WO2004056218A1 - Composition a priser humide comprenant au moins un agent epaississant et son procede de preparation - Google Patents

Composition a priser humide comprenant au moins un agent epaississant et son procede de preparation Download PDF

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Publication number
WO2004056218A1
WO2004056218A1 PCT/SE2003/002031 SE0302031W WO2004056218A1 WO 2004056218 A1 WO2004056218 A1 WO 2004056218A1 SE 0302031 W SE0302031 W SE 0302031W WO 2004056218 A1 WO2004056218 A1 WO 2004056218A1
Authority
WO
WIPO (PCT)
Prior art keywords
weight
thickening agent
moist snuff
xanthan gum
gum
Prior art date
Application number
PCT/SE2003/002031
Other languages
English (en)
Inventor
Jörgen LUNDIN
Fredrik Hodin
Jan Arnarp
Original Assignee
Swedish Match North Europe Ab
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
Priority claimed from US10/322,469 external-priority patent/US20040118422A1/en
Priority claimed from SE0203776A external-priority patent/SE0203776D0/xx
Application filed by Swedish Match North Europe Ab filed Critical Swedish Match North Europe Ab
Priority to AT03781248T priority Critical patent/ATE430493T1/de
Priority to EP03781248A priority patent/EP1575383B1/fr
Priority to SI200331629T priority patent/SI1575383T1/sl
Priority to AU2003288867A priority patent/AU2003288867A1/en
Priority to DK03781248T priority patent/DK1575383T3/da
Priority to DE60327556T priority patent/DE60327556D1/de
Publication of WO2004056218A1 publication Critical patent/WO2004056218A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B13/00—Tobacco for pipes, for cigars, e.g. cigar inserts, or for cigarettes; Chewing tobacco; Snuff

Definitions

  • a moist snuff composition comprising at least one thickening agent and a method for its manufacture
  • This invention concerns the technical field of tobacco products, in particular a moist snuff tobacco composition comprising a thickening agent, a method for obtaining a said
  • Moist snuff and other tobacco products presently available on the market are difficult to form. Their formability is very limited which is a drawback for consumers wishing to 0 form a certain amount of tobacco product, preferably moist snuff, into a dainty and inviting piece of tobacco product. Also the water keeping characteristics of the tobacco products of today have drawbacks.
  • the present invention solves one or more of the above problems by providing according to a first aspect a moist snuff composition comprising at least one water-soluble thickening agent whereby it has an ability to be formed into cohesive strings or thin plates that can be rolled up on a reel depending on the amount of thickening agent.
  • a method for manufacturing a composition according to the first 0 aspect comprises adding at least one water soluble thickening agent to a moist snuff composition, preferably snus, which comprises a tobacco raw material.
  • tobacco raw material or “tobacco” (used interchangeably in the present description) embrace any tobacco type available or mixtures thereof.
  • tobacco types are: Rustica, Virginia, Burley, Oriental and Kentucky.
  • the tobacco is tobacco in powder form, moist snuff or finely divided tobacco.
  • Most preferred the tobacco is moist snuff produced essentially in accordance with GothiaTek ® (trademark owned by Swedish Match) standard.
  • the smoke less tobacco composition (or smoke less tobacco product) according to the first aspect of the invention is preferably a chewing tobacco, nasal snuff or a moist snuff product, most preferred a moist snuff product.
  • the smoke less tobacco composition (or smoke less tobacco product) according to the first aspect of the invention is especially preferred a snus or a moist snuff product manufactured in accordance with GothiaTek ® standard.
  • thickening agent embrace any thickening agent or mixtures thereof for use in food products which enables the characteristics and consistency of the moist snuff according to the first aspect of the present invention. Further said thickening agent is water soluble.
  • the thickening agent is preferably selected from the group consisting of xanthan gum (E415) (or derivatives thereof), Acacia gum (incl. gum Arabic E414) and gums from the group of galactomannans (e.g. locust bean gum (Carob) (E410) or guar gum (E412)) or combinations thereof or mixtures comprising xanthan gum such as Thixogum STM or Thixogum XTM.
  • Thixogum STM and Thixogum XTM thickening agents are (trademark owned by Colloides Naturels, Inc) e.g. provided by Kemiflor AB.
  • thickening agents may also additionally be added such as alginates (E 400 to 405), carboxymethylcellulose (CMC) (E466), other types of cellulose (E460 till E465), pectins (E440), carrageenan (E407), Furcellaran, Tragacanth gum (E413), Karaya gum (E416), and Gellan gum (E418) or combinations (mixtures) thereof.
  • the thickening agent is preferably added in the form of an aqueous solution or dispersion giving 0.00001-20 % (weight) of thickening agent in the end product.
  • the thickening agent is then treated before added to the tobacco as follows:
  • the thickening agent is added, preferably by dusting, into an aqueous solution under heating and vigorous stirring, preferably when a vortex appears in the solution.
  • the thickening agent may also be "dusted" without using a carrier, i.e. a liquid as set out above, into the tobacco.
  • the tobacco is then treated so that a large surface area is available for the thickening agent dust to blend in.
  • the desired characteristics of the end product may also be amplified by adding compounds comprising potassium and/or calcium ions.
  • Snus i.e. one example of a moist snuff, produced in accordance with GothiaTek ® standard is manufactured using essentially the following method set out below:
  • the moist snuff is made from selected tobaccos, salts, humectants and flavour additives.
  • the moist snuff is made from mainly air cured tobaccos. Tobacco may be purchased from North and South America, Asia and also from a few countries in Africa and Europe. Tobacco samples are taken already in the farmers' barns and sent to laboratories for analysis. When making snus the main ingredients except for tobacco are normally water, salt (table salt; NaCI) and sodium carbonate. Flavour additives and humectants may also be used.
  • one or more thickening agents are added to the tobacco composition, preferably a moist snuff composition.
  • Salt is added mainly for its effect on taste but also has a preservative action which contributes to improved shelf life of the products.
  • Sodium carbonate is used to give the products their characteristic flavour profile but also brings the pH value to the slightly alkaline side. Sodium carbonate will convert to baking soda immediately after it is added.
  • Flavour additives in general are natural or artificial flavour compounds that comply with food regulations. Flavours are usually dissolved in alcohol when added. Most of the alcohol evaporates during production. Only trace quantities remain. Humectants may also be added to protect the products from drying out. Two types may be used: glycerol and propylene glycol. Both of them also have a preservative effect since they lower the water activity of the product, thus preventing micro organisms from growing.
  • the moist snuff is manufactured in three major steps, a) grinding (cutting) and b) processing (see also figure 1). a) Grinding, sieving
  • the tobacco is broken up, dried and fed into a grinder.
  • the ground tobacco is sieved into three particle size fractions, coarse, medium and fine.
  • Pre-set quantities of the three fractions are fed into a mixer silo where the tobacco flour is mixed.
  • the tobacco flour is fed into a storage silo, from which flour is automatically taken to the processing operation.
  • Each type of tobacco mixture is kept in a separate silo.
  • Manufacturing of moist snuff is preferably done in a batch operation.
  • the whole process may be computer controlled and can be run day and night, all week around.
  • tobacco flour is automatically weighed and fed into the process blender.
  • Water and salt is added to the batch under stirring.
  • the batch is then heated and kept heated up for a specified time, which varies with brands.
  • Temperature and stirring is preferably controlled by a process computer program. This part of the process is traditionally named "sweating" but is more close to a pasteurisation process. After pasteurisation the moist snuff batch is cooled down and the rest of the ingredients are added.
  • the thickening agent may be added, in accordance with the present invention, at any time during the above processing steps.
  • the thickening agent(s) is (are) preferably added at the end of the processing.
  • the thickening agent(s) is (are) further preferably added in the form of a solution as set out above.
  • the power of the mixing and the time period for the mixing may be crucial for obtaining an optimal product.
  • Some of the above mentioned water may be used to form an aqueous solution of the thickening agent before adding said agent to the tobacco during the above process. This may enhance the water keeping characteristics of the end product, preferably a moist snuff.
  • the water-binding characteristics of the thickening agent(s) may also help to prohibit microbiological growth.
  • a moist snuff composition wherein it is an essentially homogenous moist snuff composition and the thickening agent is present in a range of from 0.00001 to 20 % in the finished product.
  • a moist snuff composition comprising one or more thickening agent(s) from 0.00001 to 20 % (weight weight) and water from 30 to 65 % (weight/weight), preferably 0.1 to 3 % (weight/weight) thickening agent and 35 to 60 % (weight/weight) water.
  • the amount of water may preferably be above approximately 36 %.
  • a moist snuff composition comprising one or more thickening agent(s) comprising one or more thickening agent(s) from 1 to 3 % (weight weight), preferably from 1 to 2 % (weight/weight).
  • Said embodiment with from about 1 % up to about 3 % (weight/weight) of thickening agent is preferably used when presenting the moist snuff composition in the form of a plate, which may be thin, or stripes which may form a reel or coil, which optionally may be equipped with spacing paper intermediate the layers in the reel or coil.
  • a moist snuff composition comprising one or more thickening agent(s) from about 0.1 to 1 % (weight/weight), preferably 0.1 to 0.6 % (weight/weight). Said embodiment with up to about 1 % of thickening agent may suitably be used when presenting the moist snuff composition in the form of an easily dispensable dough, e.g. in the form of a cylinder or cuboid.
  • a moist snuff composition wherein the thickening agent is xanthan gum or a mixture comprising xanthan gum.
  • a moist snuff composition wherein said mixture comprising xanthan gum comprises i) xanthan gum and a galactomannan, ii) xanthan gum and locust bean gum or iii) xanthan gum and guar gum, preferably said mixture comprises ii) xanthan gum and locust bean gum.
  • a moist snuff composition wherein said mixture comprising xanthan gum comprises iv) Acacia gum and xanthan gum; or Thixogum STM or Thixogum XTM.
  • a moist snuff composition wherein the moist snuff comprises snus.
  • the thickening agent is a mixture comprising i) xanthan gum and a galactomannan, or ii) xanthan gum and locust bean gum or iii) xanthan gum and guar gum or iv) Acacia gum and xanthan gum or Thixogum STM or Thixogum XTM, preferably ii) xanthan gum and locust bean gum.
  • a method comprising the following steps: a) grinding or cutting and optionally sieving, of tobacco raw material, b) processing of tobacco obtained in step a); c) and optionally packing, wherein at least one thickening agent is added either during the processing step b) or after the processing step in step b) at room temperature.
  • step b) comprises the following steps: i) adding water and NaCI to the tobacco flour under stirring to form a mixture; ii) heating and keeping the mixture heated up, thus achieving a pasteurisation or "sweating" of the mixture; iii) cooling the moist snuff mixture; and iv) adding at least one thickening agent and optionally other ingredients such as other salts, humectants and flavour additives.
  • the thickening agent is added in the form of an aqueous solution or dispersion, or is added in a solid form, giving 0.00001-20 % (weight) of thickening agent in the end product, preferably from 0.00001 to 3 % (weight/weight).
  • the thickening agent is added to give from 1 to 3 % (weight/weight) of thickening agent in the end product, preferably from 1 to 2 % (weight/weight).
  • the thickening agent is added to give from 0.1 to 1 % (weight/weight) of thickening agent in the end product, preferably from 0.1 to 0.6 % (weight/weight).
  • the thickening agent is xanthan gum or a mixture comprising xanthan gum, preferably a mixture comprising xanthan gum and a galactomannan, or ii) xanthan gum and locust bean gum or iii) xanthan gum and guar gum or iv) Acacia gum and xanthan gum or Thixogum STM or Thixogum XTM, most preferred ii) xanthan gum and locust bean gum.
  • a moist snuff composition obtainable by the method according to the second aspect of the invention.
  • a moist snuff composition according to the present invention, preferably according to the embodiment wherein thickening agent has been added from about 1 to about 3 % (weight/weight), presented in the form of a plate, reel or coil, optionally equipped with spacing paper intermediate the layers in the reel or coil.
  • a container may further be used for containing said moist snuff composition according to the first aspect of the invention.
  • Said container may e.g. be a can provided with a lid.
  • the moist snuff according to the present invention thus has a more coherent effect, thus keeping small particles together, and it is also more easily formable into a suitable dosage i.e. it is easy to form a pinch of snuff which looks inviting.
  • the moist snuff composition is also less sticking to the fingers and has a good elasticity and cohesiveness. Trickling of tobacco particles from the upper lip during use is also avoided by using the moist snuff composition according to the invention.
  • the composition according to the present invention take benefit from homogenously dissolved thickening agents in the water phase in comparison with the composition disclosed in US 4545392.
  • the composition according to the present invention thus has unique rheological characteristics. It is further possible to dispense the composition according to the present invention from a container. Further the addition of thickening agents lowers the risk for growth of micro organisms.
  • composition according to the present invention solves in comparison with US 4545392 are e.g.:
  • the additives in the composition according to the present invention does not limit the nicotine release. This has been shown in one of the following examples. Addition of chewing gum base would most likely limit the nicotine release; * in the composition according to the present invention it is possible to add water soluble thickening agents directly to the moist snuff or alternatively it may be dissolved in water before addition to the moist snuff, and
  • the method according to the second aspect of the invention may further be used in other moist snuff manufacturing processes such as in the manufacturing process disclosed in US 4,528,993.
  • Fig 1 shows the manufacturing process of moist snuff in accordance with GothiaTek ® standard.
  • the thickening agent(s) may be added at any time of the processing step.
  • Fig 2 shows the tensile strength test results.
  • Fig 3 shows the sticking-together test results
  • Fig 4 shows the "laboratory mouth”
  • Fig 5 shows nicotine release measurement equipment
  • Fig 6 shows nicotine release measurement results.
  • Moist snuff was manufactured in accordance with the GothiaTek® standard as set out above and two different thickening agents were added in two different batches of moist snuff during the processing step as set out above.
  • the thickening agents were Thixogum STM and Thixogum XTM provided by Kemiflor AB.
  • the thickening agents were added during the processing steps ("pasteurisation") as set out above.
  • Two different tobacco "doughs” were obtained.
  • Both moist snuff products demonstrated good performance with regards to plasticity and unity. Both the plasticity and the unity characteristics were enhanced in comparison with "normal" moist snuff manufactured in accordance with the GothiaTek® standard. Good results were obtained using Thixogum STM but also Thixogum XTM provided good results.
  • Moist snuff was manufactured in accordance with the GothiaTek® standard as set above and two different thickening agents were added in two different batches of moist snuff duri the processing step as set out above.
  • the moist snuff was rolled out into a 3 mm thick plate and was cleaved into 15 mm broad strips.
  • the strips were fastened in a tensile testing machine with the brand Hounsfield H1 KS in order to perform the tensile test on a 30 mm long strip correctly.
  • BS EN ISO 1924-2 was used. The apparatus pulls the sample until it breaks up and the highest tensile strength is registered, together with the elongation at break, tensile index and the TEA (tensile energy absorption). Extension is registered during the increase of the force.
  • A consisted of a snus strip manufactured from a very doughy Swedish snus.
  • Elongation 3.5 % B consisted of a snus strip manufactured in accordance with the present invention with 0.6 % thickening agent.
  • the product is placed in a synthetic mouth consisting of a 15 cm long tubing of regenerated Cellulose dialysis membrane (SPECTRUM, Spectra/Por®6, 1 000 MWCO), which is folded in two and a short measuring cylinder containing 2 ml of phosphate buffer (pH «6.7).
  • the product is placed between the folded membrane tubing, which is placed in the measuring cylinder.
  • the synthetic mouth is shown in Figure 4.
  • the mouth is connected to a peristaltic pump, recycling 100 ml of phosphate buffer inside the membrane tube to a beaker with the speed of 30 ml/min ( Figure 4).
  • Another pump system consisting of a liquid chromatography pump and a diode array detector.
  • Figure 6 shows the results of the analyses.
  • the curves are expressed as released nicotine in mg during a certain time period as can been seen in said figure (0 to 30 minutes).
  • the result of this experiment shows that the nicotine release from the snuff containing thickening agents according to the present invention is comparable to the nicotine release from the same type of snuff without thickening agents.

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  • Manufacture Of Tobacco Products (AREA)
  • Cosmetics (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)

Abstract

Selon un premier aspect, la présente invention concerne une composition à priser humide comprenant au moins un agent épaississant. Selon un second aspect, l'invention concerne un procédé de préparation de la composition susmentionnée.
PCT/SE2003/002031 2002-12-19 2003-12-19 Composition a priser humide comprenant au moins un agent epaississant et son procede de preparation WO2004056218A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
AT03781248T ATE430493T1 (de) 2002-12-19 2003-12-19 Feuchte schnupftabakzusammensetzung, die wenigstens ein verdickungsmittel enthaelt, und verfahren zu deren herstellung
EP03781248A EP1575383B1 (fr) 2002-12-19 2003-12-19 Composition a priser humide comprenant au moins un agent epaississant et son procede de preparation
SI200331629T SI1575383T1 (sl) 2002-12-19 2003-12-19 Vlažen sestavek njuhanca, ki obsega vsaj eno zgoščevalno sredstvo in postopek za njegovo izdelavo
AU2003288867A AU2003288867A1 (en) 2002-12-19 2003-12-19 A moist snuff composition comprising at least one thickening agent and a method for its manufacture
DK03781248T DK1575383T3 (da) 2002-12-19 2003-12-19 Fugtig snustobaksammensætning, der omfatter mindst ét fortykningsmiddel, og en fremgangsmåde til fremstilling deraf
DE60327556T DE60327556D1 (de) 2002-12-19 2003-12-19 Feuchte schnupftabakzusammensetzung, die wenigstens ein verdickungsmittel enthaelt, und verfahren zu deren herstellung

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US10/322,469 US20040118422A1 (en) 2002-12-19 2002-12-19 Tobacco dough and a method for its manufacture
SE0203776A SE0203776D0 (sv) 2002-12-19 2002-12-19 A Tobacco dough and a method for its manufacture
US10/322,469 2002-12-19
SE0203776-0 2002-12-19

Publications (1)

Publication Number Publication Date
WO2004056218A1 true WO2004056218A1 (fr) 2004-07-08

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PCT/SE2003/002031 WO2004056218A1 (fr) 2002-12-19 2003-12-19 Composition a priser humide comprenant au moins un agent epaississant et son procede de preparation

Country Status (7)

Country Link
EP (1) EP1575383B1 (fr)
AT (1) ATE430493T1 (fr)
AU (1) AU2003288867A1 (fr)
DE (1) DE60327556D1 (fr)
DK (1) DK1575383T3 (fr)
SI (1) SI1575383T1 (fr)
WO (1) WO2004056218A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006065192A1 (fr) 2004-11-12 2006-06-22 Swedish Match North Europe Ab Nouveaux produits de tabac a usage oral
WO2008133563A1 (fr) 2007-04-26 2008-11-06 Swedish Match North Europe Ab Produit à priser sans tabac humide
EP2012601A1 (fr) * 2006-04-28 2009-01-14 Swedish Match North Europe AB Composition humide a priser sans tabac et son procédé de production
US8067046B2 (en) * 2007-06-08 2011-11-29 Philip Morris Usa Inc. Oral pouch product including soluble dietary fibers
WO2015003883A1 (fr) * 2013-07-10 2015-01-15 Swedish Match North Europe Ab Composition de tabac sans fumée et procédé pour sa fabrication
US9635881B2 (en) 2012-04-10 2017-05-02 Swedish Match North Europe Ab Smokeless tobacco composition comprising non-tobacco fibers and a method for its manufacture
US10098376B2 (en) 2003-11-07 2018-10-16 U.S. Smokeless Tobacco Company Llc Tobacco compositions
US10945454B2 (en) 2003-11-07 2021-03-16 U.S. Smokeless Tobacco Company Llc Tobacco compositions

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2445871C1 (ru) * 2011-05-05 2012-03-27 Олег Иванович Квасенков Способ получения некурительного изделия из табака
RU2445872C1 (ru) * 2011-05-05 2012-03-27 Олег Иванович Квасенков Способ получения некурительного изделия из табака

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4545392A (en) * 1983-07-25 1985-10-08 R. J. Reynolds Tobacco Co. Tobacco product

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4545392A (en) * 1983-07-25 1985-10-08 R. J. Reynolds Tobacco Co. Tobacco product

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10945454B2 (en) 2003-11-07 2021-03-16 U.S. Smokeless Tobacco Company Llc Tobacco compositions
US10098376B2 (en) 2003-11-07 2018-10-16 U.S. Smokeless Tobacco Company Llc Tobacco compositions
US10765140B2 (en) 2003-11-07 2020-09-08 U.S. Smokeless Tobacco Company Llc Tobacco compositions
EP1819243A1 (fr) * 2004-11-12 2007-08-22 Swedish Match North Europe AB Nouveaux produits de tabac a usage oral
EP1819243A4 (fr) * 2004-11-12 2012-12-26 Swedish Match North Europe Ab Nouveaux produits de tabac a usage oral
WO2006065192A1 (fr) 2004-11-12 2006-06-22 Swedish Match North Europe Ab Nouveaux produits de tabac a usage oral
EP2012601A1 (fr) * 2006-04-28 2009-01-14 Swedish Match North Europe AB Composition humide a priser sans tabac et son procédé de production
EP2012601A4 (fr) * 2006-04-28 2010-03-10 Swedish Match North Europe Ab Composition humide a priser sans tabac et son procédé de production
EP2401927A1 (fr) 2006-04-28 2012-01-04 Swedish Match North Europe AB Composition humide à priser sans tabac et son procédé de production
NO20093397L (no) * 2006-04-28 2010-01-28 Swedish Match North Europe Ab Fuktig snusprodukt uten tobakk
EP2401927B1 (fr) 2006-04-28 2018-04-18 Swedish Match North Europe AB Composition humide a priser sans tabac et son procédé de production
NO343096B1 (no) * 2006-04-28 2018-11-05 Swedish Match North Europe Ab Fuktig snusprodukt uten tobakk
NO346052B1 (no) * 2006-04-28 2022-01-24 Swedish Match North Europe Ab Fuktig snussammensetning som ikke inneholder tobakk og en fremgangsmåte for framstilling derav
EP2150137A1 (fr) * 2007-04-26 2010-02-10 Swedish Match North Europe AB Produit à priser sans tabac humide
EP2150137A4 (fr) * 2007-04-26 2013-09-04 Swedish Match North Europe Ab Produit à priser sans tabac humide
WO2008133563A1 (fr) 2007-04-26 2008-11-06 Swedish Match North Europe Ab Produit à priser sans tabac humide
US8067046B2 (en) * 2007-06-08 2011-11-29 Philip Morris Usa Inc. Oral pouch product including soluble dietary fibers
US9635881B2 (en) 2012-04-10 2017-05-02 Swedish Match North Europe Ab Smokeless tobacco composition comprising non-tobacco fibers and a method for its manufacture
RU2647790C2 (ru) * 2013-07-10 2018-03-19 Свидиш Мэтч Норт Юроп Аб Бездымная табачная смесь и способ ее получения
WO2015003883A1 (fr) * 2013-07-10 2015-01-15 Swedish Match North Europe Ab Composition de tabac sans fumée et procédé pour sa fabrication

Also Published As

Publication number Publication date
EP1575383A1 (fr) 2005-09-21
DK1575383T3 (da) 2009-08-03
DE60327556D1 (de) 2009-06-18
ATE430493T1 (de) 2009-05-15
EP1575383B1 (fr) 2009-05-06
AU2003288867A1 (en) 2004-07-14
SI1575383T1 (sl) 2009-10-31

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