EP1590409A1 - Liant plastique servant a produire des peintures pulverulentes, peintures pulverulentes le contenant, et enrobages et revetements produits au moyen de celui-ci - Google Patents
Liant plastique servant a produire des peintures pulverulentes, peintures pulverulentes le contenant, et enrobages et revetements produits au moyen de celui-ciInfo
- Publication number
- EP1590409A1 EP1590409A1 EP04702607A EP04702607A EP1590409A1 EP 1590409 A1 EP1590409 A1 EP 1590409A1 EP 04702607 A EP04702607 A EP 04702607A EP 04702607 A EP04702607 A EP 04702607A EP 1590409 A1 EP1590409 A1 EP 1590409A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- powder paints
- pyrogenic
- plastic binder
- agent
- powder coating
- 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.)
- Withdrawn
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 48
- 239000000843 powder Substances 0.000 title claims abstract description 45
- 239000011230 binding agent Substances 0.000 title claims abstract description 30
- 239000003973 paint Substances 0.000 title abstract 4
- 239000003795 chemical substances by application Substances 0.000 title description 2
- 230000001698 pyrogenic effect Effects 0.000 claims abstract description 23
- 239000000203 mixture Substances 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 239000011164 primary particle Substances 0.000 claims abstract description 7
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 6
- 239000010703 silicon Substances 0.000 claims abstract description 6
- 239000010936 titanium Substances 0.000 claims abstract description 6
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims description 26
- 239000004033 plastic Substances 0.000 claims description 26
- 229920003023 plastic Polymers 0.000 claims description 26
- 239000000654 additive Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910021485 fumed silica Inorganic materials 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229920005989 resin Polymers 0.000 description 10
- 239000011347 resin Substances 0.000 description 10
- 238000001125 extrusion Methods 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 229920001225 polyester resin Polymers 0.000 description 7
- 239000004645 polyester resin Substances 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 229910002012 Aerosil® Inorganic materials 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 239000008199 coating composition Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- QPYKYDBKQYZEKG-UHFFFAOYSA-N 2,2-dimethylpropane-1,1-diol Chemical compound CC(C)(C)C(O)O QPYKYDBKQYZEKG-UHFFFAOYSA-N 0.000 description 2
- 229910002016 Aerosil® 200 Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 235000011037 adipic acid Nutrition 0.000 description 2
- 239000001361 adipic acid Substances 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001272720 Medialuna californiensis Species 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- NEPKLUNSRVEBIX-UHFFFAOYSA-N bis(oxiran-2-ylmethyl) benzene-1,4-dicarboxylate Chemical class C=1C=C(C(=O)OCC2OC2)C=CC=1C(=O)OCC1CO1 NEPKLUNSRVEBIX-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 150000003961 organosilicon compounds Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- YNOWBNNLZSSIHM-UHFFFAOYSA-N tris(oxiran-2-ylmethyl) benzene-1,2,4-tricarboxylate Chemical class C=1C=C(C(=O)OCC2OC2)C(C(=O)OCC2OC2)=CC=1C(=O)OCC1CO1 YNOWBNNLZSSIHM-UHFFFAOYSA-N 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/03—Powdery paints
- C09D5/033—Powdery paints characterised by the additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
Definitions
- the invention relates to a plastic binder for the production of powder coatings, powder coatings containing them and coatings and coatings produced therewith.
- Powder coatings have long been highly valued as a coating agent. Above all, the lack of solvents is extremely beneficial, both ecologically and economically.
- plastic binders which together have the potential for a subsequent curing reaction under the addition of heat or radiation, are intimately mixed together with optionally further substances such as pigments, fillers and additives in fine particles and then mixed in an extruder with heating to form a homogeneous plastic mass. This mass is cooled, broken, ground and sieved and then represents the powder coating.
- a peculiarity in the production of powder coatings according to this mostly used extrusion process is the fact that this process is a continuous one, in which the dry mixture previously intimately pre-mixed as a batch, but which still constitutes a discontinuity at this point, ideally after passing through the extruder to represent a perfectly homogeneous mass through and through.
- plastic binders in question here are synthetic resins such as polyester, poly (meth) acrylate, epoxy resins or mixtures thereof and - commonly referred to as hardeners - plastic binders such as ⁇ -hydroxyalkylamides, triglycidyl isocyanate, diglycidyl terephthalate, triglycidyl trimellitate, isocyanate adducts or mixtures thereof.
- synthetic resin binders used for the production of powder coatings the class of polyesters plays a special role due to their balanced property profile and the resulting broad applicability.
- pyrogenic oxides is used to summarize highly disperse oxides which are produced by flame hydrolysis and which are hydrophilic as such. There are also versions which more or less result from a more or less extensive subsequent chemical reaction of their surface hydroxyl groups with organosilicon compounds have a pronounced hydrophobic character.
- the largest range of technical applications has pyrogenic silica, it is - more than the other pyrogenic oxides - in numerous different subtleties (average particle sizes of the different types from approx. 7 - 40 nm) and is hydrophilic as such.
- the object of the invention is to create a possibility which makes it possible to provide powder coatings without technical or aesthetic defects by means of a single extrusion step of the underlying dry mixture.
- the object is surprisingly achieved according to the invention in that the plastic binder is mixed with pyrogenic oxides of silicon, aluminum or titanium or mixtures thereof with primary particle sizes between 5 and 65 nm. Such a plastic binder is then used to produce powder coatings.
- the pyrogenic oxide (s) added to the plastic binder have, on the one hand, a reinforcing effect for the plastic binder and lead to an increase in the viscosity of the plastic binder.
- plastic binders that have already been mixed provide a significantly improved distribution of pyrogenic oxides in the finished powder coating than would be achieved when added to the dry batch of a powder coating.
- the plastic binder is mixed with pyrogenic silica.
- the pyrogenic oxides can be surface-treated.
- it is preferred that the primary particle sizes of the pyrogenic additive (s) are between 7 and 40 nm.
- the invention further consists in that the pyrogenic additive (s) is contained in an amount of 0.05 to 10%, preferably 0.25 to 2.5, in particular 1%, based on the weight of the plastic binder ( are).
- the amount of pyrogenic oxides to be used advantageously depends inter alia on on the type, particle size and chemical surface properties of the pyrogenic additives.
- the invention also relates to a powder coating consisting of a plastic binder, additives and optionally pigments and fillers, which is characterized in that the plastic binder is mixed with pyrogenic oxides of silicon, aluminum or titanium or mixtures thereof with primary particle sizes between 5 and 65 nm.
- the invention also includes a coating or a coating consisting of such a powder coating.
- Example - polyester resin (resin 2) containing carboxyl groups according to the invention:
- Aerosil® 200 are added to the batch of the above first reaction stage, consisting of 2,2-dimethylpropanediol 1,3, ethylene glycol, terephthalic acid and Sn-containing catalyst, and the whole is reacted in an analogous manner to a hydroxy-functional polyester resin.
- the cooled extra data were broken, ground on a classifier mill and sieved with a grain size limit of 100 ⁇ m.
- the powder coatings were then applied with a layer thickness of approx. 80 ⁇ m (finished coating film) to chromated aluminum sheets 0.7 mm thick and baked in a convection oven at 200 ° C. for 10 minutes.
- Powder coating C made of resin 2 (according to the invention) is clearly superior to powder coatings A and B made of resin 1, which demonstrates the technical value of the invention.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
L'invention concerne un liant plastique servant à produire des peintures pulvérulentes. Selon l'invention, des oxydes pyrogènes de silicium, d'aluminium ou de titane, de préférence de l'acide silicique pyrogène, ou des mélanges de ceux-ci dont les particules primaires présentent des dimensions comprises entre 5 et 65 nm est/sont ajouté(s) à ce liant plastique. La présente invention se rapporte en outre aux peintures pulvérulentes contenant ce liant plastique, ainsi qu'aux enrobages et revêtements produits au moyen de celui-ci.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT972003 | 2003-01-24 | ||
| AT0009703A AT412555B (de) | 2003-01-24 | 2003-01-24 | Kunststoffbindemittel zur herstellung von pulverlacken |
| PCT/AT2004/000011 WO2004065499A1 (fr) | 2003-01-24 | 2004-01-16 | Liant plastique servant a produire des peintures pulverulentes, peintures pulverulentes le contenant, et enrobages et revetements produits au moyen de celui-ci |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1590409A1 true EP1590409A1 (fr) | 2005-11-02 |
Family
ID=32739101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04702607A Withdrawn EP1590409A1 (fr) | 2003-01-24 | 2004-01-16 | Liant plastique servant a produire des peintures pulverulentes, peintures pulverulentes le contenant, et enrobages et revetements produits au moyen de celui-ci |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20060183838A1 (fr) |
| EP (1) | EP1590409A1 (fr) |
| AT (1) | AT412555B (fr) |
| WO (1) | WO2004065499A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT413699B (de) * | 2004-02-06 | 2006-05-15 | Tigerwerk Lack Und Farbenfabri | Verfahren zur herstellung von polyesterharzen sowie solche polyesterharze umfassende pulverlackformulierungen |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5010328A (fr) * | 1973-05-31 | 1975-02-03 | ||
| DE2341294C3 (de) * | 1973-08-16 | 1981-12-24 | Bayer Ag, 5090 Leverkusen | Polyolgemische |
| EP0042852A1 (fr) * | 1979-12-26 | 1982-01-06 | The Polymer Corporation | Revetements de resistance chimique |
| SU1497200A1 (ru) * | 1987-05-19 | 1989-07-30 | Ленинградский Технологический Институт Им.Ленсовета | Порошкова композици дл покрытий |
| JP2508714B2 (ja) * | 1987-05-21 | 1996-06-19 | 大日本インキ化学工業株式会社 | ゲルコ−ト層を有する成形品の製造方法 |
| JPH07100766B2 (ja) * | 1987-06-25 | 1995-11-01 | ソマール株式会社 | エポキシ樹脂粉体塗料組成物 |
| RU2030429C1 (ru) * | 1990-12-10 | 1995-03-10 | Воронкова Зинаида Ивановна | Порошковая композиция для декоративного покрытия |
| DE4042191C1 (fr) * | 1990-12-29 | 1992-07-30 | Skw Trostberg Ag, 8223 Trostberg, De | |
| DE69200390T2 (de) * | 1991-07-22 | 1995-04-20 | Akzo Nobel Nv | Pulverbeschichtung ein Harz, ein Vernetzungsmittel und Zink enthaltend. |
| KR950023662A (ko) * | 1994-01-20 | 1995-08-18 | 박홍기 | 권취성이 우수한 고투명성 폴리에스터 필름의 제조방법 |
| US6069221A (en) * | 1997-08-01 | 2000-05-30 | Ppg Industries Ohio, Inc. | Powder coating compositions containing a carboxylic acid functional polyester |
| DE60204942T2 (de) * | 2002-04-29 | 2006-05-18 | Dainippon Ink And Chemicals, Inc. | Feste polymerisierbare Gemische |
-
2003
- 2003-01-24 AT AT0009703A patent/AT412555B/de not_active IP Right Cessation
-
2004
- 2004-01-16 EP EP04702607A patent/EP1590409A1/fr not_active Withdrawn
- 2004-01-16 US US10/542,688 patent/US20060183838A1/en not_active Abandoned
- 2004-01-16 WO PCT/AT2004/000011 patent/WO2004065499A1/fr not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2004065499A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATA972003A (de) | 2004-09-15 |
| US20060183838A1 (en) | 2006-08-17 |
| WO2004065499A1 (fr) | 2004-08-05 |
| AT412555B (de) | 2005-04-25 |
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| DAX | Request for extension of the european patent (deleted) | ||
| 17Q | First examination report despatched |
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