130 results about "Particle composition" patented technology

The disclosure relates to a particulate composition comprising ensifentrine, wherein the particulate composition further comprises: from greater than 0.00 wt % to 0.60 wt % of 1,3-bis(2-(2-(mesitylimino)-9,10-dimethoxy-4-oxo-6,7-dihydro-2H-pyrimido [6,1-a]isoquinolin-3(4H)-yl)ethyl)urea (BMIQU) relative to the total weight of ensifentrine; and from 0.00 wt % to 0.50 wt % of a biuret impurity of formula (A) relative to the total weight of ensifentrine. Further disclosed herein are liquid pharmaceutical compositions comprising the particulate composition, and a process for producing the particulate composition are also described.

The disclosure relates to a particulate composition comprising ensifentrine, wherein the particulate composition further comprises: from greater than 0.00 wt % to 0.60 wt % of 1,3-bis(2-(2-(mesitylimino)-9,10-dimethoxy-4-oxo-6,7-dihydro-2H-pyrimido[6,1-a]isoquinolin-3(4H)-yl)ethyl)urea (BMIQU) relative to the total weight of ensifentrine; and from 0.00 wt % to 0.50 wt % of a biuret impurity of formula (A) relative to the total weight of ensifentrine. Further disclosed herein are liquid pharmaceutical compositions comprising the particulate composition, and a process for producing the particulate composition are also described.

The invention relates to a particulate composition comprising ensifentrine, wherein the particulate composition further comprises: from greater than 0.00 wt% to 0.60 wt% of 1,3-bis(2-(2-(mesitylimino)-9, 10-dimethoxy-4-oxo-6,7-dihydro-2H- pyrimido[6,1-a]isoquinolin-3(4H)-yl)ethyl)urea (BMIQU) relative to the total weight of ensifentrine; and from 0.00 wt% to 0.50 wt% of a biuret impurity of formula (A) relative to the total weight of ensifentrine. A liquid pharmaceutical composition comprising the particulate composition, and a process for producing the particulate composition are also described.

The utility model relates to a mineral powder production system which comprises a first raw material bin and a second raw material bin, the first raw material bin is connected with a raw material weighing feeder, the discharging end of the raw material weighing feeder is connected with a chute, and the chute is connected with a grinding machine; the second raw material bin is connected with a crusher, the crusher is connected with a powder concentrator, a coarse powder bin and a fine powder bin are arranged at the downstream of the powder concentrator, powder in the fine powder bin is stirred by adding water through a first kneading machine, and superfine powder is obtained after stirring and fine grinding; the powder in the coarse powder bin is mixed and stirred with the superfine powder through the second kneading machine, and the mixed powder obtained after mixing and stirring is conveyed to the chute, mixed with the raw material powder and then introduced into the grinding machine. The particle composition state of the powder can be improved, the particle size distribution of the powder is obviously changed, the peak width on a particle size distribution diagram is widened, the peak height on the particle size distribution diagram is reduced, the level difference is increased, and higher bulk density is achieved.

The disclosure relates to a particulate composition comprising ensifentrine, wherein the particulate composition further comprises: from greater than 0.00 wt % to 0.60 wt % of 1,3-bis(2-(2-(mesitylimino)-9,10-dimethoxy-4-oxo-6,7-dihydro-2H-pyrimido[6, 1-a]isoquinolin-3(4H)-yl)ethyl)urea (BMIQU) relative to the total weight of ensifentrine; and from 0.00 wt % to 0.50 wt % of a biuret impurity of formula (A) relative to the total weight of ensifentrine. Further disclosed herein are liquid pharmaceutical compositions comprising the particulate composition, and a process 10 for producing the particulate composition are also described.

Compositions of particles having at least 95% by weight of cisplatin and a specific surface area (SSA) of at least 3.5 m2 / g. methods for their use. and methods for their production are provided.

Compositions, systems, and methods are provided for detecting target particles, such as target actinide particles. The composition includes 2‑(5‑Bromo‑2‑pyridylazo)‑5‑(diethylamino)phenol (Br‑PADAP), 1‑(2‑Pyridylazo)‑2‑naphthol (PAN), and iron in effective amounts such that on a condition that the composition is in contact with the target actinide particle, a colorimetric output is produced.

What is provided is a method for producing a composite-particle composition including a first step of obtaining a dispersion liquid of fine fibers; a second step of coating a surface of liquid droplets of a polymerizable monomer or a polymer with the fine fibers in the dispersion liquid to stabilize the liquid droplets as an emulsion; a third step of polymerizing the liquid droplets of the polymerizable monomer or the polymer to obtain composite particles including the polymer coated with the fine fibers; and a fourth step of adsorbing a compound that forms an ionic bond in a pair with an ionic functional group of the fine fibers onto the fine fibers in the surface of the composite particles.

The present invention relates to a feedstock composition comprising inorganic particles having a multi-modal particle size distribution and comprising: an irregular set of fine particles having a fine particle size distribution and an average fine particle diameter; and an irregular set of coarse particles having a coarse particle size distribution and an average coarse particle diameter in a range from 4 to 7 times the average fine particle diameter. The feedstock composition further includes a binder composition adapted to solidify to form a body including the inorganic particles and the solidified binder composition. In addition, the present composition provides a method of forming a molded body including inorganic particles dispersed in the binder composition and a method of forming a low porosity inorganic sintered body.

The present invention is entitled "Particulate compositions containing metal precursors for additive manufacturing and related methods thereof". Additive manufacturing processes, such as powder bed fusion of thermoplastic particles, can be used to form printed objects of a range of shapes. Sometimes it is desirable to form conductive traces on the surface of the printed object. Conductive traces and similar features can be introduced during the additive manufacturing process by incorporating a metal precursor into a thermoplastic printing composition, converting a portion of the metal precursor into discontinuous metal islands using laser irradiation, and performing electroless plating. A suitable printing composition can include a plurality of thermoplastic particles, the plurality of thermoplastic particles comprising a thermoplastic polymer, a metal precursor blended with the thermoplastic polymer, and optionally a plurality of nanoparticles disposed on the outer surface of each thermoplastic particle in the thermoplastic particles, wherein the metal precursor is capable of being activated to form metal islands when exposed to laser irradiation. Melt emulsification can be used to form the thermoplastic particles.

The invention provides a dry particle composition, an anti-skid and anti-fouling glazed ceramic tile and a preparation method of the anti-skid and anti-fouling glazed ceramic tile, and belongs to the technical field of ceramics. The dry granules A and the dry granules B with specific chemical component formula and specific particle size distribution are compounded, and the weight ratio of the dry granules A and the dry granules B is limited in a suitable range, so that the concave-convex three-dimensional structure formed on the ceramic surface is more suitable in fluctuation height difference, lower in roughness, better in skid resistance and antifouling property, and finer and smoother in hand feeling; the binding force with a ceramic glaze surface is stronger, and meanwhile, the obtained ceramic has better wear resistance.

The invention relates to a preparation method of a superfine early-strength mineral admixture based on solid waste reutilization, and belongs to the technical field of solid waste reutilization. The admixture is prepared by the following steps: performing multi-stage ultrafine grinding on mineral slag, steel slag, raw fly ash and manganese slag to prepare solid waste powder, and adding composite excitants Na2SiO3, AlCl3. 6H2O, citric acid, CaCl2. 2H2O and a UEA expanding agent, and dispersing agents polycarboxylate superplasticizer and nano SiO2. The high-activity early strength, low-shrinkage crack resistance and high solid waste utilization rate of the admixture are realized through solid waste synergistic activation, multi-stage grinding particle composition optimization and excitation-dispersion synergistic effect.

The present invention provides a paste-like silver particle composition that suppresses the deterioration of adhesive performance due to changes over time after the preparation of the silver particle composition. [Solution] The paste-like silver particle composition comprises first silver particles with an average particle size of 2 to 5 μm and coated with an organic substance having polar groups, second silver particles with an average particle size of 0.5 to 1 μm and coated with an organic substance having polar groups, third silver particles with an average particle size of 50 nm to 300 nm and coated with an organic substance having polar groups, a volatile dispersion medium, a diamine compound, and a fatty acid having 6 to 10 carbon atoms, wherein the diamine compound is present in an amount of 0.5 to 5% by weight of the total weight, and the fatty acid is present in an amount of 0.5 to 2% by weight of the total weight.

Compositions, systems, and methods are provided for detecting target particles, such as target actinide particles. The composition includes 2‑(5‑Bromo‑2‑pyridylazo)‑5‑(diethylamino)phenol (Br‑PADAP), 1‑(2‑Pyridylazo)‑2‑naphthol (PAN), and iron in effective amounts such that on a condition that the composition is in contact with the target actinide particle, a colorimetric output is produced.

STAR particles and compositions thereof, the STAR particles each having a core structure and one or more microneedle protrusions extending from the core structure. The STAR particle composition comprises: a plurality of STAR particles, the plurality of STAR particles being configured for mechanical disruption of biological tissue; and a vehicle in which the plurality of STAR particles are dispersed, where the composition is adapted to contact a surface of a biological tissue in such a manner that the STAR particles mechanically disrupt the biological tissue, and subsequently attenuate the ability of the STAR particles to mechanically disrupt the biological tissue by one or more inactivation mechanisms.

A product comprises a granular composition of gel particles, particularly micro-gel particles. Said composition comprises a carbohydrate matrix (lattice / network) between cells that contain said gel particles. A method of manufacturing such product that comprises a granular composition of gel particles, particularly micro-gel particles, involves forming an aqueous slurry comprising said gel particles and a water soluble carbohydrate compound. Said slurry is shaped into said product and said shaped slurry is solidified.

The application belongs to the technical field of space plasma environment detection, and particularly relates to a device and method for measuring particle composition and incident direction, which comprises: a detection unit array, which is respectively provided with a plurality of independent charge input channels in an inner circumferential direction and an outer circumferential direction; each charge output channel is used for outputting different initial charge pulse signals in the inner circumferential direction and different terminal charge pulse signals in the outer circumferential direction after a space charged particle is incident at an incident angle, and delay and amplification are performed respectively; and a back-end circuit analysis processing module, which is used for obtaining actual time of flight and actual incident azimuth angle time of the charged particle according to different initial pulse signals and terminal pulse signals collected for each charge output channel, obtaining the composition of the charged particle according to the obtained actual time of flight of the charged particle, and obtaining the actual incident azimuth angle of the charged particle according to the actual incident azimuth angle time.

A method of forming a three-dimensional object comprises the steps of forming a layer of a particulate composition, selectively depositing a liquid composition onto the layer of the particulate composition in accordance with computer data corresponding to the shape of at least a portion of a three-dimensional object, and repeating the steps a plurality of times to form a three-dimensional object. The particulate composition comprises a plurality of first particles that comprise a resin component comprising a first resin, the first resin comprising a first resin polymerizable group. Either or both of the particulate composition and the liquid composition comprise an initiator capable of initiating polymerization of at least the first resin. At least the first resin undergoes melting and polymerization in a plurality of the locations where the liquid composition has been selectively deposited.

The invention relates to the technical field of screening devices, and discloses a soil particle composition automatic screening device which comprises a bearing support and a screening charging barrel, a vibration reduction buffer part is arranged at the bottom of the inner side of the bearing support, and an annular bearing seat for bearing and fixing the screening charging barrel is arranged at the top of the vibration reduction buffer part. The vibration motor is operated to drive the screening material barrel to perform vibration screening, the driving motor can drive the rotary scraping piece to rotate, soil particles at the top of the particle screening net are stirred and scraped, blockage and residues in screening holes are not likely to occur, vibration and stirring are both considered, the rubber type shockproof barrel plays a vibration isolation role, and the rotary scraping piece is not likely to be damaged; screening holes of the particle screening nets are sequentially reduced from top to bottom, graded screening and discharging can be conducted in sequence, the soil discharging effect is excellent, the device can conduct graded screening and discharging according to the soil particle size, the vibration protection effect is good, vibration screening and stirring screening are both considered, the screening efficiency is high, and the screening quality is excellent.

Provided herein are compositions comprising a solid particle or pellet comprising a phosphorylcholine-phagostimulant peptide conjugate, including a salt thereof, and an ester-terminated poly (glycolide-co-lactide) wherein the phosphorylcholine-phagostimulant peptide conjugate is an amorphous solid; characterized by any one of: (i) an average particle size of less than 30 [mu] m as determined by SEM; (ii) the powder XRD lacks a corresponding peak having a net intensity peak height above about 30 counts. In addition, methods of treating an ocular disease or disorder in a subject by administering a therapeutically effective amount of a composition of the invention into the eye of the subject are also provided.

Compositions that include benefit agent delivery particles, the particles having a core and a shell encapsulating the core, the shell including certain acrylate-based polymers. Processes for making and using such compositions.

The invention relates to the field of ceramic materials, and discloses a mold, a silicon nitride ball valve element and a preparation method and application of the silicon nitride ball valve element, the mold with the shape of the ball valve element is defined by a base, a top base, a side mold and a core mold, and a better forming effect can be achieved. The silicon nitride powder, the sintering aid, tungsten carbide and the binder are mixed and put into a mold to be formed, degummed and sintered, and the silicon nitride ceramic ball valve element is obtained. By adding tungsten carbide, the uniformity of silicon nitride crystal grains is improved, the adhesive is beneficial to uniform distribution of ceramic slurry particles, particle sedimentation and aggregation are prevented, the particle composition of the spheroidized mixed granulation powder is optimized, manual errors are avoided by adopting the mold, and in conclusion, the production efficiency is greatly improved. By the adoption of the preparation method, the problem of eccentricity of the valve element is effectively avoided, the production efficiency, cost control and product quality stability are obviously improved, the qualified rate of products is increased, and the preparation method is suitable for large-scale production.

A composition having high dispersibility of a magnetic particle to have storage stability and a heat transport device using the composition. The composition contains a particle and an aqueous medium including water. The particle contains a magnetic particle and a dispersant including polyacrylic acid or a salt thereof.

Apparatuses, systems, materials, and methods for preparing and processing polyethylene ("PE") resin for preparing particle-filled composites and articles, for example, for use in energy storage and / or conversion, carbon capture, and chemical filtration / separation are described herein. According to some embodiments, a method of manufacturing an article includes drying a resin including a reaction solvent and ultra-high molecular weight polyethylene (UHMWPE) particles having a molecular weight of at least about 2,000,000 g / mol and a melt enthalpy of at least 190 J / g, shearing filler particles and the UHMWPE particles to form a blended particle composition, and forming the blended particle composition into an article. In some embodiments, the filler particles are durably enmeshed within fibrils formed by the UHMWPE particles, and the article contains at least 80% by weight of the filler particles.

The present disclosure provides: particles with which a fluororesin can be finely dispersed in a matrix resin; a composition; a molded body; and a low-dielectric material. The present disclosure relates to particles containing: a fluororesin; a compound (I) that has a plurality of groups (A) and is represented by formula (I); and a compound (II) that is capable of reacting with the compound (I) (In the formula, R1 and R2 are the same or different, are each hydrogen or an organic group, and may bond to each other to form a ring structure; and the double line represented by a solid line and a broken line represents a single bond or a double bond.).

Compositions, articles, and methods involving pressure-sensitive adhesives comprising polymer-grafted particles are generally described.

The present invention relates to a particulate composition comprising ensafetine wherein the particulate composition further comprises: from more than 0.00% to 0.60% by weight of 1, 3-bis (2-(2-(mesitylene imino)-9, 10-dimethoxy-4-oxo-6, 7-dihydro-2H-pyrimido [6, 1-a] isoquinolin-3 (4H)-yl) ethyl) urea (BMIQU), relative to the total weight of ensafetine, and a particulate composition comprising: from more than 0.00% to 0.60% by weight of 1, 3-bis (2-(2-(mesitylene imino)-9, 10-dimethoxy-4-oxo-6, 7-dihydro-2H-pyrimido [6, 1-a] isoquinolin-3 (4H)-yl) ethyl) urea And 0.00% to 0.50% by weight of a biuret impurity of formula (A) with respect to the total weight of ensefin. Also described are liquid pharmaceutical compositions comprising the particulate compositions, as well as methods for producing the particulate compositions.

A particle composition for back coating the surface of a quantum dot film, the particle composition comprising a thermosetting resin, organic or inorganic particles, and a curing agent. Quantum dot films with the particle coating composition can effectively improve color shift at large viewing angles and exhibit better brightness in displays.