JP2005530354A - 調整可能な大きさを有する均散可能な磁性ナノコロイドおよびその製造方法 - Google Patents
調整可能な大きさを有する均散可能な磁性ナノコロイドおよびその製造方法 Download PDFInfo
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title abstract description 3
- 239000002245 particle Substances 0.000 claims abstract description 63
- 239000006249 magnetic particle Substances 0.000 claims abstract description 32
- 238000009826 distribution Methods 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 238000003860 storage Methods 0.000 claims abstract description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 58
- 239000010941 cobalt Substances 0.000 claims description 58
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 23
- 239000011554 ferrofluid Substances 0.000 claims description 18
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 239000002270 dispersing agent Substances 0.000 claims description 11
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 10
- -1 cobalt carbonyl compound Chemical class 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- 150000001875 compounds Chemical class 0.000 claims description 6
- 238000000354 decomposition reaction Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 150000002902 organometallic compounds Chemical class 0.000 claims description 5
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 150000001728 carbonyl compounds Chemical class 0.000 claims description 2
- 229910021482 group 13 metal Inorganic materials 0.000 claims description 2
- 238000006303 photolysis reaction Methods 0.000 claims description 2
- 230000015843 photosynthesis, light reaction Effects 0.000 claims description 2
- 239000002771 cell marker Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 150000004678 hydrides Chemical class 0.000 claims 1
- 229940087654 iron carbonyl Drugs 0.000 claims 1
- 239000011553 magnetic fluid Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 9
- 239000012530 fluid Substances 0.000 abstract description 4
- 239000012472 biological sample Substances 0.000 abstract description 3
- 239000003814 drug Substances 0.000 abstract description 3
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- 238000005339 levitation Methods 0.000 abstract description 3
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- 150000002739 metals Chemical class 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 229940079593 drug Drugs 0.000 abstract description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 54
- 239000000243 solution Substances 0.000 description 38
- 239000000084 colloidal system Substances 0.000 description 20
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 18
- 239000007789 gas Substances 0.000 description 17
- 239000002244 precipitate Substances 0.000 description 16
- 239000011541 reaction mixture Substances 0.000 description 14
- 238000001816 cooling Methods 0.000 description 12
- 238000003756 stirring Methods 0.000 description 11
- 239000012298 atmosphere Substances 0.000 description 10
- 239000011261 inert gas Substances 0.000 description 10
- 238000003760 magnetic stirring Methods 0.000 description 10
- 229910052786 argon Inorganic materials 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- 230000005415 magnetization Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000007885 magnetic separation Methods 0.000 description 6
- 239000010414 supernatant solution Substances 0.000 description 6
- 244000269722 Thea sinensis Species 0.000 description 5
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- 230000003647 oxidation Effects 0.000 description 4
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- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 235000013616 tea Nutrition 0.000 description 3
- 235000006468 Thea sinensis Nutrition 0.000 description 2
- 235000020279 black tea Nutrition 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002122 magnetic nanoparticle Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- BACYUWVYYTXETD-UHFFFAOYSA-N N-Lauroylsarcosine Chemical compound CCCCCCCCCCCC(=O)N(C)CC(O)=O BACYUWVYYTXETD-UHFFFAOYSA-N 0.000 description 1
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical group O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 108700004121 sarkosyl Proteins 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- RPACBEVZENYWOL-XFULWGLBSA-M sodium;(2r)-2-[6-(4-chlorophenoxy)hexyl]oxirane-2-carboxylate Chemical compound [Na+].C=1C=C(Cl)C=CC=1OCCCCCC[C@]1(C(=O)[O-])CO1 RPACBEVZENYWOL-XFULWGLBSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000001308 synthesis method Methods 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/10—Construction relative to lubrication
- F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
- F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing
- F16C33/1035—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing by a magnetic field acting on a magnetic liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/30—Making metallic powder or suspensions thereof using chemical processes with decomposition of metal compounds, e.g. by pyrolysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/30—Making metallic powder or suspensions thereof using chemical processes with decomposition of metal compounds, e.g. by pyrolysis
- B22F9/305—Making metallic powder or suspensions thereof using chemical processes with decomposition of metal compounds, e.g. by pyrolysis of metal carbonyls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/044—Active magnetic bearings
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
- G11B11/10586—Record carriers characterised by the selection of the material or by the structure or form characterised by the selection of the material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/0036—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties showing low dimensional magnetism, i.e. spin rearrangements due to a restriction of dimensions, e.g. showing giant magnetoresistivity
- H01F1/0045—Zero dimensional, e.g. nanoparticles, soft nanoparticles for medical/biological use
- H01F1/0054—Coated nanoparticles, e.g. nanoparticles coated with organic surfactant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
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- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Colloid Chemistry (AREA)
Abstract
Description
3gの乾燥したコバルト粒子に、トルエン中に10mlの濃度3%の分散剤Korantin (SHBASFからの)溶液を含むものを添加して、完全に透明な濃黒茶のコバルト磁気流体が得られた。
3gの乾燥したコバルト粒子に、トルエン中に10mlの濃度3%の分散剤Korantin (SHBASFからの)溶液を含むものを添加して、完全に透明な濃黒茶のコバルト磁気流体が得られた。
Claims (18)
- 13族の金属の有機金属化合物の存在のもとに、磁性粒子の金属の低原子価化合物の分解によって、磁性粒子を製造することを特徴とする、磁性粒子の調製方法。
- 調製された磁性粒子が3から15ナノメートルの範囲内の平均粒径および標準偏差1.6ナノメートル未満の粒径分布を備えていることを特徴とする、請求項1に記載の磁性粒子の調製方法。
- 前記平均粒径が使用される有機金属化合物の性質および濃度によって決定されることを特徴とする、請求項1または2に記載の磁性粒子の調製方法。
- 使用される前記有機金属化合物が有機アルミニウム化合物であることを特徴とする、請求項1から3の何れか1項に記載の磁性粒子の調製方法。
- 使用される前記低原子価化合物が鉄、コバルトまたはニッケル、またはこれらの混合物であることを特徴とする、請求項1から3の何れか1項に記載の磁性粒子の調製方法。
- 鉄のカルボニル化合物、コバルトのカルボニル化合物またはニッケルのカルボニル化合物が使用されることを特徴とする、請求項5に記載の磁性粒子の調製方法。
- 鉄のオレフィン化合物、コバルトのオレフィン化合物、または、ニッケルのオレフィン化合物を使用することを特徴とする、請求項5に記載の磁性粒子の調製方法。
- 使用される前記有機アルミニウム化合物が水素化アルミニウムトリアルキルまたは水素化アルキルアルミニウムであることを特徴とする、請求項4に記載の磁性粒子の調製方法。
- 前記分解が、加熱分解によって行われることを特徴とする請求項1から8の何れか1項に記載の磁性粒子の調製方法。
- 前記分解が、光分解または音響化学分解によって行われることを特徴とする請求項1から8のいずれか1項に記載の磁性粒子の調製方法。
- 調製された前記磁性粒子が有機溶液中において空気による後処理によって防護されていることを特徴とする請求項1から10の何れか1項に記載の磁性粒子の調製方法。
- TEM(透過型電子顕微鏡)によって決定される平均粒径が3から15ナノメートルの範囲内であり、そして、標準偏差1.6ナノメートル未満の粒径分布を備えている一金属原子性または多金属性の磁性粒子。
- 前記磁性粒子が鉄、コバルトまたはニッケルオを含んでいることを特徴とする請求項12に記載の磁性粒子。
- 請求項11に従って、空気による後処理によって、前記磁性粒子が保護されていることを特徴とする請求項12に記載の磁性粒子。
- 分散剤の補助のもと、高い磁気飽和を有する磁性流体の調製のために使用する、請求項12から14の何れか1項に記載の磁性粒子の使用方法。
- 磁気セルマーカーとしてセルコンパティブルコーティングを適用した後に使用することを特徴とする請求項12から14の何れか1項に記載の磁性粒子の使用方法。
- 磁性セル分離のために使用する、請求項12から14の何れか1項に記載の磁性粒子の使用方法。
- 磁気光学情報記憶のために使用することを特徴とする請求項12から14の何れか1項に記載の磁性粒子の使用方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10227779A DE10227779A1 (de) | 2002-06-21 | 2002-06-21 | Monodisperse, magnetische Nanokolloide einstellbarer Größe und Verfahren zu deren Herstellung |
PCT/EP2003/003814 WO2004001776A1 (de) | 2002-06-21 | 2003-04-12 | Monodisperse, magnetische nanokolloide einstellbarer grösse und verfahren zu deren herstellung |
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JP2005530354A true JP2005530354A (ja) | 2005-10-06 |
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JP2004514619A Pending JP2005530354A (ja) | 2002-06-21 | 2003-04-12 | 調整可能な大きさを有する均散可能な磁性ナノコロイドおよびその製造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US20060037434A1 (ja) |
EP (1) | EP1516345A1 (ja) |
JP (1) | JP2005530354A (ja) |
AU (1) | AU2003229654A1 (ja) |
CA (1) | CA2489975A1 (ja) |
DE (1) | DE10227779A1 (ja) |
WO (1) | WO2004001776A1 (ja) |
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JP3930495B2 (ja) | 2004-06-16 | 2007-06-13 | 三菱重工業株式会社 | ニッケル超微粒子分散液体ナトリウムの製造方法、装置、液体ナトリウムの漏洩検出方法 |
CA2500077A1 (en) * | 2005-03-09 | 2006-09-09 | Chemical Vapour Metal Refining Inc. | Production of ultra fine transition metal powders |
WO2008034062A2 (en) * | 2006-09-15 | 2008-03-20 | Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College | Method for making cobalt nanomaterials |
BRPI0800207B1 (pt) * | 2008-01-24 | 2018-01-09 | Petroleo Brasileiro S.A. - Petrobras | Catalisador metálico e método para a produção de catalisador metálico |
US9384862B2 (en) | 2012-06-22 | 2016-07-05 | Ge-Hitachi Nuclear Energy Americas Llc | Method of fabricating liquid-metal coolants for nuclear reactors |
Family Cites Families (8)
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DE977064C (de) * | 1950-05-12 | 1965-01-07 | Gen Aniline & Film Corp | Verfahren zur Herstellung von Metallen gleichmaessiger, sehr kleiner Teilchengroesse durch thermische Zersetzung von Metallcarbonylen |
US2744040A (en) * | 1952-03-25 | 1956-05-01 | Gen Aniline & Film Corp | Process of preparing iron powder for magnetic cores |
DE1084395B (de) * | 1952-12-03 | 1960-06-30 | Gen Aniline & Film Corp | Verfahren zur Verbesserung der elektromagnetischen Eigenschaften von Carbonyl-Eisenpulver |
US3856580A (en) * | 1973-06-22 | 1974-12-24 | Gen Electric | Air-stable magnetic materials and method |
DE3934351A1 (de) * | 1989-10-14 | 1991-04-18 | Studiengesellschaft Kohle Mbh | Verfahren zur herstellung von mikrokristallinen bis amorphen metall- bzw. legierungspulvern und ohne schutzkolloid in organischen solventien geloesten metallen bzw. legierungen |
EP0672765B1 (en) * | 1994-03-14 | 1999-06-30 | Studiengesellschaft Kohle mbH | Electrochemical reduction of metal salts as a method of preparing highly dispersed metal colloids and substrate fixed metal clusters by electrochemical reduction of metal salts |
DE19654864A1 (de) * | 1996-02-27 | 1997-08-28 | Thomas Dipl Ing Haehndel | Magnetofluid mit einer Sättigungsmagnetisierung von 150 bis 450 mT |
DE19821968A1 (de) * | 1998-05-18 | 1999-11-25 | Studiengesellschaft Kohle Mbh | Verfahren zur Modifizierung der Dispergiereigenschaften von metallorganisch-prästabilisierten bzw. -vorbehandelten Nanometallkolloiden |
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2002
- 2002-06-21 DE DE10227779A patent/DE10227779A1/de not_active Withdrawn
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2003
- 2003-04-12 CA CA002489975A patent/CA2489975A1/en not_active Abandoned
- 2003-04-12 AU AU2003229654A patent/AU2003229654A1/en not_active Abandoned
- 2003-04-12 JP JP2004514619A patent/JP2005530354A/ja active Pending
- 2003-04-12 EP EP03722460A patent/EP1516345A1/de not_active Withdrawn
- 2003-04-12 US US10/518,703 patent/US20060037434A1/en not_active Abandoned
- 2003-04-12 WO PCT/EP2003/003814 patent/WO2004001776A1/de active Search and Examination
Also Published As
Publication number | Publication date |
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AU2003229654A1 (en) | 2004-01-06 |
US20060037434A1 (en) | 2006-02-23 |
WO2004001776A1 (de) | 2003-12-31 |
EP1516345A1 (de) | 2005-03-23 |
CA2489975A1 (en) | 2003-12-31 |
DE10227779A1 (de) | 2004-01-08 |
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