EP2052038A1 - Titandioxid-schicht mit verbesserten oberflächeneigenschaften - Google Patents
Titandioxid-schicht mit verbesserten oberflächeneigenschaftenInfo
- Publication number
- EP2052038A1 EP2052038A1 EP07802600A EP07802600A EP2052038A1 EP 2052038 A1 EP2052038 A1 EP 2052038A1 EP 07802600 A EP07802600 A EP 07802600A EP 07802600 A EP07802600 A EP 07802600A EP 2052038 A1 EP2052038 A1 EP 2052038A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- titanium dioxide
- dioxide coating
- structuring
- titanium
- particles
- 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- Withdrawn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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0215—Coating
- B01J37/0217—Pretreatment of the substrate before coating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G79/00—Macromolecular compounds obtained by reactions forming a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon with or without the latter elements in the main chain of the macromolecule
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- 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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
-
- 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
- C09D185/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing atoms other than silicon, sulfur, nitrogen, oxygen, and carbon; Coating compositions based on derivatives of such polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/32—Processing objects by plasma generation
- H01J2237/33—Processing objects by plasma generation characterised by the type of processing
- H01J2237/334—Etching
Definitions
- Titanium dioxide layer with improved surface properties Titanium dioxide layer with improved surface properties
- Dirt deposits hydrocarbons, oils, dust etc.
- Dirt deposits permanently impair the function of components such as e.g. Sensors, injectors, valves, turbines or gas and air compressors.
- Vanadium pentoxide coatings are known from DE 101 3067 3 for intake valves in internal combustion engines.
- Titanium dioxide is described as a photocatalytically active material in D. Bruemann "Photocatalytic water treatment - solar energy applications", Solar Energy (2004), Vol.77, pp. 445.459. It is therefore the object to find a titanium dioxide coating which is able to act catalytically also thermally induced.
- thermocatalytically active titanium dioxide coating which is based on a sol-gel system has been proposed, characterized in that the titanium dioxide coating contains at least one structuring component and / or has been produced by means of at least one structuring method.
- titanium dioxide coating in the sense of the present invention means or comprises in particular that the coating, with the exception of the possibly present at least one structuring component, contains titanium dioxide as the main component, preferably ⁇ 70%, more preferably ⁇ 80%. and most preferably ⁇ 90% to ⁇ 10% of the titanium dioxide coating.
- sol-gel system in the context of the present invention means or comprises in particular that the titanium dioxide coating by means of a process which contains a sol-gel step, in particular and insofar preferably by means of one of following illustrated method is produced.
- structural component in the sense of the present invention means or comprises in particular any component which is capable of increasing the active surface of the titanium dioxide coating.
- structural process within the meaning of the present invention means or comprises in particular that the titanium dioxide coating has been produced by means of a process which contains a structuring step by which, in particular and to the extent preferred the active surface of the titanium dioxide coating is increased.
- the coating according to the invention is distinguished by a simple and material-saving production and application which avoids complicated processes such as vacuum coatings (CVD / PVD).
- the thickness of the produced titanium dioxide coating is at most a few micrometers in many applications. It is therefore largely insensitive to thermal stress and affects component dimensions and tolerances only insignificantly.
- a preferred embodiment of the invention is characterized in that the titanium dioxide coating is applied to a prestructured substrate. This has proved to be suitable for a large number of applications within the present invention, since in many cases a titanium dioxide coating according to the invention can be obtained in a particularly simple manner.
- pre-structured may include that the substrate on which the titanium dioxide coating according to the invention has been applied has been structured by method steps, as will be explained in particular below. However, in some applications within the present invention (such as, but not limited to, the following example), it has been found that the substrate may already be suitably pre-patterned "by itself.” However, this usually has to be done prior to application of the titanium dioxide of the present invention Coating can be detected.
- a preferred embodiment of the invention is characterized in that the roughness of the prestructured substrate ranges from ⁇ 50 nm to ⁇ 10 ⁇ m. It has been found in many cases and applications within the present invention that such a roughness is particularly suitable for achieving a titanium dioxide coating according to the invention.
- the roughness of the prestructured substrate preferably ranges from ⁇ 10 nm to ⁇ 50 ⁇ m, more preferably ⁇ 200 nm to ⁇ 10 ⁇ m.
- a preferred embodiment of the invention is characterized in that the prestructured substrate has been prestructured by means of embossing, rolling and / or a wet-chemical and / or plasma etching process. This is particularly preferred in many applications of the present invention where the substrate is not "pre-structured" by itself.
- a preferred embodiment of the invention is characterized in that the titanium dioxide coating contains structuring metal oxide particles. It has been found for many applications within the present invention that so easily a titania coating according to the invention can be achieved.
- structural metal oxide particles in the sense of the present invention means or comprises in particular all metal oxides in particulate form which are capable are to increase the active surface of the titanium dioxide coating.
- the (molar) ratio of metal oxide to titanium dioxide is preferably from .gtoreq.1: 1 to .ltoreq.1000: 1, more preferably from> 10: 1 to .ltoreq.100: 1. This has proven beneficial for many applications within the present invention.
- a preferred embodiment of the invention is characterized in that the structuring particles have an average particle size of ⁇ 50 nm to ⁇ 50 ⁇ m. This has proved to be particularly favorable for many applications within the present invention.
- the structuring particles preferably have an average particle size of ⁇ 80 nm to ⁇ 20 ⁇ m, more preferably ⁇ 10 nm to ⁇ 10 ⁇ m.
- a preferred embodiment of the invention is characterized in that the structuring particles are selected from a material containing SiC> 2, Al 2 O 3, ZrC> 2, TiC> 2, boehmite ( ⁇ -AlO (OH)), phyllosilicates, CeO 2 , Fe 2 O 3 , MnO, Mn 3 O 4 or mixtures thereof.
- a preferred embodiment of the invention is characterized in that the titanium dioxide coating is applied to a prestructured substrate which is provided with structuring particles, in particular structuring metal oxide particles, preferably as described within the present invention.
- structural particles in the sense of the present invention means or comprises in particular all materials in particle form which are capable of increasing the active surface of the titanium dioxide coating.
- a preferred embodiment of the invention is characterized in that the prestructured substrate with particles None containing a material selected from the group SiO 2 , Al 2 O 3 , ZrO 2 , TiO 2 , boehmite ( ⁇ -A10 (OH)), phyllosilicates, CeO 2 , Fe 2 O 3 , MnO, Mn 3 O 4 or mixtures provided from this.
- the (molar) ratio of structuring particles to titanium dioxide is from ⁇ 1: 1 to ⁇ 1000: 1, more preferably from 10 10: 1 to ⁇ 100: 1. This has proven beneficial for many applications within the present invention.
- a preferred embodiment of the invention is characterized in that the structuring particles have an average particle size of ⁇ 50 nm to ⁇ 50 ⁇ m. This has proved to be particularly favorable for many applications within the present invention.
- the structuring particles preferably have an average particle size of ⁇ 80 nm to ⁇ 20 ⁇ m, more preferably ⁇ 10 nm to ⁇ 10 ⁇ m.
- a preferred embodiment of the invention is characterized in that the titanium dioxide coating solution is produced by means of a sol-gel process and applied by means of a wet-chemical process.
- sol-gel process in the sense of the present invention means or comprises in particular all processes in which metal precursor materials, in particular metal halides and / or metal alkoxides in solution, are subjected to hydrolysis and subsequent condensation.
- the present invention also relates to a process for producing a thermocatalytically active titanium dioxide coating, characterized in that the process is based on a sol-gel process and comprises at least one structuring step and / or the addition of at least one structuring component.
- sol-gel process in the sense of the present invention means or comprises in particular all processes and / or processes in which metal precursor materials, in particular metal halides and / or metal alkoxides in solution are subjected to hydrolysis and subsequent condensation.
- a preferred embodiment of the method according to the invention for producing a thermocatalytically active titanium dioxide coating is characterized in that the titanium dioxide coating is applied to a prestructured substrate, in particular according to the preferred embodiments of the invention described above.
- thermocatalytically active titanium dioxide coating is characterized by the addition of structural bender metal oxide particles, in particular structuring metal oxide particles according to the preferred embodiments of the invention described above
- a preferred embodiment of the process according to the invention for producing a thermocatalytically active titanium dioxide coating is characterized in that the titanium is added in the form of a titanium alkoxide precursor solution.
- the concentration of titanium in the titanium precursor solution is ⁇ 0.004 mol to ⁇ 0.2 mol of titanium precursor per mole of solvent. This has proven to be beneficial for the production of coatings within a wide range of applications of the present invention.
- the concentration of titanium in the titanium precursor solution is ⁇ 0.02 mol to ⁇ 0.1 mol of titanium precursor per mole of solvent.
- Alkyl linear and branched C 1 -C 8 -alkyls
- long-chain alkyls linear and branched C5-C20 alkyls
- Alkenyl C2-C6-alkenyl
- Cycloalkyl C3-C8-cycloalkyl
- Alkoxide / alkoxy C 1 -C 6 alkoxy, linear and branched long-chain alkoxide / alkoxy: linear and branched C5-C20 alkoxy
- polyethers selected from the group consisting of H- (O-CH 2 - CH (R)) n-OH and H- (0-CH 2 -CH (R)) n -H wherein R is independently selected from: hydrogen, alkyl , aryl, halogen and n from 1 to 250
- substituted polyethers selected from the group consisting of R 2 - (O-CH 2 -CH (R 1 )) n -OR 3 and R 2 - (O-CH 2 -CH (R 2 )) n -R 3 where Ri, R 2 , R 3 is independently selected from: hydrogen, alkyl, long chain alkyl, aryl, halogen and n is from 1 to 250
- Amines the group N (R) 3 wherein each R is independently selected from: hydrogen; Cl-C6-alkyl; Cl-C6-alkyl-C6H5;
- Alcohol amine the group N (R) 3, wherein each R is independently selected from: hydrogen, - (CR 1 R 2 ) H -OH, wherein each R 1 and R 2 are independently selected from the group consisting of hydrogen, halogen, alkyl and n is from 1 to 6.
- Ether The compound R 1 -OR 2 , wherein each R 1 and R 2 are independently selected from the group consisting of hydrogen, halogen, alkyl, cycloalkyl, aryl, long chain alkyl
- Alkyl linear and branched C 1 -C 6 -alkyl
- Alkenyl C3-C6 alkenyl
- Cycloalkyl C6-C8-cycloalkyl
- Polyether selected from the group consisting of H- (O-CH 2 - CH (R)) n-OH and H- (0-CH 2 -CH (R)) n -H wherein R is independently selected from: hydrogen, alkyl , aryl, halogen and n is from 10 to 100, preferably 25 to 50
- substituted polyethers selected from the group consisting of R 2 - (O-CH 2 -CH (R 1 J) n -OR 3 and R 2 - (O-CH 2 -CH (R 2 )) n -R 3 where R i, R 2 , R 3 is independently selected from: hydrogen, alkyl, long-chain alkyl, aryl, halogen and n is from 10 to 100, preferably 25 to 50
- a preferred embodiment of the process according to the invention for producing a thermocatalytically active titanium dioxide coating is characterized in that the viscosity of the titanium-containing precursor solution is from ⁇ 1 mPa * s to ⁇ 10 000 mPa * s, preferably> 10 mPa * s to ⁇ l.OOO mPa * s. This has been found to be beneficial in many applications of the present invention.
- a preferred embodiment of the process according to the invention for producing a thermocatalytically active titanium dioxide coating is characterized in that the titanium-containing precursor solution additionally comprises at least one complexing agent.
- complexing agent in the sense of the present invention means or comprises in particular all materials which are capable, alone or in combination with other materials, of containing titanium at a concentration of 0.2 mol of titanium per 1 mol of solvent in the titanium Precursor solution at a pH of ⁇ 3, preferably ⁇ 1 to keep in solution.
- the molar ratio of complexing agent to titanium is preferably ⁇ 0.01 mol to ⁇ 4 mol of complexing agent per mole of titanium. This has been found to be beneficial in many applications of the present invention. Even more preferably, the molar ratio of complexing agent is ⁇ 0.02 mole to ⁇ 0.1 mole of complexing agent per mole of titanium.
- thermocatalytically active titanium dioxide coating is characterized in that the at least one complexing agent is selected from the group ethers, polyethers, substituted polyethers, nonionic surfactants, amines, alcohol amines or mixtures thereof
- a preferred embodiment of the process according to the invention for producing a thermocatalytically active titanium dioxide coating is characterized in that the pH of the titanium-containing precursor solution is from ⁇ O to ⁇ 3, preferably ⁇ L to ⁇ 2.
- the present invention also relates to the use of a titanium dioxide coating according to the present invention and / or a titanium dioxide coating prepared by the process according to the invention for
- Fig. 1 two steel substrates with and without TiC> 2 coating after a degradation test of paraffin wax
- Fig. 1 refers to the following Example I, in which - purely illustrative and not restrictive - a titanium dioxide coating was produced as follows:
- the layer was annealed at 400 0 C for 10 minutes.
- Fig. 1 an uncoated comparative sample is shown on the left, the right sample shows the coated steel substrate.
- the uncoated sample (left in FIG. 1) clearly shows the remaining organic residues, while the coated region of the right-hand sample has no residues. Furthermore, the coating prevents oxidation of the underlying metal surface (no tempering colors).
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Paints Or Removers (AREA)
- Catalysts (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006038585A DE102006038585A1 (de) | 2006-08-17 | 2006-08-17 | Titandioxid-Schicht mit verbesserten Oberflächeneigenschaften |
| PCT/EP2007/058406 WO2008020019A1 (de) | 2006-08-17 | 2007-08-14 | Titandioxid-schicht mit verbesserten oberflächeneigenschaften |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2052038A1 true EP2052038A1 (de) | 2009-04-29 |
Family
ID=38876202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07802600A Withdrawn EP2052038A1 (de) | 2006-08-17 | 2007-08-14 | Titandioxid-schicht mit verbesserten oberflächeneigenschaften |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US20100197487A1 (de) |
| EP (1) | EP2052038A1 (de) |
| CN (1) | CN101506316A (de) |
| DE (1) | DE102006038585A1 (de) |
| WO (1) | WO2008020019A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007008121A1 (de) * | 2007-02-19 | 2008-08-21 | Siemens Ag | Titandioxid-Schicht mit verbesserten Oberflächeneigenschaften |
| DE102009002183A1 (de) | 2009-03-11 | 2010-09-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Verbrennungskraftmaschine mit einer Brennraum- oder brennraumnahen Oberflächenbeschichtung sowie Verfahren zur Beschichtung |
| DE102010036659B4 (de) * | 2010-07-27 | 2021-12-09 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Brennkraftmaschine mit Gaswechselventilen die mit einer photokatalytischen Oberflächenbeschichtung versehen sind |
| DE102010050771B4 (de) * | 2010-11-10 | 2014-05-08 | Schott Ag | Erzeugnis aus Glas oder Glaskeramik mit hochtemperaturstabiler Niedrigenergie-Schicht, Verfahren zur Herstellung derselben und Verwendung des Erzeugnisses |
| WO2012174386A1 (en) * | 2011-06-15 | 2012-12-20 | Henkel Ag & Co. Kgaa | Method and apparatus for reducing emissions and/or reducing friction in an internal combustion engine |
| US9785192B1 (en) * | 2013-11-01 | 2017-10-10 | Amazon Technologies, Inc. | Deposit dissipating layer |
| US20180056758A1 (en) * | 2016-08-31 | 2018-03-01 | Ford Global Technologies, Llc | Vehicle duct with enhanced lighting or cleaning capabilities and related methods |
| CN110577239B (zh) * | 2019-09-03 | 2020-08-04 | 华北电力大学 | 一种利用层间限域策略制备二维金属氧化物纳米片的方法 |
| GR1010949B (el) * | 2020-04-03 | 2025-05-26 | Pcn Materials Ike, | Φωτοκαταλυτης διοξειδιου του τιτανιου με πολυ-στοιχειακες προσμιξεις και μεθοδος παρασκευης αυτου |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2191043T3 (es) * | 1993-12-10 | 2003-09-01 | Toto Ltd | Material multifuncional dotado de funcion fotocatalitica y metodo para producirlo. |
| US6830785B1 (en) * | 1995-03-20 | 2004-12-14 | Toto Ltd. | Method for photocatalytically rendering a surface of a substrate superhydrophilic, a substrate with a superhydrophilic photocatalytic surface, and method of making thereof |
| FR2738813B1 (fr) * | 1995-09-15 | 1997-10-17 | Saint Gobain Vitrage | Substrat a revetement photo-catalytique |
| US6054277A (en) * | 1996-05-08 | 2000-04-25 | Regents Of The University Of Minnesota | Integrated microchip genetic testing system |
| CN1103802C (zh) * | 1996-05-24 | 2003-03-26 | 日本帕卡濑精株式会社 | 二氧化钛陶瓷油漆及其制法 |
| US6054227A (en) * | 1997-03-14 | 2000-04-25 | Ppg Industries Ohio, Inc. | Photocatalytically-activated self-cleaning appliances |
| FR2775696B1 (fr) * | 1998-03-05 | 2000-04-14 | Saint Gobain Vitrage | Substrat a revetement photocatalytique |
| DE19915377A1 (de) * | 1999-04-06 | 2000-10-12 | Inst Neue Mat Gemein Gmbh | Katalytische Zusammensetzung, Verfahren zu ihrer Herstellung und ihre Verwendung |
| DE10043865A1 (de) * | 2000-09-04 | 2002-03-14 | Daimler Chrysler Ag | Verfahren zur Herstellung eines Katalysators |
| DE10130673A1 (de) * | 2001-06-28 | 2003-01-23 | Volkswagen Ag | Verbrennungskraftmaschine |
| AU2003217482A1 (en) * | 2002-03-20 | 2003-09-29 | Showa Denko K. K. | High purity titanium oxide and production process thereof |
| FR2838735B1 (fr) * | 2002-04-17 | 2005-04-15 | Saint Gobain | Substrat a revetement auto-nettoyant |
| CN1218634C (zh) * | 2002-04-30 | 2005-09-14 | 香港中文大学 | 具有高杀菌光活性介孔二氧化钛薄膜的制备方法 |
| KR101082721B1 (ko) * | 2002-05-30 | 2011-11-15 | 토토 가부시키가이샤 | 광촉매성 코팅제, 광촉매성 복합재와 그의 제조방법 및 자기 정화성 수성 도료조성물 및 자기 정화성 부재 |
| JP4122891B2 (ja) * | 2002-08-09 | 2008-07-23 | 宇部興産株式会社 | 傾斜組成を有するセラミックス薄膜被覆材料及びその製造方法 |
| US20060162617A1 (en) * | 2003-04-30 | 2006-07-27 | Naoki Tanaka | Photocatalyst coating liquid, photocatalyst film and photocatalyst member |
| DE102005019895A1 (de) * | 2005-04-29 | 2006-11-02 | Bayerische Motoren Werke Ag | Verfahren zur Herstellung selbstreinigender Oberflächen |
-
2006
- 2006-08-17 DE DE102006038585A patent/DE102006038585A1/de not_active Withdrawn
-
2007
- 2007-08-14 CN CNA2007800305258A patent/CN101506316A/zh active Pending
- 2007-08-14 EP EP07802600A patent/EP2052038A1/de not_active Withdrawn
- 2007-08-14 US US12/377,289 patent/US20100197487A1/en not_active Abandoned
- 2007-08-14 WO PCT/EP2007/058406 patent/WO2008020019A1/de not_active Ceased
-
2016
- 2016-12-19 US US15/383,334 patent/US20170095808A1/en not_active Abandoned
Non-Patent Citations (2)
| Title |
|---|
| None * |
| See also references of WO2008020019A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102006038585A1 (de) | 2008-02-21 |
| US20100197487A1 (en) | 2010-08-05 |
| CN101506316A (zh) | 2009-08-12 |
| US20170095808A1 (en) | 2017-04-06 |
| WO2008020019A1 (de) | 2008-02-21 |
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