nanoparticle dispersion grinding patent
nanoparticle dispersion grinding patent
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nanoparticle dispersion grinding patent

nanoparticle dispersion grinding patent

Welcome to PubChem!US Patent for Metallic nanoparticle dispersion Patent .Metallic nanoparticle dispersion Jul 1, 2014 - AFGA-GEVAERT A metallic nanoparticle dispersion includes metallic nanoparticles and less than 50 μmol/g metal of an inorganic acid or a compound capable of generating such an acid during curing of a metallic layer or pattern ...

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A metallic nanoparticle dispersion - Google Patents

The present invention relates to a metallic nanoparticle dispersion comprising a dispersion medium characterized in that the dispersion medium comprises a solvent according to Formula I, wherein R 1 and R 2 represent an optionally substituted alkyl group, and R 1 and R 2 may form a ring. When using a solvent according to Formula I as dispersion medium, no polymeric dispersants are necessary to ...

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DE102015211280A1 - Dispersion of ... - Google Patents

nanoparticles electromagnetic wave dispersion dispersion medium agglomerated Prior art date 2015-06-18 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.) Granted Application number DE102015211280.2A Other ...

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US20120056121A1 - Process for preparation of nanoparticles ...

US20120056121A1 US13/176,515 US201113176515A US2012056121A1 US 20120056121 A1 US20120056121 A1 US 20120056121A1 US 201113176515 A US201113176515 A US 201113176515A US 2012056121 A1 US2012056121 A1 US 2012056121A1 Authority US United States Prior art keywords nanoparticles magnetite grinding acid ore Prior art date 2010-07-02 Legal status (The legal status is

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WO2004000916A2 - Stable dispersions of nanoparticles in ...

A process to prepare a stable dispersion of nanoparticles in aqueous media. A dispersant and aqueous are combined to form a mixture. The dispersant is selected from the group comprising copolymers and cyclic phosphates. Nanoparticles are added to the mixture to form the dispersion.

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nanoparticle dispersion grinding patent

nanoparticle dispersion grinding patent. Nanoparticle technology for heavy oil in-situ . Nanoparticle technology for heavy oil in-situ upgrading and recovery enhancement Opportunities and challenges. Patent US - Polymorphic crystalline forms . CROSS REFERENCE TO RELATED APPLICATIONS. This Patent Application claims priority to U.S. Provisional ...

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WO2013132703A1 - Nanoparticle dispersion, nanoparticle ...

[Problem] To provide a process for manufacturing a nanoparticle dispersion, said process enabling stable dispersion which is not accompanied with the aggregation of nanoparticles. [Solution] This process for manufacturing a nanoparticle dispersion comprises: subjecting a material (5) to be crushed into nanoparticles to immersion in a solvent (4) put in a treatment vessel (3); irradiating the ...

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US Patent for Surface modified drug nanoparticles Patent ...

Jan 25, 1991  A nanoparticle dispersion of Danazol was prepared for clinical evaluation using a ball milling dispersion method. This dispersion was prepared by milling with glass grinding media. The grinding media used was: Media type: 0.85-1.18 mm unleaded glass spheres. Media quantity: 6100 ml. The media was added to a 3 gallon porcelain jar.

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DE102015211280A1 - Dispersion of ... - Google Patents

The invention relates to a method for dispersion of agglomerated nanoparticles (10), the method comprising: - mixing the agglomerated nanoparticles (10) with a dispersion medium to obtain a mixture, - irradiating a first electromagnetic wave (2) into the mixture, wherein the first electromagnetic wave (2) is designed to excite a self-oscillation (20) of the nanoparticles (10), the first ...

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Grinding process for forming a slurry of nanoparticles ...

Dec 30, 2003  BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a process for forming a slurry of dispersed particles and, more particularly, to a grinding process for forming a slurry of dispersed nanoparticles used for dying, colored-pigment-dispersing of a textile, or for dispersion of coatings, printing inks, organic or inorganic flame

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Nanoparticle Dispersion Qsonica

Proven Nanoparticle Dispersion Technology High shear forces created by ultrasonic cavitation have the ability to break up particle agglomerates and result in smaller and more uniform particles sizes. The stable and homogenous suspensions produced by ultrasonics are widely used in many industries today. Probe sonication

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Grinding and dispersing nanoparticles. - Free Online Library

Jan 01, 2004  Over the past few years we have observed an increase in the desire to use bead mills for grinding and dispersion of "nanoscale" particles. The objective of this paper is a general discussion of how this process works in a bead mill, the parameters required to successfully produce these nanoscale dispersions, and some experience in grinding or particle size reduction of solids to the nanoscale.

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bead mill for wet griding nm dispersion

nanoparticle dispersion grinding patent. By grinding micro-sized coarse powder with grinding beads of 50 μm in diameter the mean hydrodynamic diameter of Cs 0.33 WO 3 powder could be reduced to about 50 nm in 3 h and a stable aqueous dispersion could be

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United States Patent Application Publication Pub. No.: US ...

Patent Application Publication Sep. 29, 2011 Sheet 2 of 5 Jl 0 ..,.Br Br 7'-toluene Macroinitiator Scheme Figure 3 ~~; t ~ Cu(l)Br/HMTETA 40°C, 27h oyO

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grinding dispersing nanoparticle

grinding and dispersing nanoparticles 2004. grinding and dispersing nanoparticles - rely-project A grinding process for forming a slurry of nanoparticles, consists of the following steps: forming a mixture by mixing a matrix, a dispersant and dispersing media together; adding a pre-treated grindi. nanoparticle dispersion grinding patent

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Ultrasonic Dispersion Liquid Delivery System Siansonic ...

The nanoparticle dispersion system can be installed in a variety of syringe pumps, and is often used as an auxiliary accessory unit in the precision spray coating system. At the same time, Siansonic have rich experience in nano particle dispersion, ultrasonic dispersion, ultrasonic mixing, ultrasonic crushing and ultrasonic sonication of liquid ...

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(PDF) CELLULOSE NANOFIBERS AND THEIR NANOCOMPOSITES -A ...

The pressure was adjusted to 400 bar, and flow of dispersion through the homogenizer was about 150 ml per min. The dispersion is passed through the apparatus several times. If was found that after 10 passes, a viscous dispersion of nanofibers was obtained having grinding degree of 91 oSR.

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METHOD AND COMPOSITION FOR LIGHTNING PROTECTION ...

A particulate composition suitable for protection against lightning is disclosed. The particulate composition comprises of a particulate matter comprising a mineral compound, preferably black tourmaline, capable of emitting negatively charged ions continuously, a grinding auxiliary agent, and a liquid medium. The particulate composition is embedded in a substrate, coating or mixed into the ...

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Nebulized aerosols containing nanoparticle dispersions ...

United States Patent 6264922 ... In another aspect of the invention, there is provided a method for forming an aerosol of a nanoparticle dispersion, said nanoparticles comprising insoluble therapeutic or diagnostic agent particles having a surface modifier on the surface thereof, said method comprising the steps of: ... Grinding . The described ...

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MANUFACTURING METHOD OF FUNCTIONAL DRUG NANOPARTICLES ...

The producing method of the present invention comprises wet-grinding a water soluble dispersion containing a drug and surface stabilizing agent comprising of a water soluble polymer by milling to produce a slurry mixture; and adding an aqueous solution containing a pharmaceutically functional substance in the above-mentioned step, which ...

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NANOPARTICLE/DISPERSANT COMPLEX, NANOPARTICLE DISPERSION ...

Patent: Patent Appl. Publ. within the TVPP - United States. Application: US200913054411 on 2009-07-27. Publication: 2011-06-16. ... and one of an oxo acid group containing a sulfur atom or a phosphorus atom and an anion moiety of the oxo acid group in the nanoparticle dispersion liquid, ...

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Surface modified drug nanoparticles - Sterling Drug Inc.

Jan 25, 1991  A nanoparticle dispersion of Danazol was prepared for clinical evaluation using a ball milling dispersion method. This dispersion was prepared by milling with glass grinding media. The grinding media used was: Media type: 0.85-1.18 mm unleaded glass spheres . Media quantity: 6100 ml . The media was added to a 3 gallon porcelain jar.

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The use of tyloxapol as a nanoparticle stabilizer and ...

The nanoparticles useful in the practice of this invention can be prepared according to the methods disclosed in U.S. Patent No. 5,145,684. Briefly, nanoparticles are prepared by dispersing a poorly soluble therapeutic or diagnostic agent in a liquid dispersion medium and wet-grinding the agent in the presence of grinding media to reduce the ...

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Grinding and Dispersion Equipment For Nano Scale ...

Grinding and Dispersion Equipment For Nano Scale Applications Harry Way, Technical Director, NETZSCH Fine Particle Technology, LLC INTRODUCTION Ever since Tokyo University of Science professor Norio Taniguchi coined the term, “nano-technology” in 1974, we have heard much about nanoparticles and what can be done with them.

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Aerosols containing beclomethazone nanoparticle ...

An aerosol of an aqueous dispersion of nanoparticles, wherein the nanoparticles comprise 0.1 to 60% (w/w) of insoluble beclomethasone particles having (1) an average particle size of less than about 400 nm, and (2) 0.1 to 90% (w/w) of a surface modifier adsorbed on the surface thereof.

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grinding dispersing nanoparticle

grinding and dispersing nanoparticles 2004. grinding and dispersing nanoparticles - rely-project A grinding process for forming a slurry of nanoparticles, consists of the following steps: forming a mixture by mixing a matrix, a dispersant and dispersing media together; adding a pre-treated grindi. nanoparticle dispersion grinding patent

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Particle Reduction Into the Nanometer Range Blog ...

Feb 22, 2013  In some cases both processes must be used to produces a stable Nanoparticle distribution. “Top down” particle reduction can be achieved through the use of wet grinding media mills. However, in order to produces these products efficiently, media must be very fine. Media for Nano-grinding can range from 25 – 300 um.

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Patents - Nano Di

Patents. The following products, their components, compositions, sub-systems, and methods implemented using these products are protected by patents in the U.S. and elsewhere owned by Nano-Dimension Technologies, LTD. This website is provided to satisfy the virtual patent marking provisions of various jurisdictions including the virtual patent ...

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Nanoparticle-based targeted drug delivery

Applications and Advantages of Nanoparticle Drug Carriers. Polymeric nanoparticles made from natural and synthetic polymers have received the majority of attention due to their stability and ease of surface modification (Herrero-Vanrell et al., 2005; Vauthier et al., 2003).They can be tailor-made to achieve both controlled drug release and disease-specific localization by tuning the polymer ...

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nanoparticles - SlideShare

Oct 11, 2011  Grinding in a powder mill ( 50 – 100 particles ) Dispersion of the lipid in the cold aqueous dispersion medium Solid Lipid Nanoparticles 49. Nanocrystals : Drug Dispersion with agitation Surfactant solution Milling for few hours/day Nanocrystals 50.

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Synthesis of Magnetite Nanoparticles by Top-Down Approach ...

Sep 09, 2015  This study attempts to synthesize magnetite nanoparticles from a high purity natural iron oxide ore found in Panvila, Sri Lanka, following a novel top-down approach. Powder X-Ray diffraction, elemental analysis, and chemical analysis data confirmed the ore to be exclusively magnetite with Fe 2+ : Fe 3+ ratio of 1#x2009;:#x2009;2.

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PRODUCTION OF ORGANIC PIGMENT NANOPARTICLES BY

Stirred media mills are widely used in industry for fine and ultra-fine grinding of various materials and dispersion of aggregates. There is a growing interest in the large- ... The Kodak patents ... little work has been performed in understanding nanoparticle production through a grinding process.13-15 This study will further the understanding ...

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