average molecular weight from about 1,000 to about 50,000.
- Phosphate containing builders are a preferred additive in this invention. Such builders typically make up from about 5.0 to about 75.0% by weight of the total weight of the dishwashing composition, including all ranges subsumed therein.
- the amount of phosphate containing builder employed is from about 10.0 to about 70.0, and most preferably, from about 15.0 to about 65.0% by weight based on total weight of the dishwashing composition and including all ranges subsumed therein.
- the phosphate containing builders which may be used in this invention are well known, for example, for binding metals such as Ca and Mg ions, both of which are often abundant in hard water found in dishwashing machines.
- An illustrative list of the phosphate builders which may be used in this invention include sodium, potassium and ammonium pyrophosphate; alkali metal tripolyphosphates, sodium and potassium orthophosphate and sodium polymetaphosphate, with sodium tripolyphosphate being especially preferred.
- additives which may be used in this invention include well known items such as perfumes, antifoaming agents, anti-tarnish agents, and processing aids (e.g., polyethylene glycol) which aid in forming tablet-type dishwashing compositions.
- processing aids e.g., polyethylene glycol
- Such additives collectively, do not normally make up more than about 8.0% by weight of the total weight of the dishwashing composition.
- dishwashing bleaches and activators from e.g., from about 0.02 wt . % to about 25.0 wt . %, based on total weight of the dishwashing composition.
- Such bleaches include inorganic and organic peracids as well as salts thereof. Examples include epsilon phthalimido perhexanoic acid and Oxone ® , respectively.
- bleaches which may be used in this invention include hydrogen peroxide and its precursors (e.g., sodium perborate and sodium percarbonate) .
- bleach activators including catalysts
- activators include N,N,N',N'- tetraacetylethylenediamine , nonanyoloxybenzenesulfonate , cationic nitriles, cholyl (4-sulfophenyl) carbonate, and quaternary imine salts (e.g., N-methyl-3 , 4- dihydrooisoquinolinium p-toluenesulfonate) .
- bleach activators which may be used include transition metal-containing bleach catalysts such as [Mn IV 2 ( ⁇ -0) 3 (Me 3 TACN) 2 ] (PF 6 ) 2 (as described in U.S. Patent Nos . 4,728,455, 5,114,606, 5,153,161, 5,194,416, 5,227,084, 5,244,594, 5,246,612, 5,246,621, 5,256,779, 5,274,147, 5,280,117), [Fe 11 (MeN4py) (MeCN) ] (CI0 4 ) 2 (as described in EP 0 909 809) and [Co 111 (NH 3 ) 5 (OAc) ] (OAc) 2 (as described in U.S. Patent No. 5,559,261, WO 96/23859, WO 96/23860, WO 96/23861) , the disclosures of which are incorporated herein by reference .
- transition metal-containing bleach catalysts such as [Mn IV 2 ( ⁇ -0
- the former typically make up from about 0.5 to about 10.0% by weight of the total weight of the dishwashing composition and include proteases like Savinase ® , Purafect Ox ® and Properase ® and amylases like Termamyl ® , Purastar ST ® and Purastar Ox Am ® , all of which are commercially available.
- the latter typically make up from about 5.0 to about 25.0% by weight of the total weight of the dishwashing composition and include well known buffers like sodium disilicate, sodium metasilicate and sodium carbonate.
- dishwashing composition of this invention When washing glassware with the dishwashing composition of this invention, soiled glassware is typically placed in a conventional domestic or commercial dishwashing machine as is the dishwashing composition of this invention (in no particular order) .
- the dishwashing composition in the form of a liquid, powder or detergent tablet, preferably a tablet, then dissolves in the water of the dishwasher to wash the glassware.
- the typical dishwashing cycle is from about 10 minutes until about 60 minutes and the typical temperature of the water in the dishwasher is from about 40°C to about 70°C.
- the glassware resulting from the above- described cleaning method is clean and has an excellent glass appearance (i.e., substantially free of film and spots) . Such results are unexpectedly obtained even when hard water at high temperatures (greater than 55°C) is used, in the absence of rinse aid compositions.
- the dishwashing composition is formed into a tablet and sold in a package with directions to add the dishwashing composition to the dishwashing machine as a 3-in-l product.
- a dishwasher is charged with the dishwashing composition of this invention without having to add to the dishwasher conventional rinse aid compositions and sodium chloride.
- Typical dishware set used for machine dishwasher tests included the following articles: (1) on the upper rack: 8 clean drinking glasses, 2 lipstick stained drinking glasses 1 Tupperware container and 4 tea stained cups; and (2) on the lower rack: 4 ceramic and 4 stainless steel plates with baked-on egg yolk soil, 4 wheat soiled, 4 potato soiled and 4 Roux Blanc soiled ceramic plates.
- 40 grams of ASTM standard food soil, described in Section 5.2 of ASTM Method D 3556-85, "Standard Test Method for Deposition on Glassware During mechanical Dishwashing" was spread on the dishwasher door prior to the beginning of each machine test. This soil consists of 80 % margarine and 20 % low fat powdered milk.
- Examples 1-6 Acusol 460, a copolymer of diisobutylene and maleic acid, MW 15,000, supplied by Rohm and Haas Company;
- Examples 7-12 Acusol 820, a copolymer of acrylic acid with C 18 and with EO 20 C ⁇ 3 side chains, MW about 500,000, supplied by Rohm and Haas Company.
- the hydrophobically modified polymer is Acusol 460, supplied by Rohm and Haas. 2 " Alcosperse 240 supplied by Alco Chemical. 3- Acumer 3100 supplied by Rohm and Haas. 4 " Acusol 445 supplied by Rohm and Haas. 5 ' Sokalan PA25 supplied by BASF. 6 - Sokalan CP5 supplied by BASF. 7 ' Dequest 2016 supplied by Solutia Chemical. Examples 7-12
- the hydrophobically modified polymer is Acusol 820, supplied by Rohm and Haas
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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)
- Detergent Compositions (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU9375701A AU9375701A (en) | 2000-09-08 | 2001-08-09 | Polycarboxylic acid containing three-in-one dishwashing composition |
JP2002525716A JP2004508455A (en) | 2000-09-08 | 2001-08-09 | Three-in-one dishwashing composition containing polycarboxylic acid |
AU2001293757A AU2001293757B2 (en) | 2000-09-08 | 2001-08-09 | Polycarboxylic acid containing three-in-one dishwashing composition |
BR0113559-7A BR0113559A (en) | 2000-09-08 | 2001-08-09 | Effective dishwashing composition for hard water glassware cleaning, method for minimizing stain formation and phosphate scale in the glassware being cleaned, and set for a dishwasher |
DE60124120T DE60124120T2 (en) | 2000-09-08 | 2001-08-09 | POLYCARBONIC ACID CONTAINING THREE-IN DISHWASHING AGENT |
CA002420356A CA2420356A1 (en) | 2000-09-08 | 2001-08-09 | Polycarboxylic acid containing three-in-one dishwashing composition |
EP01974165A EP1315790B1 (en) | 2000-09-08 | 2001-08-09 | Polycarboxylic acid containing three-in-one dishwashing composition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/658,175 US6521576B1 (en) | 2000-09-08 | 2000-09-08 | Polycarboxylic acid containing three-in-one dishwashing composition |
US09/658,175 | 2000-09-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002020708A1 true WO2002020708A1 (en) | 2002-03-14 |
Family
ID=24640205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/009274 WO2002020708A1 (en) | 2000-09-08 | 2001-08-09 | Polycarboxylic acid containing three-in-one dishwashing composition |
Country Status (11)
Country | Link |
---|---|
US (2) | US6521576B1 (en) |
EP (1) | EP1315790B1 (en) |
JP (1) | JP2004508455A (en) |
AR (1) | AR030618A1 (en) |
AT (1) | ATE343623T1 (en) |
AU (2) | AU9375701A (en) |
BR (1) | BR0113559A (en) |
CA (1) | CA2420356A1 (en) |
DE (1) | DE60124120T2 (en) |
WO (1) | WO2002020708A1 (en) |
ZA (1) | ZA200300834B (en) |
Cited By (20)
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---|---|---|---|---|
WO2003006594A1 (en) * | 2001-07-07 | 2003-01-23 | Henkel Kommanditgesellschaft Auf Aktien | Aqueous '3 in 1' dish washer agent |
WO2005090540A1 (en) * | 2004-03-15 | 2005-09-29 | The Procter & Gamble Company | Surface-treating compositions containing sulfonated/carboxylated polymers |
WO2005090541A1 (en) * | 2004-03-15 | 2005-09-29 | The Procter & Gamble Company | Methods of treating surfaces using surface-treating compositions containing sulfonated/carboxylated polymers |
WO2006029806A1 (en) * | 2004-09-14 | 2006-03-23 | Basf Aktiengesellschaft | Cleaning formulations for dishcleaning machine containing hydrophobically modified polycarboxylate |
WO2006029794A1 (en) * | 2004-09-14 | 2006-03-23 | Basf Aktiengesellschaft | Clear rinsing agent containing hydrophobically modified polycarboxylates |
US7153816B2 (en) | 2001-08-17 | 2006-12-26 | Henkel Kommanditgesellschaft Auf Aktien (Henkel Kgaa) | Dishwasher detergent with improved protection against glass corrosion |
US7192911B2 (en) | 2001-07-07 | 2007-03-20 | Henkel Kgaa | Nonaqueous 3 in 1 dishwasher products |
US7285171B2 (en) | 2002-12-19 | 2007-10-23 | The Procter & Gamble Company | Anti-filming materials, compositions and methods |
US7415983B2 (en) | 2003-12-18 | 2008-08-26 | Ecolab Inc. | Method of cleaning articles in a dish machine using an acidic detergent |
WO2008132133A1 (en) * | 2007-04-25 | 2008-11-06 | Basf Se | Phosphate-free dishwasher detergent with excellent rinsing power |
WO2008132131A1 (en) * | 2007-04-25 | 2008-11-06 | Basf Se | Dishwasher detergent with excellent rinsing power |
WO2009034355A1 (en) * | 2007-09-14 | 2009-03-19 | Reckitt Benckiser N.V. | Pyrrolidone containing detergent composition |
WO2009033830A1 (en) * | 2007-09-10 | 2009-03-19 | Henkel Ag & Co. Kgaa | Cleaning process |
WO2009033973A1 (en) * | 2007-09-10 | 2009-03-19 | Henkel Ag & Co. Kgaa | Detergents |
EP1491621B2 (en) † | 2003-06-28 | 2014-10-01 | Dalli-Werke GmbH & Co. KG | Alpha-olefin and alpha-olefin-cellulose granulates as disintegrants |
US9127235B2 (en) | 2013-10-09 | 2015-09-08 | Ecolab Usa Inc. | Alkaline detergent composition containing a carboxylic acid/polyalkylene oxide copolymer for hard water scale control |
US9441189B2 (en) | 2005-11-07 | 2016-09-13 | Reckitt Benckiser Finish B.V. | Composition |
US9487738B2 (en) | 2013-10-09 | 2016-11-08 | Ecolab Usa Inc. | Solidification matrix comprising a carboxylic acid terpolymer |
EP2364351B1 (en) | 2008-12-05 | 2017-05-17 | Henkel AG & Co. KGaA | Cleaning composition |
US9752100B2 (en) | 2007-02-06 | 2017-09-05 | Henkel Ag & Co. Kgaa | Detergents |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6521576B1 (en) * | 2000-09-08 | 2003-02-18 | Unilever Home & Personal Care Usa, Division Of Conopco, Inc. | Polycarboxylic acid containing three-in-one dishwashing composition |
MXPA04004523A (en) * | 2001-11-14 | 2004-08-11 | Procter & Gamble | Automatic dishwashing composition in unit dose form comprising an anti-scaling polymer. |
US20050203263A1 (en) * | 2004-03-15 | 2005-09-15 | Rodrigues Klein A. | Aqueous treatment compositions and polymers for use therein |
US20060094636A1 (en) * | 2004-11-01 | 2006-05-04 | National Starch And Chemical Investment Holding Corp. | Hydrophobically modified polymers |
US20070015674A1 (en) * | 2005-06-30 | 2007-01-18 | Xinbei Song | Low phosphate automatic dishwashing detergent composition |
DE102005041349A1 (en) * | 2005-08-31 | 2007-03-01 | Basf Ag | Phosphate-free cleaning formulation, useful for dishwasher, comprises: copolymers from monoethylenic unsaturated monocarboxylic acids; complexing agent; nonionic surfactant, bleaching agent; builder; enzyme; and additives |
US20150107629A1 (en) * | 2013-10-22 | 2015-04-23 | Church & Dwight Co., Inc. | Enzyme-containing automatic dishwashing booster/rinse aid composition, kit containing the same and method of using the same |
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2000
- 2000-09-08 US US09/658,175 patent/US6521576B1/en not_active Expired - Fee Related
-
2001
- 2001-08-09 AU AU9375701A patent/AU9375701A/en active Pending
- 2001-08-09 DE DE60124120T patent/DE60124120T2/en not_active Expired - Lifetime
- 2001-08-09 AT AT01974165T patent/ATE343623T1/en not_active IP Right Cessation
- 2001-08-09 CA CA002420356A patent/CA2420356A1/en not_active Abandoned
- 2001-08-09 JP JP2002525716A patent/JP2004508455A/en not_active Withdrawn
- 2001-08-09 AU AU2001293757A patent/AU2001293757B2/en not_active Expired - Fee Related
- 2001-08-09 BR BR0113559-7A patent/BR0113559A/en not_active IP Right Cessation
- 2001-08-09 EP EP01974165A patent/EP1315790B1/en not_active Revoked
- 2001-08-09 WO PCT/EP2001/009274 patent/WO2002020708A1/en active IP Right Grant
- 2001-09-06 AR ARP010104236A patent/AR030618A1/en unknown
-
2002
- 2002-12-16 US US10/320,115 patent/US6617302B2/en not_active Expired - Fee Related
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2003
- 2003-01-30 ZA ZA200300834A patent/ZA200300834B/en unknown
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Also Published As
Publication number | Publication date |
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EP1315790A1 (en) | 2003-06-04 |
US6521576B1 (en) | 2003-02-18 |
AU2001293757B2 (en) | 2006-04-27 |
AR030618A1 (en) | 2003-08-27 |
CA2420356A1 (en) | 2002-03-14 |
ATE343623T1 (en) | 2006-11-15 |
US20030130151A1 (en) | 2003-07-10 |
AU9375701A (en) | 2002-03-22 |
BR0113559A (en) | 2003-08-05 |
DE60124120D1 (en) | 2006-12-07 |
ZA200300834B (en) | 2004-02-09 |
EP1315790B1 (en) | 2006-10-25 |
DE60124120T2 (en) | 2007-02-08 |
US6617302B2 (en) | 2003-09-09 |
JP2004508455A (en) | 2004-03-18 |
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