Contact Us

C o n t a c t U s

nanoparticle dispersion grinding patent

Specific nanoparticle shapes can be used to encapsulate or bind drug . drugs now off the market or off patent, allowing » Learn More grinding and dispersion machinesUS Patent # 6,264,922.

US Patent Application for NANOPARTICLE DISPERSION

A dispersion that includes at least one organic solvent; nanoparticles, wherein the nanoparticles are infrared absorptive, conductive or a both infrared absorptive and conductive; and at least one polycaprolactone-polyamine copolymer, wherein the dispersion comprises agglomerates of the nanoparticles and a majority of the agglomerates have an average diameter that are not greater than

grinding dispersion particle

nanoparticle dispersion grinding patent. Surface modified drug nanoparticles Free Patents Online. Sep 08 1992 · The resulting dispersion of this invention is stable and consists of the liquid dispersion medium and the abovedescribed particles. The dispersion of surface modified drug nanoparticles can be spray coated onto sugar spheres or onto

Effectively Grinding And Dispersing Nanoparticles Using

2019-12-2  practical methods for handling fine grinding media. The design aspects and operating modes of the new mill facilitate effective nanoparticle dispersion. The method for preventing damage to nanoparticles is to run a mill at a slow rotor speed; however this reduces separation efficiency, in effect limiting the use of that equipment for dispersion.

Silver Nanoparticle Dispersion Formulation Patent

2006-6-8  Silver Nanoparticle Dispersion Formulation (PAT US2010203088) SANJEEV KHANDELWAL, PRATIBHA OMRAY. Patent: Patent Appl. Publ. within the TVPP United States. Application: US20060921970 on 2006-06-08. Publication: 2010-08-12. Abstract. A topical semisolid (gel) formulation of nanoparticles of silver comprising about 0.001% w/w to

EP2671927A1 A metallic nanoparticle dispersion Google

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...

Lignin nanoparticle dispersions and methods for producing

What is claimed is: 1. A method of preparing an aqueous lignin nanoparticle dispersion, comprising the steps of: combining (a) lignin, and (b) water, to form an aqueous composition adjusting the pH of the aqueous composition with a base, wherein the base is not an inorganic divalent base, to form a lignin composition, that does not form a lignin solution, comprising from about 1 to about 70 wt

WO2017102574A1 A metallic nanoparticle dispersion

A metallic nanoparticle dispersion comprising metallic nanoparticles, a binder and a liquid carrier, characterized in that the binder is a copolymer of vinyl chloride and a hydroxyfunctional monomer. A metallic nanoparticle dispersion

US20120056121A1 Process for preparation of nanoparticles

- Google Patents A process for making magnetite nanoparticle dispersions by reacting the surface groups of the destructured magnetite ore with carboxyl acid groups of the long chain carboxylic acid...

Nebulized aerosols containing nanoparticle dispersions

1997-10-9  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: a) providing a suspension of said nanoparticles;

grinding dispersion particle

nanoparticle dispersion grinding patent. Surface modified drug nanoparticles Free Patents Online. Sep 08 1992 · The resulting dispersion of this invention is stable and consists of the liquid dispersion medium and the abovedescribed particles. The dispersion of surface modified drug nanoparticles can be spray coated onto sugar spheres or onto

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

MANUFACTURING METHOD OF FUNCTIONAL DRUG

Patent: Publ.of the Int.Appl. with 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 The particle surface-modified drug nanoparticle formulation produced by the method has an extended releasing

Grinding process for forming a slurry of nanoparticles

2003-12-30  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

bead mill for wet griding nm dispersion

nanoparticle dispersion grinding patent bead mill for wet griding nm dispersion tinuous dispersion and wet grinding of low,Get Price. Price: Chat Online. Grinding / Dispersion / Mixing Areas of Use

Grinding and dispersing nanoparticles. Free Online Library

2004-1-1  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.

US Patent for Use of non-ionic cloud point modifiers to

1992-12-4  Wet grinding can take place in any suitable dispersion mill, including, for example, a ball mill, an attritor mill, a vibratory mill, and media mills such as a sand mill and a bead mill. A media mill is preferred due to the relatively shorter milling time required to provide the intended result, i.e., the desired reduction in particle size.

Raymond Milling For Nanoparticle Synthesis

2019-2-6  Grinding and dispersing nanoparticles vb-projects.Grinding and dispersing nanoparticles 2004.Nanoparticle dispersion grinding patent iffdc nanoparticle grinding and dispersing ceramic industrya variety of advances in fine bead mill equipment have been. More; Nanoparticle Of

(PDF) Polymer-supported metals and metal oxide

2020-12-7  and metal oxide nanoparticle dispersion in the func- Fig. 11 XPS analysis of chitosan hollow fibers, before and after grinding. 400. 600. 800. 1000. 1200. 1400. 30 35 40 45 50.

Membrane processes in nanoparticle production

2017-1-15  (a) In dispersion mode, reagent A permeates across the membrane and mixes and reacts with reagent B in a bulk medium to form product C; (b) in emulsion mode, the product A reaches desirable dimensions as a dispersion in a continuous phase by passing through a membrane—a phase change or precipitation may also occur, but not a chemical reaction

Grinding and dispersing nanoparticles. Free Online Library

2004-1-1  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.

Aerosol fabrication methods for monodisperse nanoparticles

2014-10-21  Abstract. Exemplary embodiments provide materials and methods for forming monodisperse particles. In one embodiment, the monodisperse particles can be formed by first spraying a nanoparticle-containing dispersion into aerosol droplets and then heating the aerosol droplets in the presence of a shell precursor to form core-shell particles.

Raymond Milling For Nanoparticle Synthesis

2019-2-6  Grinding and dispersing nanoparticles vb-projects.Grinding and dispersing nanoparticles 2004.Nanoparticle dispersion grinding patent iffdc nanoparticle grinding and dispersing ceramic industrya variety of advances in fine bead mill equipment have been. More; Nanoparticle Of

(PDF) Polymer-supported metals and metal oxide

2020-12-7  and metal oxide nanoparticle dispersion in the func- Fig. 11 XPS analysis of chitosan hollow fibers, before and after grinding. 400. 600. 800. 1000. 1200. 1400. 30 35 40 45 50.

Nanomill Zeta RS NETZSCH Grinding & Dispersing PDF

Handling When developing the ZETA® RS machine series ergonomics was an important design criteria. Filling and emptying of the machine, service work and cleaning of the machine were parameters. Swiveling grinding unit via hand wheel or electronic drive as an option (standard from machine size of 10 l) Moveable grinding tank Integrated, removable grinding media collection tray Filling position

Liquid Crystalline Colloids of Nanoparticles: Preparation

2010-1-1  Gas-phase nanoparticle harvesting (top), and liquid phase nanoparticle harvesting (bottom). 305 For laboratory needs, it is more convenient to harvest nanoparticles directly from the liquid dispersion used in the mechanical grinding fabrication process—liquid phase nanoparticle harvesting.

Malvern Panalytical Patents Malvern Panalytical

Patent Numbers Patent Title Instruments; EP2106536B1 (GB, FR, DE602008039489.1) US8111395B2 US8564774B2: Spectrometric Investigation of hetrogeneity: Morphologi G3-ID: GB2522735B JP6560849B2: Method and Apparatus for Powder Dispersion: Morphologi G3-ID, Morphologi G3

Membrane processes in nanoparticle production

2017-1-15  (a) In dispersion mode, reagent A permeates across the membrane and mixes and reacts with reagent B in a bulk medium to form product C; (b) in emulsion mode, the product A reaches desirable dimensions as a dispersion in a continuous phase by passing through a membrane—a phase change or precipitation may also occur, but not a chemical reaction

HCPN Immersion Mill Nano Technology Products

The Hockmeyer HCPN Immersion Mill is the cutting edge in nanoparticle production. The revolutionary machine makes the science of nanoparticle manipulation user friendly, clearing the path to new product development. Hockmeyer's patented media containment wall ensures the retention of very small media.

How to disperse and stabilize pigments

2009-11-12  where h is the depth (or height) of penetration during the time t, is the surface tension of the wetting liquid, its viscosity, the wetting angle, r mean radius of capillaries, C structural coefficient, associated with parameters of the porous structure, W energy (heat) of wetting.. The wetting step of dispersing processes can be intensified by the use of wetting agents and/or