US5518187A - Method of grinding pharmaceutical - Google Patents
Method of grinding pharmaceutical substances Download PDF Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles The particles are prepared by dispersing a drug substance or contrast agent in a
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MANUFACTURING OF IRON OXIDE NANOPARTICLES - Core
milling in a planetary ball mill with the aim of reducing the particle size. and patenting nano-enabled solutions, followed by the United Kingdom and France. but it enables us to watch whether the particles are dispersed or agglomerated.
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De-agglomeration and Dispersion of Nano-TiO2 -
to short grinding time to reach the limiting fineness, low specific energy input, and small Keywords Nano-TiO2 powder, grinding, ultrasonic dispersion, suspension, stirred bead [12] Liu, F.C.; Han, H.E., and Ke, W. (2003) Chinese patent.
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Sample report - Filter (14041 patents) - PatentInspiration
The field of invention is related to a method of producing nanoparticles of less are the main cause of long time grinding and wide size distribution of product
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Polyisobutenyl containing dispersions and uses thereof - Patent
6 Aug 2008 Polyisobutenyl containing dispersions and uses thereof - Patent 1953196. There is a need in this art for stable dispersions of nanoparticles and/or mm zirconia beads grinding media in a soniion bath for 6 hrs at 65C.
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HCPN Immersion Mill – Nano Technology | Products | Hockmeyer
Patented high-performance hub · Utilizes ultra fine grinding beads below . · Process times up to 6X faster than conventional mills · Less media needed means
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(PDF) Recent Progress in Nanoparticle Dispersion Using Bead Mill
30 Sep 2020 PDF | There is great demand for nanoparticles (NPs) dispersed in liquid phases for practical appliions of mum milling time for each dispersion with each bead size review papers, 50 books/chapters, and 70 patents.
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Patenting Nanotechnology - jstor
nanotechnology patents have been issued to universities, which have become far more active in metal in that can and grind it down into a powder of 20-30 nm particles, it will spontaneously 1998) (claiming a nanoparticle coating for a drug delivery system). 1 1 . The dispersion of overlapping patents ac also create an
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US3412044A - Google Patents
In the manufacture of magnetic recording media wherein a dispersion of output and nonuniform response characteristics necessitating the long grinding time.
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US5145684A - Surface modified drug nanoparticles - Google Patents
A dispersion of Steroid A was prepared using a ball milling process with zirconium oxide grinding beads. The dispersion was prepared in the absence of a surface
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EP0431255A1 - Dispersing and grinding apparatus - Google Patents
A dispersing and grinding apparatus comprising a vessel (1) which has an inlet of the grinding medium, disposed on the outer periphery of the rotor (U.S. Patent attaining sharp particle size distribution to improve the dispersion efficiency.
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Lipid-based nanocarriers for drug delivery and targeting: a patent
22 Aug 2013 The process of the invention described in patent [124]. The lipid nanoparticles thus exist in the form of aqueous dispersion inside soniion, grinding, milling or atomization until the milky suspension (lipid particles) forms.
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Production of nanoparticles with high repetition rate - google.mk
Production of nanoparticles with high repetition rate ultrashort pulsed laser ablation processes starting from solid material, e.g. by crushing, grinding or milling Info: Patent citations (48); Non-patent citations (10); Cited by (66); Legal 2002 Laser ablation method: use of surfactants to form the dispersed Ag nanoparticles.
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Patent US20040251331 - Method of producing fine solid particles
16 Dec 2004 A method of using polymeric grinding media to produce fine solid particles However, fine particles and fine particle dispersions made in such
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Patent WO2014137877A1 - Dry pharmaceutical compositions
12 Sep 2014 pharmaceutically active agent nanoparticles, a binder, and a The pharmaceutical composition of claim 7, wherein the milling aid with the carrier particles or are dispersed in the granulation liquid (e.g., with the binder).
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US2212641A - Process for dispersing pigments - Google Patents
US2212641A - Process for dispersing pigments - Google Patents 0.000 description 8; 238000000227 grinding Methods 0.000 description 7; 239000006185 dispersions TW527404B (en), 2003-04-11, Lamellar pigment particle dispersion.
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WO2007004014A2 - Semiconducting nanoparticles with surface
The nanoparticles of the invention comprise a single element or a compound of Info: Patent citations (8); Non-patent citations (2); Cited by (15); Legal events as defined above, and a solid matrix in which the nanoparticles are dispersed. using 15mm diameter yttrium stabilized ziroconia grinding media (supplied by
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Ultra-high shear mixing of nanoparticles - ROSS Mixers
Rotor/stator mixers are commonly used for solids dispersion and particle size reduction due to rotor/stator mixers and milling equipment fail to achieve the desired level of dispersion equipped with a patented “Delta” rotor/stator assembly.
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(526a) Quiescent and Agitated Redispersion of Griseofulvin - AIChE
6 Nov 2013 Production of nanoparticles leads to an increase in the surface area and thereby Wet stirred media milling has been commonly used as a top down and sinking, swelling, erosion, and dispersion of the nanoparticles. Dissolution of Active Pharmaceutical Agents, U.S. Patent Appliion, Appliion No.
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US20110037030A1 - Google Patents - Google.com.af
Nanoparticles, i.e. solids produced as powder or dispersed in liquid media, the The dispersion or grinding treatment required in the international patent
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EP2421510A1 - Production of encapsulated nanoparticles at
US Patent 6,634,576 discloses examples of wet-milling a solid substrate, such as a pharmaceutically active compound, to produce
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Stabilization and comparison of manufacturing technologies for
1 Jan 2019 [m3 mol-1]. Vch. : Volume of the grinding chamber. [m3]. Vd. : Volume of a single defect. [m3]. Vm. : Molar volume of the dispersed phase. [m3].
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Grinding and Dispersing of Nanoparticles in aqueous suspensions
20 Oct 2010 Dispersion process and kinetics. • For Dispersion processes a reachable end particle size can be determined by a kinetec model. • The model
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Cerium oxide containing nanoparticles - Google Patents
for several hours), grinding, milling and particle size classifiion, among others. Alternatively, direct methods seek to produce a dispersion (suspension) of the
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THE DELIVERY OF NANOPARTICLES
characterization of stable aqueous dispersions of silver nanoparticles through the . Tollens process. Milling techniques were later refined to enable milling of solid drug particles to Preparation of silver halide grains, US Patent 3,655,394.
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Class Definition for Class 977 - NANOTECHNOLOGY
Wavelength of a particle under quantum mechanical conditions wherein the particle acts [List of Patents for class 977 subclass 700] Van der Waals force (aka London or dispersion force) is an induced dipole e.g., pressing or grinding , etc., or thermal means, e.g., heating or curing, etc., to manufacture a nanostructure.
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Using an agitator bead mill for nanoparticle dispersion - Netzsch
It also describes methods of separating the resulting nanoparticles from the grinding media. In recent years, more companies have begun using nanoparticles —
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WO2013132703A1 - Nanoparticle dispersion, nanoparticle-carrying
[Problem] To provide a process for manufacturing a nanoparticle dispersion, said process processes starting from solid material, e.g. by crushing, grinding or milling In view of such problems, Patent Document 1 discloses a platinum colloid
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Patents - Google
B01F3/1242 Mixing, e.g. dispersing, emulsifying, according to the phases to be Patented May 5, 1953 UNITED STATES PATENT OFFICE PROCESS FOR
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EP1932890A3 - Dispersion comprising silver containing - Google
Dispersion comprising silver containing nanoparticles and method processing surfaces. Abstract. translated from. A dispersion
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