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nanoparticle dispersion grinding patent

US20040251329A1 - Grinding process for ... - Google Patents

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 grinding-media into the mixture; wherein the grinding-media are glass beads with an average particle diameter of less than 100 m; milling or grinding the mixture; and separating the grinding-media from ...

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JP5144086B2 - Dispersion or grinding ... - Google Patents

JP5144086B2 - Dispersion or grinding apparatus and dispersion or grinding method - Google Patents ... 2008-09-04 Publication of JP2008200601A publication Critical patent/JP2008200601A/ja ... 239000002105 nanoparticles Substances 0.000 description 42;

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KR20150013675A - A metallic nanoparticle dispersion ...

Discuss; 239000006185 dispersions Substances 0.000 title claims abstract description 75; 239000002105 nanoparticles Substances 0.000 title description 16; 239000002082 metal nanop

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US Patent for Surface modified drug nanoparticles Patent ...

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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JP2012185944A - Metal nanoparticle dispersion - Google Patents

Disclosed is a metal nanoparticle dispersion liquid which can form a metal coating film such as metal wiring, which has good dispersion stability of metal nanoparticles and excellent adhesion to a base such as a substrate. A dispersion containing metal nanoparticles having a surface on which an aliphatic amine, a fatty acid, and a silane coupling agent are adsorbed, and a hydrophobic solvent ...

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nanoparticle dispersion grinding patent - quartz-crusher

nanoparticle dispersion grinding patent ; 8 Mar 2012 . A process for making magnetite nanoparticle dispersions by . The process of 10 wherein the grinding is performed in an inert atmosphere with:. More details. 22 Feb 2011 . The present disclosure includes a method for preparing an aqueous dispersion of γ-Fe2O3 nanoparticles.

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grinding dispersion particle

nanoparticle dispersion grinding patent. Nanoparticle Dispersion Grinding Patent. Nanoparticle Dispersion Grinding Patent Processing ability 2-120t/h Feeding size ≤15-≤30mm Product granularity ≤15-≤30mm High pressure grinding mill can grind stone into

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Effectively Grinding And Dispersing Nanoparticles Using A ...

Nanoparticles must be first dispersed in a liquid to be used effectively, and over the past few years, the use of fine bead mills for grinding and dispersion of these particles has become more and more prevalent. Fine bead mills, widely used in both laboratory and production applications, deliver an efficient

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Dispersion Techniques of Nanoparticles

Sonicators, Nanoparticle dispersion) I. INTRODUCTION In recent years, composites nanoparticles are advanced materials that have gain attention at foreground of research due to their scientific and technological importance. It has a modifiers of polymer, catalyst with huge activity and specificity and metal semiconductor [1].

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Google Patents

Search and read the full text of patents from around the world with Google Patents, and find prior art in our index of non-patent literature.

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US 5145684 A - Surface Modified Drug Nanoparticles - The ...

[00079] A nanoparticle dispersion of Danazol was prepared using 1 mm diameter glass grinding media (0.85-1.18 mm from Potters Industries). A cylindrical glass vessel having a diameter of 2.75 inches (7.0 cm) with a volume of 400 ml was charged with 212 ml of unleaded glass grinding

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PROCESS FOR PREPARATION OF NANOPARTICLES FROM MAGNETITE ...

The particle sizes observed for the dispersion prepared using 1 mm and 0.5 mm zirconium oxide grinding balls in the final grinding stages were 32 and 21 nm, respectively (see FIGS. 3 and 4); the observed zeta potentials of the nanoparticle

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METHOD OF PRODUCING NANOPARTICLES AND STIRRED MEDIA

We claim: 1. A method of producing nanoparticles of size less than 100 nm using stirred media mill, said method comprising steps of: a. grinding slurry having particle concentration ranging between 20 to 50 wt % with beads occupying 60 to 90% of the mill volume at pin-tip velocity ranging between 6 to 10 m/s, b. maintaining viscosity and pH of the slurry during the grinding

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Grinding process for forming a slurry of nanoparticles ...

Dec 16, 2004  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

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US Patent for Method of preparing stable drug ...

Stable dispersible particles consisting essentially of a crystalline drug substance having a surface modifier adsorbed on the surface thereof in an amount sufficient to maintain an effective average particle size of less than about 400 nm are prepared by providing a drug substance, depyrogenating grinding media, mixing the drug substance, grinding

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nanoparticle dispersion grinding patent - quartz-crusher

nanoparticle dispersion grinding patent ; 8 Mar 2012 . A process for making magnetite nanoparticle dispersions by . The process of 10 wherein the grinding is performed in an inert atmosphere with:. More details. 22 Feb 2011 . The present disclosure includes a method for preparing an aqueous dispersion of γ-Fe2O3 nanoparticles.

More

grinding dispersion particle

nanoparticle dispersion grinding patent. Nanoparticle Dispersion Grinding Patent. Nanoparticle Dispersion Grinding Patent Processing ability 2-120t/h Feeding size ≤15-≤30mm Product granularity ≤15-≤30mm High pressure grinding

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Grinding Mill For Nanoparticles

Nanoparticle dispersion grinding patent For each project scheme design, we will use professional knowledge to help you, carefully listen to your demands, respect your opinions, and use our

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US 5145684 A - Surface Modified Drug Nanoparticles - The ...

[00079] A nanoparticle dispersion of Danazol was prepared using 1 mm diameter glass grinding media (0.85-1.18 mm from Potters Industries). A cylindrical glass vessel having a diameter of 2.75 inches (7.0 cm) with a volume of 400 ml was charged with 212 ml of unleaded glass grinding media.

More

PROCESS FOR PREPARATION OF NANOPARTICLES FROM MAGNETITE ...

The particle sizes observed for the dispersion prepared using 1 mm and 0.5 mm zirconium oxide grinding balls in the final grinding stages were 32 and 21 nm, respectively (see FIGS. 3 and 4); the observed zeta potentials of the nanoparticle dispersions were +40 and +42 mV, respectively.

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METHOD OF PRODUCING NANOPARTICLES AND STIRRED MEDIA

We claim: 1. A method of producing nanoparticles of size less than 100 nm using stirred media mill, said method comprising steps of: a. grinding slurry having particle concentration ranging between 20 to 50 wt % with beads occupying 60 to 90% of the mill volume at pin-tip velocity ranging between 6 to 10 m/s, b. maintaining viscosity and pH of the slurry during the grinding, and c. obtaining ...

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Patent Issues Highlight Risks of Moderna’s COVID-19 ...

Sep 14, 2020  Lipid nanoparticle (LNP) dispersion containing an mRNA that encodes for the prefusion stabilized spike protein 2019-nCoV. mRNA-1273 consists of an mRNA Drug Substance that is manufactured into ...

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Grinding process for forming a slurry of nanoparticles ...

Dec 16, 2004  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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ORGANIC PIGMENT NANOPARTICLE DISPERSION, PRODUCING METHOD ...

Patent: Examined Patent Application - Republic of Korea. Application: KR20070054145 on 2007-06-01. Publication: 2007-12-06. Abstract. An organic pigment nanoparticle dispersion, its preparation method, a colored photosensitive resin composition containing the dispersion, a photosensitive resin transfer material using the composition, a color ...

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Silver nanoparticles, method for producing same, silver ...

Nov 15, 2016  Provided are silver nanoparticles having excellent dispersion stability and capable of forming on a substrate a silver element, such as a silver film

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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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grinding dispersion particle

nanoparticle dispersion grinding patent. Nanoparticle Dispersion Grinding Patent. Nanoparticle Dispersion Grinding Patent Processing ability 2-120t/h Feeding size ≤15-≤30mm Product granularity ≤15-≤30mm High pressure grinding mill can grind stone into

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Fine Grinding And Dispersion Machine K8010010

High quality ne grinding and dispersion achieved by. Premium mill for wet fine grinding and dispersion Particle technology for co-creation of new possibilities KEY POINT Well polished superb beads separation performance 5x higher than conventional mills Minimum bead diameter 0.1 mm Small beads compatible High viscosity slurry compatible Large ow rate operation possible Proven record of

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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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NANOPARTICLE DISPERSION CONTAINING LACTAM

Disclosed is a nanoparticle dispersion comprising nanoparticles dispersed in an aqueous medium in the presence of at least one stabilizer. The nanoparticles comprise at least lactam compound of formula (I): wherein R1, R2, R3, R4, R5, R6, R7, and Q are defined herein. A method is provided of the parenteral administration of the nanoparticle dispersion as a treatment for cancer or another ...

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Using an agitator bead mill for nanoparticle dispersion ...

Mild dispersion versus real comminution The bead mill reduces material to nanoparticles in one of two ways — mild dispersion and real comminution. The difference between mild dispersion (disaggregation or deagglomeration) and real comminution (reducing parti-cles below their primary particle size) is a matter of energy input.

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NANOPARTICLE DISPERSION CONTAINING LACTAM COMPOUND ...

Disclosed is a nanoparticle dispersion comprising nanoparticles dispersed in an aqueous medium in the presence of at least one stabilizer. The nanoparticles comprise at least lactam compound of formula (I): wherein R1, R2, R3, R4, R5, R6, R7, and Q are defined herein. A method is provided of the parenteral administration of the nanoparticle dispersion as a treatment for cancer or another ...

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US 5145684 A - Surface Modified Drug Nanoparticles - The ...

[00079] A nanoparticle dispersion of Danazol was prepared using 1 mm diameter glass grinding media (0.85-1.18 mm from Potters Industries). A cylindrical glass vessel having a diameter of 2.75 inches (7.0 cm) with a volume of 400 ml was charged with 212 ml of unleaded glass grinding media.

More

Patent Issues Highlight Risks of Moderna’s COVID-19 ...

Sep 14, 2020  Lipid nanoparticle (LNP) dispersion containing an mRNA that encodes for the prefusion stabilized spike protein 2019-nCoV. mRNA-1273 consists of an mRNA Drug Substance that is manufactured into ...

More

PROCESS FOR PREPARATION OF NANOPARTICLES FROM MAGNETITE ...

The particle sizes observed for the dispersion prepared using 1 mm and 0.5 mm zirconium oxide grinding balls in the final grinding stages were 32 and 21 nm, respectively (see FIGS. 3 and 4); the observed zeta potentials of the nanoparticle dispersions were +40 and +42 mV, respectively.

More

ORGANIC PIGMENT NANOPARTICLE DISPERSION, PRODUCING METHOD ...

Patent: Examined Patent Application - Republic of Korea. Application: KR20070054145 on 2007-06-01. Publication: 2007-12-06. Abstract. An organic pigment nanoparticle dispersion, its preparation method, a colored photosensitive resin composition containing the dispersion, a photosensitive resin transfer material using the composition, a color ...

More

Grinding process for forming a slurry of nanoparticles ...

Dec 16, 2004  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

More

Silver nanoparticles, method for producing same, silver ...

Nov 15, 2016  Provided are silver nanoparticles having excellent dispersion stability and capable of forming on a substrate a silver element, such as a silver film

More

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, ...

More

NANOPARTICLE DISPERSION CONTAINING LACTAM

Disclosed is a nanoparticle dispersion comprising nanoparticles dispersed in an aqueous medium in the presence of at least one stabilizer. The nanoparticles comprise at least lactam compound of formula (I): wherein R1, R2, R3, R4, R5, R6, R7, and Q are defined herein. A method is provided of the parenteral administration of the nanoparticle dispersion as a treatment for cancer or another ...

More

NANOPARTICLE DISPERSION CONTAINING LACTAM COMPOUND ...

Disclosed is a nanoparticle dispersion comprising nanoparticles dispersed in an aqueous medium in the presence of at least one stabilizer. The nanoparticles comprise at least lactam compound of formula (I): wherein R1, R2, R3, R4, R5, R6, R7, and Q are defined herein. A method is provided of the parenteral administration of the nanoparticle dispersion as a treatment for cancer or another ...

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Dispersing nanoparticles in liquids - ScienceDirect

Dec 10, 2004  Dispersion of a paint filler shows the change in the particle size with stressing time in a stirred ball mill. Most of the agglomerates of the feed are larger than 100 μm. During dispersion, two agglomerate sizes can be seen more clearly in the depiction as density distribution (see Fig. 12). Both the smaller agglomerates around 1 μm and the ...

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Nanoparticle dispersion containing lactam compound ...

Disclosed is a nanoparticle dispersion comprising nanoparticles dispersed in an aqueous medium in the presence of at least one stabilizer. The nanoparticles comprise at least lactam compound of formula (I): wherein R, R, R, R, R, R, R, and Q are defined herein. A method is provided of the parenteral administration of the nanoparticle dispersion as a treatment for cancer or ...

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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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Nanoparticle processing: Understanding and controlling ...

May 01, 2020  Mechanical grinding of aggregated particles is often practiced to make nanoparticles, but the particle size is typically broad and impurities can get incorporated from wearing of the milling agent . Chemically-bonded agglomerates are attractive for certain applications, e.g., catalysis, fiber optics and electroceramics (e.g. battery).

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NANOPARTICLE TECHNOLOGY: FORMULATING POORLY WATER

NANOPARTICLE TECHNOLOGY: FORMULATING POORLY WATER-SOLUBLE COMPOUNDS: A REVIEW ... For dispersion and wet grinding in the micron to nano range dyno mill is generally used. ... Czekai D.A, Liversidge G.G. Surface modified drug nanoparticles. 1992; US Patent 5145684. Chakka V. M., Altuncevahir B., Jin Z. Q., Magnetic nanoparticles produced by ...

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