WO2011061979A1 - エンジンオイル用添加剤、エンジンオイル、及び添加方法 - Google Patents
エンジンオイル用添加剤、エンジンオイル、及び添加方法 Download PDFInfo
- Publication number
- WO2011061979A1 WO2011061979A1 PCT/JP2010/064269 JP2010064269W WO2011061979A1 WO 2011061979 A1 WO2011061979 A1 WO 2011061979A1 JP 2010064269 W JP2010064269 W JP 2010064269W WO 2011061979 A1 WO2011061979 A1 WO 2011061979A1
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- WO
- WIPO (PCT)
- Prior art keywords
- engine oil
- additive
- oil
- engine
- crystal particles
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/04—Metals; Alloys
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/04—Elements
- C10M2201/05—Metals; Alloys
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/17—Fisher Tropsch reaction products
- C10M2205/173—Fisher Tropsch reaction products used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/055—Particles related characteristics
- C10N2020/06—Particles of special shape or size
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/54—Fuel economy
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/015—Dispersions of solid lubricants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/81—Of specified metal or metal alloy composition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Definitions
- the present invention relates to an engine oil additive that is added to engine oil for automobiles, construction machines, and the like, an engine oil that contains the engine oil additive, and a method for adding the additive to the engine oil.
- Patent Document 1 discloses that an engine is lubricated with a composition containing a solid lubricant and an organic medium.
- Patent Document 1 as specific examples of the solid lubricant, molybdenum disulfide, tungsten disulfide, graphite, polytetrafluoroethylene, boron nitride, soft metal (for example, silver, lead, nickel, copper), cerium fluoride, zinc oxide, Silver sulfate, cadmium iodide, lead iodide, barium fluoride, tin sulfide, zinc phosphate, zinc sulfide, mica, boron nitrate, boric acid, fluorocarbon, zinc phosphide, and boron are mentioned.
- soft metal for example, silver, lead, nickel, copper
- cerium fluoride zinc oxide
- a solid lubricant for example, a mixture of molybdenum disulfide, copper, silver, and lead, in engine oil
- the solid lubricant is ball milled in vacuum or in air. Finely pulverize. The pulverized mixture is then ball milled in vegetable oil (canola oil), followed by the addition of an emulsifier, which is then added to the engine oil.
- vegetable oil canola oil
- the solid lubricant dispersed in the engine oil through the above process is poor in accumulation or adhesion on the metal surface unevenness of the mechanical parts constituting the engine, and can greatly improve the lubrication performance. There wasn't. That is, the effect of improving the torque and horsepower of the engine due to the addition of the solid lubricant to the engine oil through the above steps was slight.
- the present invention has been made in view of such circumstances, and provides an engine oil additive excellent in the effect of improving the lubrication performance of the engine oil, and an engine oil in which the engine oil additive is blended The purpose is to do.
- Another object of the present invention is to provide an additive addition method that enhances the lubricating performance of engine oil.
- the inventors of the present invention are likely to accumulate or adhere to the irregularities on the metal surface of the mechanical parts constituting the engine, in the form of polygonal silver particles having a length of 300 to 500 nm, Moreover, it discovered that it was easy to disperse
- the engine oil additive according to the present invention is characterized by containing a plurality of polygonal plate-like silver crystal particles having a length of 300 to 500 nm.
- the additive for engine oil contains silver crystal particles having a shape and size that easily accumulates or adheres to the unevenness of the metal surface of the machine parts that make up the engine.
- the lubricating performance of engine oil can be improved.
- the engine oil additive according to the present invention may be one in which the silver crystal particles are dispersed in mineral oil, chemically synthesized oil, or a mixed oil of the mineral oil and the chemically synthesized oil.
- This configuration can provide an engine oil additive that can be easily added to engine oil.
- the engine oil according to the present invention includes a base oil and the engine oil additive according to the present invention.
- the engine oil additive according to the present invention is blended with the engine oil, it is possible to provide an engine oil having excellent lubricating performance.
- the silver crystal particle content per 4 L of the engine oil may be 0.25 to 5 g.
- This configuration can provide an engine oil having better lubrication performance.
- the addition method according to the present invention is a method for adding an additive to engine oil, wherein a plurality of polygonal plate-like silver crystal particles having a length of 300 to 500 nm are added to the engine oil as an additive. It is characterized by doing.
- the lubricating performance of the engine oil can be improved. it can.
- the engine oil additive of the present invention contains silver crystal particles set in a shape and size that easily accumulates or adheres to irregularities on the metal surface of machine parts constituting the engine. Therefore, by adding this engine oil additive to the engine oil, the engine oil can have excellent lubricating performance.
- the engine oil additive according to the present invention is blended with the engine oil, it is possible to provide an engine oil excellent in lubricating performance.
- the lubricating performance of the engine oil can be increased.
- the engine oil additive of the present invention contains a plurality of polygonal plate-like silver crystal particles. These silver crystal particles having a length of 300 to 500 nm are more likely to accumulate or adhere to irregularities on the metal surface of machine parts constituting the engine, compared to other sizes, and engine oil (base Oil).
- the silver crystal particles contained in the engine oil additive of the present invention all have a length of 300 to 500 nm.
- the engine oil additive contains silver crystal particles with a length of less than 300 nm or more than 500 nm, a sufficient amount of silver crystal particles accumulates or adheres to the irregularities on the metal surface of the machine parts that make up the engine Therefore, the unevenness cannot be sufficiently smoothed. That is, the lubrication performance of the engine oil cannot be sufficiently improved, and the engine torque and horsepower cannot be sufficiently improved.
- the form of the engine oil additive of the present invention described above is not particularly limited, and may be a powder form composed of a plurality of silver crystal particles having a length of 300 to 500 nm. It may be in the form of solutions, capsules, and tablets as shown in FIG.
- silver crystal particles having a length of 300 to 500 nm may be dispersed in mineral oil, chemically synthesized oil, or mixed oil of mineral oil and chemically synthesized oil.
- the amount of silver crystal particles in the liquid preparation is 0.25-5 g per 100 mL of mineral oil, chemically synthesized oil, or mixed oil of mineral oil and chemically synthesized oil because of its easy addition to engine oil. It is preferable that it is 0.25 to 1 g.
- the powder may be included in a capsule, or the liquid may be included in a capsule.
- the capsule dissolves in the engine oil, and silver crystal particles having a length of 300 to 500 nm are dispersed.
- the above powder may be compression molded.
- Such an additive for engine oil of the present invention can be used not only for new engine oil but also for engine oil after traveling a certain distance (engine oil in use).
- the amount of the engine oil additive of the present invention added to the engine oil is not particularly limited, but the amount of silver crystal particles per engine (about 4 L of engine oil) is 0.25 to 5 g. More preferably, it is added so as to be 0.25 to 1 g.
- the amount of silver crystal particles per engine is less than 0.25 g, a sufficient amount of silver crystal particles to smooth the irregularities on the metal surface cannot be secured, which is sufficient for engine oil. There is a risk that it will not be possible to provide a proper lubricating performance. Further, if the amount of silver crystal particles per engine exceeds 5 g, the effect of adding silver crystal particles may be saturated, which is economically undesirable.
- the additive for engine oil of the present invention can be used for engine oils of any kind and composition, and includes mineral oil, chemically synthesized oil, or mixed oil of mineral oil and chemically synthesized oil as a base oil. It can be used for any commercially available engine oil. Among these, engine oils with viscosities of 0W-20, 0W-40, 0W-30, and 0W-50 tend to disperse silver crystal particles uniformly, and therefore are used for the engine oil additive of the present invention. Especially suitable.
- a dispersant may be blended in the engine oil additive of the present invention as necessary.
- the dispersant any one capable of preventing aggregation of silver crystal particles can be used, and sulfonate, phenate, syllate, phosphonate, and succinimide dispersants are preferably used. Can be used. These dispersants may be used alone or in combination of two or more.
- the engine oil of the present invention includes a base oil and the above-described additive for engine oil of the present invention.
- the base oil is not particularly limited, and one kind selected from mineral oil, chemically synthesized oil, and mixed oil of mineral oil and chemically synthesized oil can be used alone or in combination of two or more kinds. It is.
- the viscosity of the engine oil of the present invention is preferably set to any of 0W-20, 0W-40, 0W-30, and 0W-50, at which silver crystal particles are easily dispersed uniformly.
- the silver crystal particle content is preferably 0.25 to 5 g, more preferably 0.25 to 1 g, per 4 L of the engine oil.
- the amount of silver crystal particles per 4 L of engine oil is less than 0.25 g, a sufficient amount of silver crystal particles for smoothing the unevenness of the metal surface cannot be secured, which is sufficient for engine oil. There is a risk that it will not be possible to provide a proper lubricating performance.
- the amount of silver crystal particles per 4 L of engine oil exceeds 5 g, the effect of adding silver crystal particles may be saturated, which is economically undesirable.
- the addition method of the present invention is to add a plurality of polygonal plate-like silver crystal particles having a length of 300 to 500 nm as an additive to the engine oil.
- the amount of silver crystal particles added is preferably 0.25 to 5 g per engine (about 4 L of engine oil), similarly to the amount of engine oil additive according to the present invention. More preferably, it is 25 to 1 g.
- Example 1 The additive for engine oil according to Example 1 of the present invention is obtained by dispersing 0.25 g of a plurality of polygonal plate-like silver crystal particles having a length of 300 to 500 nm with respect to 100 mL of mineral oil.
- the chassis dynamo test is a test in which a vehicle is mounted on a measuring instrument and the vehicle performance such as the number of revolutions, engine horsepower, and torque is measured. The test was performed by measuring the torque and horsepower at a rotational speed of about 1500 to 7000 rpm with a New Zealand Dynapack (trade name).
- the car used for the chassis dynamo test is Mazda Motor Corporation's Eunos Roadster NA6CE with a mileage of 93188 km.
- the engine type is a B6 type (four-cylinder gasoline engine) and the displacement is 1597 CC.
- the engine oil used was 4CR manufactured by Wako Chemical Co., Ltd.
- Table 1 shows the results of a test conducted on engine oil to which no additive was added (no additive), and 100 mL of the engine oil additive of Example 1 (0.25 g of silver crystal particles). ) And the results of testing.
- Example 1 improves the torque and horsepower compared to the additive-free additive. This result is considered to be due to the fact that the engine oil additive of Example 1 imparted a lubricating action to the engine oil and improved the lubrication performance of the engine oil.
- Example 1 In addition, in order to prove that the additive for engine oil of Example 1 has an effect of improving torque and horsepower regardless of the type of automobile, that is, the type of engine, the same chassis dynamo test as described above was conducted.
- the test vehicle was a BMW 135i coupe (6MT) manufactured by BMW Co., which had a travel distance of 5965 km.
- the engine type of this test vehicle is N54B30A (in-line six-cylinder DOHC), and the displacement is 2979CC.
- Table 2 The results are shown in Table 2 below.
- Example 2 As shown in Table 2, it is recognized that the engine oil additive of Example 1 improves torque and horsepower as compared to the additive-free BMW135i coupe (6MT) manufactured by BMW. It was.
- Example 1 In addition, in order to prove that the engine oil additive of Example 1 is superior in the effect of improving the torque and horsepower of the engine as compared with the conventional one, the engine oil additive of Example 1 was added.
- the torque and horsepower were compared with the torque and horsepower when a commercial engine oil additive (commercial product) in which silver crystal particles of 3 to 5 nm were dispersed in the oil liquid was added. The results are shown in Table 4 below.
- the car used for the chassis dynamo test is S2000 manufactured by Hyundai Motor Co., Ltd., and has a running distance of 53500 km.
- the engine type is FC20 and the displacement is 1997CC.
- 4CR made from Wako Chemical Co., Ltd. was used for engine oil.
- the amount of Example 1 and the commercially available engine oil additive was both 100 mL.
- Example 1 As shown in Table 4, it was recognized that the engine oil additive of Example 1 was superior in the effect of improving torque and horsepower as compared to commercially available products. This result is considered to be due to the fact that the engine oil additive of Example 1 is superior in the effect of imparting a lubricating action to the engine oil and enhancing the lubrication performance of the engine oil as compared with the commercially available product.
- the additive for engine oil according to Example 1 of the present invention enhances the lubrication performance of engine oil and can improve fuel efficiency in addition to engine torque and horsepower. I understood.
- the present invention can be applied to engine oil for automobiles and construction machines.
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Lubricants (AREA)
Abstract
Description
本発明の実施例1に係るエンジンオイル用添加剤は、鉱物油100mLに対して300~500nmの長さを有する多角板状の複数の銀結晶粒子を0.25g分散させたものである。
この実施例1のエンジンオイル用添加剤によるエンジンのトルク及び馬力の増減を確認するため、シャシー・ダイナモ試験を行った。シャシー・ダイナモ試験は、計測器に自動車を取り付け、回転数、エンジン馬力、トルク等の自動車性能を計測する試験である。試験は、約1500~7000rpmの回転数におけるトルク及び馬力をニュージーランド製のダイナパック(商品名)により計測することにより行った。
実施例1のエンジンオイル用添加剤による燃費の増減を確認するため、複数種の試験自動車を用意し、実施例1のエンジンオイル用添加剤の添加前後の燃費を測定した。具体的には、ガソリンタンクをガソリンで満タンにした後、試験自動車を十分に走行させ、その走行距離を、再びガソリンタンクをガソリンで満タンにしたときの給油量で除して、1L当たりの走行距離を算出することにより、燃費を測定した。この結果を以下表5に示す。なお、試験自動車の車種及び型式は、以下表5に示す通りである。また、エンジンオイルには、粘度が0W-50のものを用いた。実施例1のエンジンオイル用添加剤のエンジンオイルへの添加量は、試験自動車(エンジン)1台に対し100mL(銀結晶粒子0.25g)とした。
Claims (5)
- 300~500nmの長さを有する多角板状の複数の銀結晶粒子を含むことを特徴とするエンジンオイル用添加剤。
- 請求項1に記載のエンジンオイル用添加剤であって、
鉱物油、化学合成油、又は前記鉱物油と前記化学合成油との混合油に、前記銀結晶粒子が分散されていることを特徴とするエンジンオイル用添加剤。 - 基油と、請求項1又は2に記載のエンジンオイル用添加剤とを含むことを特徴とするエンジンオイル。
- 請求項3に記載のエンジンオイルであって、
当該エンジンオイル4L当たりの前記銀結晶粒子の含有量が0.25~5gであることを特徴とするエンジンオイル。 - エンジンオイルへの添加剤の添加方法であって、
エンジンオイルに、添加剤として、300~500nmの長さを有する多角板状の複数の銀結晶粒子を添加することを特徴とする添加方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/510,112 US8999902B2 (en) | 2009-11-20 | 2010-08-24 | Engine oil additive, engine oil and method of addition thereof |
EP10831378.4A EP2502975B1 (en) | 2009-11-20 | 2010-08-24 | Additive for engine oil, engine oil, and addition method |
CN2010800525279A CN102712861B (zh) | 2009-11-20 | 2010-08-24 | 发动机油用添加剂、发动机油、及添加方法 |
HK13100477.7A HK1173176A1 (en) | 2009-11-20 | 2013-01-11 | Additive for engine oil, engine oil, and addition method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2009264732A JP4742188B2 (ja) | 2009-11-20 | 2009-11-20 | エンジンオイル用添加剤、エンジンオイル、及び添加方法 |
JP2009-264732 | 2009-11-20 |
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WO2011061979A1 true WO2011061979A1 (ja) | 2011-05-26 |
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US (1) | US8999902B2 (ja) |
EP (1) | EP2502975B1 (ja) |
JP (1) | JP4742188B2 (ja) |
CN (1) | CN102712861B (ja) |
HK (1) | HK1173176A1 (ja) |
WO (1) | WO2011061979A1 (ja) |
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2009
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2010
- 2010-08-24 EP EP10831378.4A patent/EP2502975B1/en active Active
- 2010-08-24 US US13/510,112 patent/US8999902B2/en active Active
- 2010-08-24 CN CN2010800525279A patent/CN102712861B/zh active Active
- 2010-08-24 WO PCT/JP2010/064269 patent/WO2011061979A1/ja active Application Filing
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2013
- 2013-01-11 HK HK13100477.7A patent/HK1173176A1/xx unknown
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JPS6159622A (ja) * | 1984-08-29 | 1986-03-27 | Hitachi Maxell Ltd | 磁気記録媒体 |
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JP2005098470A (ja) * | 2002-10-17 | 2005-04-14 | Mitsuboshi Belting Ltd | 歯付ベルト |
WO2006001427A1 (ja) * | 2004-06-25 | 2006-01-05 | Kenzo Shimamura | 潤滑オイル及びその製造方法 |
JP2006008954A (ja) * | 2004-06-29 | 2006-01-12 | A First Kk | 潤滑剤組成物 |
JP2006111903A (ja) * | 2004-10-13 | 2006-04-27 | Shoei Chem Ind Co | 高結晶性フレーク状銀粉末とその製造方法 |
JP2009523863A (ja) * | 2006-01-12 | 2009-06-25 | ザ ボード オブ トラスティーズ オブ ザ ユニバーシティ オブ アーカンソー | ナノ粒子組成物およびその製法並びに使用法 |
JP2009052863A (ja) | 2007-08-29 | 2009-03-12 | Ngk Insulators Ltd | 熱処理炉 |
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Non-Patent Citations (1)
Title |
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See also references of EP2502975A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP2502975A4 (en) | 2013-05-01 |
US8999902B2 (en) | 2015-04-07 |
HK1173176A1 (en) | 2013-05-10 |
EP2502975B1 (en) | 2017-01-18 |
CN102712861B (zh) | 2013-12-04 |
JP2011105896A (ja) | 2011-06-02 |
US20120231983A1 (en) | 2012-09-13 |
CN102712861A (zh) | 2012-10-03 |
EP2502975A1 (en) | 2012-09-26 |
JP4742188B2 (ja) | 2011-08-10 |
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