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Fluoride patents

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Etchant composition and etching method

Protective coatings for conversion material cathodes

Date/App# patent app List of recent Fluoride-related patents
 Substituted phenylsulfur trifluoride and other like fluorinating agents patent thumbnailSubstituted phenylsulfur trifluoride and other like fluorinating agents
Novel substituted phenylsulfur trifluorides that act as fluorinating agents are disclosed. Also disclosed are methods for their preparation and methods for their use in introducing one or more fluorine atoms into target substrate compounds.
 Method for producing 4, 4-difluoro-3,4-dihydroisoquinoline derivatives patent thumbnailMethod for producing 4, 4-difluoro-3,4-dihydroisoquinoline derivatives
Is reacted with hydrogen fluoride.. .
 Etchant composition and etching method patent thumbnailEtchant composition and etching method
This invention is concerning an etchant composition used to etch a silicon-containing film formed on a target substrate. The etchant composition includes at least one selected from the group consisting of an organic compound containing a hydroxyl group, an organic compound containing a carbonyl group, an inorganic acid and inorganic salt, hydrofluoric acid, ammonium fluoride and an organic acid..
 Protective coatings for conversion material cathodes patent thumbnailProtective coatings for conversion material cathodes
Battery systems using coated conversion materials as the active material in battery cathodes are provided herein. Protective coatings may be an oxide, phosphate, or fluoride, and may be lithiated.
 Metal fluoride electrode protection layer and method of making same patent thumbnailMetal fluoride electrode protection layer and method of making same
Modifications to the surface of an electrode and/or the surfaces of the electrode material can improve battery performance. For example, the modifications can improve the capacity, rate capability and long cycle stability of the electrode and/or may minimize undesirable catalytic effects.
 Phosphor materials and related devices patent thumbnailPhosphor materials and related devices
A phosphor material is presented that includes a blend of a first phosphor, a second phosphor and a third phosphor. The first phosphor includes a composition having a general formula of re2−ym1+ya2−yscysin-wgewo12+δ:ce3+ wherein re is selected from a lanthanide ion or y3+, where m is selected from mg, ca, sr or ba, a is selected from mg or zn and where 0≦y≦2, 2.5≦n≦3.5, 0≦w≦1, and −1.5≦δ≦1.5.
 Treatment of phosphate-containing wastewater with fluorosilicate and phosphate recovery patent thumbnailTreatment of phosphate-containing wastewater with fluorosilicate and phosphate recovery
A method for treating phosphate-containing wastewater, such as phosphogypsum pond water. The method includes the steps of: (a) adding a first cation to the wastewater to precipitate fluorosilicate from the wastewater; (b) adding a second cation to the wastewater to precipitate fluoride from the wastewater; (c) raising the ph of the wastewater to precipitate the second cation from the wastewater; (d) removing residual silica from the wastewater; and (e) precipitating phosphate from the wastewater.
 Separation of r-1233 from hydrogen fluoride patent thumbnailSeparation of r-1233 from hydrogen fluoride
The invention relates to a process for separating monochloro-trifluoropropenes such as hcfc-1233 from azeotrope or azeotrope like combinations with hf. The process employs a cold, liquid phase separations and multiple azeotropic distillation trains..
 Cleaning method, processing apparatus, and storage medium patent thumbnailCleaning method, processing apparatus, and storage medium
Deposits such as particles deposited on a surface of a target object can be easily removed while suppressing damage to the target object such as destruction of pattern formed on the surface of the target object or film roughness on the surface of the target object. In a pre-treatment, vapor of a hydrogen fluoride is supplied to a wafer w to dissolve a natural oxide film 11, so that a deposit 10 attached to a surface of the natural oxide film 11 is slightly separated from a surface of the wafer w.
 Lithium metal doped electrodes for lithium-ion rechargeable chemistry patent thumbnailLithium metal doped electrodes for lithium-ion rechargeable chemistry
An embodiment of the invention combines the superior performance of a polyvinylidene difluoride (pvdf) or polyethyleneoxide (poe) binder, the strong binding force of a styrene-butadiene (sbr) binder, and a source of lithium ions in the form of solid lithium metal powder (slmp) to form an electrode system that has improved performance as compared to pvdf/sbr binder based electrodes. This invention will provide a new way to achieve improved results at a much reduced cost..
Electroblot transfer buffer
A semi-dry, one step electroblot transfer buffer composition for rapid transfer of proteins or polypeptides from polyacrylamide gel to a suitable membrane such as nitrocellulose or polyvinylidene difluoride (pvdf). The composition contains components that minimized electrical resistance and enabled high efficiency rapid semi-dry transfer using conventional readily available filter paper, i.e., cotton cellulose fiber..
Aqueous dispersion and method for producing same
The present invention aims to provide an aqueous dispersion capable of forming a coating film that has excellent adhesion to a substrate and excellent water resistance. The aqueous dispersion of the present invention includes fluorine-containing composite polymer particles of a polymer (a) with a repeating unit of vinylidene fluoride and a polymer (b) with a repeating unit of at least one acrylic monomer selected from the group consisting of acrylic acid, acrylic acid esters, methacrylic acid, and methacrylic acid esters, the dispersion having an acid value of at least 3 mgkoh/g..
Barium copper sulfur fluoride transparent conductive thin films and bulk material
A p-type transparent conductive material can comprise a thin film of bcsf on a substrate where the film has a conductivity of at least 1 s/cm. The substrate may be a plastic substrate, such as a polyethersulfone, polyethylene terephthalate, polyimide, or some other suitable plastic or polymeric substrate..
Enamel protectant and repair toothpaste
Substantially aqueous-free, enamel protectant and enamel repair toothpastes containing: stannous fluoride, calcium and a substantivity agent comprising: an emulsion of polydimethylsiloxane in a nonionic surfactant, wherein: (a) substantivity of said stannous fluoride and calcium into biofilm present on enamel is enhanced through calcium binding shifting from bidentate to monodentate in the presence of stannous fluoride; and (b) said toothpastes indicate substantially improved, enamel protectant factor (epf) and enamel repair factor (erf) values compared to fluoride brushing treatments with comparable or higher fluoride levels.. .
Systems and methods for monitoring cutting forces in peripheral end milling
Systems and methods for monitoring cutting forces in a peripheral end milling process are disclosed. The systems and methods comprise a sensor module that integrates a thin-film polyvinylidene fluoride (pvdf) piezoelectric strain sensor and an in situ data logging platform for monitoring such cutting forces.
Cathode composition for primary battery
In some examples, a primary battery comprising a cathode comprising at least one active material and at least one of a metal oxide and metal fluoride, wherein the active material exhibits a first discharge capacity and the at least one of metal oxide and metal fluoride exhibits a second discharge capacity at a voltage lower than the first discharge capacity; an anode comprising a metal as an electron source; and an electrolyte between the cathode and anode. The metal reacts with the electrolyte below a third discharge capacity at a voltage lower than the second discharge capacity to form a gas, where the metal reacts with the active material at the first discharge capacity, and, following the consumption of the active material of the cathode, the metal reacts with the at least one of metal oxide and metal fluoride of the cathode prior to reacting with the electrolyte below the third discharge capacity..
Optical element
At least two further layers each comprising an inorganic fluoride compound or an inorganic oxide-containing compound are arranged alternately between the first and the most distant layers.. .
Deposit removal method
One embodiment of the deposit removal method includes: preparing a substrate having a pattern on which a deposit is deposited, the pattern being formed by etching; exposing the substrate to a first atmosphere containing hydrogen fluoride gas; exposing the substrate to oxygen plasma while heating after the step of exposing the substrate to the first atmosphere; and exposing the substrate to a second atmosphere containing hydrogen fluoride gas to remove the deposit on the substrate after the step of exposing the substrate to the oxygen plasma.. .
Method for low temperature bonding and bonded structure
A method for bonding at low or room temperature includes steps of surface cleaning and activation by cleaning or etching. The method may also include removing by-products of interface polymerization to prevent a reverse polymerization reaction to allow room temperature chemical bonding of materials such as silicon, silicon nitride and sio2.
Etchant product analysis in alkaline etchant solutions
Silicon ions in an alkaline etchant solution are analyzed by acidifying a sample of the etchant solution, adding fluoride ions in excess of the concentration required to react with all of the silicon ions, and using a fluoride ion specific electrode (fise) to detect free fluoride ions in the resulting test solution. Good sensitivity and precision are provided by using a relatively acidic test solution and only a slight excess of fluoride ions, and limiting the analysis range to the maximum expected silicon concentration in the etchant solution..
Multi-layered fuel tubing
The invention describes a flexible tubular article for transport of volatile hydrocarbons comprising: (a) an inner layer of a polyvinylidene difluoride (pvdf) polymer or a polyvinylidene difluoride copolymer; (b) an intermediate thermoplastic polyurethane (tpu) layer extruded in tubular form over the inner pvdf layer, and (c) a polyvinyl chloride polymer extruded in tubular form over the outside surface of the intermediate layer and being coextensive therewith. The tubular articles of the invention have a maximum permeation rating of 15 g/m2/day under sae j1737 test conditions..
Method for low temperature bonding and bonded structure
A method for bonding at low or room temperature includes steps of surface cleaning and activation by cleaning or etching. The method may also include removing by-products of interface polymerization to prevent a reverse polymerization reaction to allow room temperature chemical bonding of materials such as silicon, silicon nitride and sio2.
Pvdf pyrolyzate adsorbent and gas storage and dispensing system utilizing same
A polyvinylidene fluoride (pvdf) pyrolyzate adsorbent is described, having utility for storing gases in an adsorbed state, and from which adsorbed gas may be desorbed to supply same for use. The pvdf pyrolyzate adsorbent can be of monolithic unitary form, or in a bead, powder, film, particulate or other finely divided form.
System and method for tungsten hexafluoride recovery and reuse
Condensable materials, such as but not limited to tungsten fluoride (wf6), can be used deposit films in a chemical vapor deposition (cvd) process. Described herein are methods to collect and reuse the condensable materials that are unreacted in the production process rather than treat these materials as waste.
Method for purifying chlorinated hydrocarbon
The present invention provides a method for purifying chlorinated hydrocarbon(s), comprising cooling a mixture containing hydrogen fluoride and at least one chlorinated hydrocarbon selected from the group consisting of 2-chloro-3,3,3-trifluoropropene, 2,3-dichloro-3,3-difluoropropene, 1,2,3-trichloro-1,1-difluoropropane, and 1,1,1,2,3-pentachloropropane to cause liquid-liquid separation of the mixture into an upper liquid phase having a high hydrogen fluoride concentration and a lower liquid phase having a high chlorinated hydrocarbon concentration, and a method for purifying a chlorinated hydrocarbon, comprising subjecting the lower liquid phase obtained by the liquid-liquid separation to a distillation operation. According to the present invention, a chlorinated hydrocarbon can be purified by separating and removing hydrogen fluoride from a chlorinated hydrocarbon-hydrogen fluoride mixture under simple and economically advantageous conditions..
Directional sio2 etch using plasma pre-treatment and high-temperature etchant deposition
Methods for processing a substrate are described herein. Methods can include positioning a substrate with an exposed surface comprising a silicon oxide layer in a processing chamber, biasing the substrate, treating the substrate to roughen a portion of the silicon oxide layer, heating the substrate to a first temperature, exposing the exposed surface of the substrate to a plasma comprising ammonium fluoride to form one or more volatile products while maintaining the first temperature, and heating the substrate to a second temperature, which is higher than the first temperature, to sublimate the volatile products..
Method for modifying probe tip
A method for modifying the probe tip of a microscope, including the following steps of providing a substrate, providing a metal precursor solution with fluoride ion on the substrate, using the probe tip to dip into the metal precursor solution with fluoride ion on the substrate in order to form a nano-metal particle on the probe tip by the reduction reaction of at least one metal ion in the metal precursor solution. As the result, the probe tip having the nano-metal particle thereon can increase the spatial-resolution of the measuring performance of the field sensitive scanning probe microscope due to the great reduction of stray field effects..
Bioactive glass composition, its applications and respective preparation methods
The present invention relates to development of bioactive glass/glass-ceramic composition that are able to promote a fast deposition layer of carbonated hydroxyapatite upon immersion in simulated body fluid (sbf) for time periods as short as one hour. Such composition might include fluorides, and a variety of oxides (or their precursor compounds), such as na2o—ag2o—sro—cao—mgo—zno—p2o5—sio2—bi2o3—b2o3—caf2, be prepared by the melt route or by the sol-gel process, with the specific composition and the preparation route selected according to the intended functionalities, which can present controlled biodegradation rate and bactericidal activity.
Method for inhibiting protease in biological sample containing pancreatic juice components
This method for inhibiting protease in a biological sample containing pancreatic juice components inhibits protease enzyme activity in the biological sample by adding at least one type of protease inhibitor having a sulfonyl fluoride group to the biological sample containing pancreatic juice components. In addition, this protease inhibitor for a biological sample containing pancreatic juice components is a compound having a sulfonyl fluoride group, has protease inhibitory activity, and is added to a biological sample containing pancreatic juice components in order to inhibit protease present in the biological sample.
Carbon fluoride cathodes and batteries made therefrom
Electrochemical cells containing a stoichiometric capacity ratio of carbon-treated carbon monofluoride to carbon monofluoride being greater than 1:1 provide electrochemical cells having a tunable end-of-service indication.. .
Iron oxyfluoride electrodes for electrochemical energy storage
The present invention provides electrochemical energy storage systems comprising metallolyte composites, iron fluoride composites and iron oxyfluoride composites. The present invention further provides methods for fabricating metallolyte composites..
Synthesis of 2,3,3,3-tetrafluoropropene/vinylidene fluoride copolymers
In accordance with the present invention, aqueous emulsion polymerization processes of synthesizing 2,3,3,3-tetrafluoropropene/vinylidene fluoride copolymers having 2,3,3,3-tetrafluoropropene as the major monomer unit are provided.. .
High productivity combinatorial techniques for titanium nitride etching
Provided are methods of high productivity combinatorial testing of semiconductor substrates, each including multiple site isolated regions. Each site isolated region includes a titanium nitride structure as well as a hafnium oxide structure and/or a polysilicon structure.
Lithium/graphite fluoride primary battery and method for its manufacturing
A lithium/graphite fluoride primary battery prepared by a process which includes providing a graphite fluoride powder, mechanically milling the graphite fluoride powder so as to obtain an active material, providing a mixture comprising the active material and an electrically conductive carbon so as to form a part of a positive electrode, providing a body comprising lithium as a part of a negative electrode, and forming an electrochemical cell with the positive electrode and the negative electrode.. .
Filaments and fibers and method for making filaments and fibers
A fiber is disclosed having a central axis or spline and a major outer surface, the fiber made of a base material and poly(vinylidene fluoride), the proportion of base material to poly(vinylidene fluoride) being greater towards the central axis or spline of the fiber than at the major outer surface of the fiber. The base material may be selected from the group consisting of polyethylene, polypropylene and nylon.
Polyvinylidene fluoride resin expanded beads, method for producing polyvinylidene fluoride resin expanded beads, and molded articles of polyvinylidene fluoride resin expanded beads
There is provided polyvinylidene fluoride resin expanded beads which have a high expansion ratio, do not shrink easily, and are capable of obtaining a molded article of the expanded beads that is excellent in mold reproducibility and dimensional stability. The polyvinylidene fluoride resin expanded beads include a polyvinylidene fluoride resin as a base resin, in which a flexural modulus of the polyvinylidene fluoride resin is 450 mpa or more, a melt flow rate (mfr) of the polyvinylidene fluoride resin is 1 g/10 min or more at 230° c.
Method for producing anode for lithium secondary battery and anode composition, and lithium secondary battery
The invention relates to an anode for lithium secondary battery comprising vapor grown carbon fiber uniformly dispersed without forming an agglomerate of 10 μm or larger in an anode active material using natural graphite or artificial graphite, which anode is excellent in long cycle life and large current characteristics. Composition used for production for the anode can be produced, for example, by mixing a thickening agent solution containing an anode active material, a thickening agent aqueous solution and styrene butadiene rubber as binder with a composition containing carbon fiber dispersed in a thickening agent with a predetermined viscosity or by mixing an anode active material with vapor grown carbon fiber in dry state and then adding polyvinylidene difluoride thereto..
Negative electrode material for lithium ion batteries containing surface-fluorinated b-type titanium oxide powder, method for producing same, and lithium ion battery using same
A problem to be solved is to enhance the charge and discharge characteristics and rate characteristics of a b-type titanium oxide (tio2(b)) powder by a simple treatment and to provide a b-type titanium oxide powder that can be suitably used as a negative electrode material for a lithium ion battery. A b-type titanium oxide powder is allowed to undergo a reaction under a fluorine-containing gas atmosphere at 0° c.
Method of manufacturing an nd based sintered magnet
A sintered nd base magnet segment has a coercive force high at the periphery and lower toward the inside. A method for preparing the magnet includes the steps of: (a) providing a sintered nd base magnet block having surfaces and a magnetization direction, (b) coating the surfaces of the magnet block excluding the surface perpendicular to the magnetization direction with a dy or tb oxide powder, a dy or tb fluoride powder, or a dy or tb-containing alloy powder, (c) treating the coated block at a high temperature for causing dy or tb to diffuse into the block, and (d) cutting the block in a plane perpendicular to the magnetization direction into a magnet segment having a coercive force distribution on the cut section that the coercive force is high at the periphery and lower toward the inside and a constant coercive force distribution in the magnetization direction..
Method for manufacturing carbon dioxide separation membrane, and carbon dioxide separation membrane
The present invention provides a carbon dioxide separation membrane having a grafted chain into which a substituent having high selective affinity for carbon dioxide is introduced and thus having high carbon dioxide separation capability. The present invention is a method for producing a carbon dioxide separation membrane.
Synthesis and use of molecular sieve itq-32
The present invention relates to molecular sieves having the structure of itq-32 is synthesized from a reaction mixture substantially free of fluoride ions and comprising 4,4-dimethyl, 1-cyclohexyl-piperazinium cations in its pore structure, as well as methods of making such molecular sieves and methods of using them.. .
Poly(aryletherketone)s and process for making them
Poly(aryletherketone)s comprising fluoride end groups having improved melt stability, lower gel content and lower color are provided.. .
Fluororubber composition
Provided is a fluororubber composition which does not deteriorate workability during roll kneading, does not cause foaming during crosslinking and molding, and is capable of giving a crosslinked molded article which exhibits desired hardness and sealing property without using a reinforcing inorganic filler such as carbon black and silica. The fluororubber composition includes, relative to 100 parts by weight of a vinylidene fluoride-copolymerized, fluorine-containing elastomer copolymer having a glass transition temperature and a melting point, no reinforcing inorganic filler, 5 to 100 parts by weight of a ptfe filler, 0.5 to 10 parts by weight of a polyol crosslinking agent, 1 to 15 parts by weight of magnesium oxide, and 0.1 to 2 parts by weight of hydrotalcite.
Fluoride varnish
A tooth varnish that is free from pinus extracts, free of substantial undesired coloring agents, with a reduced viscosity, delivered in a user-friendly, flow-through, unit dose applicator and having improved fluoride release, uptake, and remineralization properties.. .
Method for producing lithium tetrafluoroborate solution
Disclosed is a production method of a lithium tetrafluoroborate solution for use as a lithium battery electrolytic solution, including: a reaction step of forming lithium tetrafluoroborate by reaction of lithium fluoride and boron trifluoride in a chain carbonate ester solvent and thereby obtaining a reaction solution of the lithium tetrafluoroborate dissolved in the chain carbonate ester solvent; a water removal step of adding a water removing agent to the reaction solution; an acidic impurity removal step of removing an acidic impurity component from the reaction solution by concentrating the reaction solution after the water removal step; and a dilution step of diluting the concentrated solution after the acidic impurity removal step. It is possible by this method to obtain the lithium tetrafluoroborate solution whose acidic impurity content and water content are reduced to be 50 mass ppm or lower and 15 mass ppm or lower, respectively..
Cathode active material, method for preparing the same, and lithium secondary batteries including the same
The present invention relates to a cathode active material for a lithium secondary battery, a method for preparing the same, and a lithium secondary battery including the same, and provides a cathode active material including: a lithium manganese-excess layered structure composite oxide represented by formula li[lix-z(niacobmnc)1-x]o2-yfy (here, a+b+c=1, 0.05≦x≦0.33, 0≦y≦0.08, and 0<z≦0.05); a metal fluoride coating layer coated on a surface of the composite oxide; and a metal phosphate coating layer coated on the metal fluoride coating layer.. .
Nanoparticle dental composition and method of making
Disclosed are compositions and methods for reducing dentin hypersensitivity. Also disclosed are compositions containing calcium fluoride nanoparticles..
Oral composition
This invention relates to oral composition. The oral composition comprises whitlockite.
Process for recovery of fluoride from wastewater produced in crystalline silicon solar cell manufacturing
A method for processing fluoride-containing wastewaters from a factory, which includes the following steps: step 1: collecting the fluoride-containing wastewaters into three pools: an acidic high-fluoride wastewater, an acidic low-fluoride wastewater, and an alkaline wastewater; step 2: adding a calcium compound to the acidic low-fluoride wastewater to produce a calcium-containing solution; step 3: reacting a portion of the calcium-containing solution with the acidic high-fluoride wastewater at a calcium-to-fluoride molar ratio of from about 0.5:1 to about 1.5:1 to produce a mixture comprising calcium fluoride particles suspended in a mother liquor; step 4: separately collecting the calcium fluoride particles and the mother liquor; step 5: diluting the mother liquor with a diluent to produce a mixed solution; and step 6: introducing the mixed solution, the calcium-containing solution, and the alkaline wastewater into a fluidized bed reactor, which contains a calcium fluoride crystallization seed material, to form calcium fluoride crystals.. .
Supported catalyst for removing nitrogen oxides, method of preparing the same, and removing method of nitrogen oxides using the same
A supported catalyst for reduction reaction of nitrogen oxides includes a support and an silver (ag)-based compound and aluminum fluoride which are immobilized in the support. A method for preparing the supported catalyst for reduction reaction of nitrogen oxides includes an impregnation step wherein aluminum fluoride, a hydrate or a salt thereof, and a silver (ag)-based compound or a hydrate thereof are reacted with a support and a step of calcining the support.
Multilayer polyvinylidene films structures
The invention relates to a multi-layer weatherable film structure having an outer layer of a highly weatherable film, a layer having a high thermal deformation temperature, an optional tie layer, and a thin layer of polyolefin or polyamide. The highly weatherable film layer preferably is polyvinylidene fluoride.
Method of epitaxial germanium tin alloy surface preparation
Methods of preparing a clean surface of germanium tin or silicon germanium tin layers for subsequent deposition are provided. An overlayer of ge, doped ge, another gesn or sigesn layer, a doped gesn or sigesn layer, an insulator, or a metal can be deposited on a prepared gesn or sigesn layer by positioning a substrate with an exposed germanium tin or silicon germanium tin layer in a processing chamber, heating the processing chamber and flowing a halide gas into the processing chamber to etch the surface of the substrate using either thermal or plasma assisted etching followed by depositing an overlayer on the substantially oxide free and contaminant free surface.
Controlled radical copolymerization of fluorinated monomers by xanthate or trithiocarbonate
The invention relates to a method of preparing a fluorinated copolymer, comprising a step of copolymerization of a fluorinated monomer (of the vinylidene fluoride type) with an α-trifluoromethacrylic acid monomer or derivative of α-trifluoromethacrylic acid, in the presence of a xanthate or trithiocarbonate compound. The invention also relates to copolymers obtained by this method as well as block copolymers comprising a copolymer block prepared according to this method..
Aqueous vinylidene fluoride polymer latex
The present invention pertains to an aqueous composition comprising: (a) an aqueous latex comprising at least one vinylidene fluoride (vdf) polymer [polymer (f)] comprising recurring units derived from vinylidene fluoride (vdf) and at least one (meth)acrylic monomer (ma) having formula (i) here below: wherein: —r1, r2 and r3, equal to or different from each other, are independently selected from a hydrogen atom and a c1-c3 hydrocarbon group, and —roh is a hydrogen atom or a c1-c5 hydrocarbon moiety comprising at least one hydroxyl group, (b) at least one powdery electrode material, and (c) optionally, less than 10% by weight, based on the total weight of the aqueous composition, of at least one organic solvent (s), wherein the polymer (f) in the n aqueous latex is under the form of primary particles having an average primary particle size of less than 1 μm, as measured according to iso 13321. The present invention also pertains to a process for manufacturing an electrode using said aqueous composition, to an electrode comprising a metal substrate coated on at least one surface with said aqueous composition and to use of said electrode for manufacturing a non-aqueous-type electrochemical device..
Film structure and method for producing same
A film structure (carbon material-insulating film structure) of the present invention includes a carbon material and an insulating film disposed on the carbon material and composed of fluorine-added magnesium oxide. The amount of added fluorine in the magnesium oxide is 0.0049 atomic percent or more and 0.1508 atomic percent or less.
Method for manufacturing silicon-containing film
A method for manufacturing a silicon-containing film includes the steps of loading a substrate, depositing a silicon-containing unloading the substrate, dry cleaning, reducing fluoride and exhausting gas. In the step of reducing fluoride, a reducing gas is supplied into a chamber in such a way that a partial pressure of cf4 gas in the chamber is a×(2.0×10−4) pa or less at the end of the step of exhausting gas..
Liquid tooth paste
My tooth cream will not stick, this is what makes it different from other tooth pastes. It can be dispensed in any type container, but it is different in that this toothpaste contains no thickeners, no carrageenan, no cellulose gum, no glycerin and no sls (sodium lanyl sulfates).

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Fluoride topics: Holographic, Distribution System, Hydrogen Fluoride, Sulfur Hexafluoride, Polypeptide, Imaging Agents, Ultraviolet, Polyvinylidene Fluoride, Semiconductors, Semiconductor, Crystallin, Alkyl Group, Silicic Acid, Impregnated, Zirconium Oxide

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