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Moses M. David, Woodbury US

Moses M. David, Woodbury, MN US

Patent application numberDescriptionPublished
20080196664MOISTURE BARRIER COATINGS FOR ORGANIC LIGHT EMITTING DIODE DEVICES - A process for fabricating an amorphous diamond-like film layer for protection of a moisture or oxygen sensitive electronic device is described. The process includes forming a plasma from silicone oil, depositing an amorphous diamond-like film layer from the plasma, and08-21-2008
20080280164MICROPOROUS CARBON CATALYST SUPPORT MATERIAL - A microporous carbon catalyst support material includes a microporous carbon skeleton layer having an average pore size from 0.1 to 10 nanometers and being substantially free of pores greater than 1 micrometer and a plurality of catalyst particles on or within the microporous carbon skeleton layer.11-13-2008
20090163127ABRASIVE ARTICLE HAVING A PLURALITY OF PRECISELY-SHAPED ABRASIVE COMPOSITES - An abrasive article comprising a sheet-like structure having a major surface and having deployed in a fixed position thereon a plurality of precisely-shaped abrasive composites in an area spacing. Each of the precisely-shaped abrasive composites comprising a plurality of abrasive particles dispersed in a binder and wherein the abrasive article has a Precisely-Shaped Abrasive Composite Defect Rate of between 0 percent to about 30 percent.06-25-2009
20090169770MOISTURE BARRIER COATINGS - A barrier assembly having a flexible or rigid substrate overcoated with an all polymer multilayer stack. A multilayer on the substrate includes alternating diamond-like glass or carbon layers with polymer layers. Another multilayer includes alternating polymer layers using different types of polymers. The barrier layers can be used to mount, cover, encapsulate or form composite assemblies for protection of moisture or oxygen sensitive articles07-02-2009
20090186209MOISTURE BARRIER COATINGS - A barrier assembly having a flexible or rigid substrate overcoated with an all polymer multilayer stack. A multilayer on the substrate includes alternating diamond-like glass or carbon layers with polymer layers. Another multilayer includes alternating polymer layers using different types of polymers. The barrier layers can be used to mount, cover, encapsulate or form composite assemblies for protection of moisture or oxygen sensitive articles07-23-2009
20090252894MOISTURE BARRIER COATINGS FOR ORGANIC LIGHT EMITTING DIODE DEVICES - A barrier assembly having a flexible or rigid substrate, an organic electronic device, and one or more layers of diamond-like film. The diamond-like film layers can be used to mount, cover, encapsulate or form composite assemblies for protection of moisture or oxygen sensitive articles such as organic light emitting diode devices, photovoltaic devices, organic transistors, and inorganic thin film transistors. The diamond-like film layers can also provide for edge sealing of adhesive bond lines in the assemblies.10-08-2009
20090263668DURABLE COATING OF AN OLIGOMER AND METHODS OF APPLYING - A plasma cross-linked surface coating of an oligomer has resulted in a low friction surface coating that is also highly durable. The coated device comprises a metal substrate and a plasma cross-linked coating of an oligomer having a molecular weight less than 10,000, and in one embodiment a molecular weights between 1000 and 10,000.10-22-2009
20100080841FIBROUS ARTICLES WITH ONE OR MORE POLYELECTROLYTE LAYERS THEREON AND METHODS FOR MAKING THE SAME - Fibrous articles having fibers coated with one or more polyelectrolyte layers are disclosed. Methods of making and using the fibrous articles are also disclosed.04-01-2010
20100165276ANTIREFLECTIVE ARTICLES AND METHODS OF MAKING THE SAME - A composite having (a) a substrate that has opposing first and second surfaces, the substrate being at least 90% transmissive in visible light and has less than 5% haze, (b) a nanostructured article including a matrix and a nanoscale dispersed phase and having a random nanostructured anisotropic surface; and (c) an optically clear adhesive disposed on the second surface of the substrate.07-01-2010
20100173377N-SULFONYLAMINOCARBONYL CONTAINING COMPOUNDS - Compounds having two reactive functional groups are described that can be used to provide a connector group between a substrate and an amine-containing material. The first reactive functional group can be used to provide attachment to a surface of a substrate. The second reactive functional group is a N-sulfonylaminocarbonyl group that can be reacted with an amine-containing material, particularly a primary aliphatic amine, to form a carbonylimino-containing connector group. The invention also provides articles and methods for immobilizing amine-containing materials to a substrate.07-08-2010
20100189922PERMEABLE NANOPARTICLE REFLECTOR - An optically-responsive multilayer reflective article is formed by applying a dilute solution or suspension of metallic nanoparticles to an optically-responsive detection layer. The solution or suspension is allowed to dry to form a semicontinuous liquid- or vapor-permeable light-reflective layer that will permit a liquid or vapor analyte to pass through the light-reflective layer to cause an optically-responsive change in the detection layer in the presence of the analyte.07-29-2010
20100239783METHODS OF FORMING MOLDS AND METHODS OF FORMING ARTICLES USING SAID MOLDS - A method of forming a working mold including placing a substrate near an electrode in a chamber, the substrate (09-23-2010
20100242958MEDICINAL INHALATION DEVICES AND COMPONENTS THEREOF - A medicinal inhalation device having a non-metal coating coated on at least a portion thereof, and onto which non-metal coating an at least partially fluorinated compound is then covalently bonded.09-30-2010
20100243572LIQUID FILTRATION SYSTEMS - Provided are plasma-treated binders for use in filtration media comprising sorbent media. Plasma treatment can use silane, oxygen, or both. Plasma-treated binders can be charge-modified with the addition of an anti-microbial agent. The filtration media can be used to make matrixes and systems. Methods of making and using the same are also provided.09-30-2010
20100247932MEDICINAL INHALATION DEVICES AND COMPONENTS THEREOF - A medicinal inhalation device having a non-metal coating applied by plasma deposition under ion bombardment conditions.09-30-2010
20100255254PLASMA TREATED ABRASIVE ARTICLE AND METHOD OF MAKING SAME - An abrasive article, such as a structured abrasive article, can be treated by subjecting it to plasma whereby the outer surface can be eroded exposing at least a portion of the abrasive particles dispersed within a cross-linked binder forming the abrasive composites. Depending on the process conditions for the plasma treatment, it is possible to erode only a small portion or substantially all of the cross-linked binder from the outer surface. Thus, the initial cut-rate of the abrasive article can be controlled since it is possible to precisely control the degree, height, or area of the exposed abrasive particles.10-07-2010
20100308497TOOL FOR MAKING MICROSTRUCTURED ARTICLES - A method for making a microstructured article, including (1 forming a first microstructured pattern on a substrate; (2) replicating the first microstructured pattern to make a second microstructured pattern in a flexible material; (3) replicating the second microstructured pattern multiple times to form a third microstructured pattern in a crosslinkable material to make a tool on a first carrier; and (4) replicating the third microstructured pattern in a polymer to make at least one microstructured article.12-09-2010
20100308509METHODS OF FORMING MOLDS AND METHODS OF FORMING ARTICLES USING SAID MOLDS - A method of forming a working mold including: placing a substrate (12-09-2010
20100316868METHOD FOR EASY-TO-CLEAN SUBSTRATES AND ARTICLES THEREFROM - A method of forming an easy-to-clean metal or metallized substrate, the method comprising forming a layer comprising silicon, oxygen, and hydrogen on at least a portion of a surface of the substrate by plasma deposition; and applying an at least partially fluorinated composition comprising at least one silane group to at least a portion of a surface of the layer comprising the silicon, oxygen, and hydrogen; and an easy-to-clean article made by the method are disclosed.12-16-2010
20110027492FUEL CELL GAS DIFFUSION LAYER - The present invention provides a method of making a fuel cell gas diffusion layer comprising the steps of a) providing a carbon fiber construction; b) coating at least the upper surface of the carbon fiber construction with composition which comprises a fluoropolymer; and c) exposing the upper surface to at least one plasma, such as a silane plasma, so as to generate a hydrophilic surface layer having a thickness of no more than 1 micron. The present invention also provides a method additionally comprising the step of partially covering the upper surface with a mask having windows according to a pattern, such that the hydrophilic surface layer is applied according to the pattern. The present invention also provides a method wherein the carbon fiber construction is provided as a roll good and the step of exposing said upper surface to at least one plasma is performed in continuous roll-to-roll fashion.02-03-2011
20110031983ORGANIC CHEMICAL SENSOR COMPRISING PLASMA-DEPOSITED MICROPOROUS LAYER, AND METHOD OF MAKING AND USING - Applicant discloses a sensing element for sensing an organic chemical analyte, comprising a first electrode and a second electrode, and a microporous, hydrophobic, analyte-responsive dielectric material disposed at least in proximity to the first and second electrodes. The analyte-responsive dielectric material may be an amorphous random covalent network comprising a mean pore size of less than about 10 nm and a porosity of at least about 20%. An electrical property of the sensing element, such as capacitance, can be monitored in order to sense an organic chemical analyte.02-10-2011
20110100220FLUORINATED POROUS ARTICLE - An article having at least one fluorinated porous layer having a basis weight of about 10 to about 300 grams per square meter and a thickness of about 0.20 to about 20 millimeters. The porous layer also exhibits a Q05-05-2011
20110100298FLUORINATING APPARATUS - An apparatus for fluorinating a substrate. The apparatus includes a vacuum chamber and a means for generating a fluorine-containing plasma throughout the entire chamber. The apparatus includes a capacitively-coupled system within the chamber that has at least one electrode powered by an RF source and at least one grounded electrode substantially parallel to the powered electrode. The electrodes are separated by about 25 mm or less.05-05-2011
20110143129MOISTURE BARRIER COATINGS - A barrier assembly having a flexible or rigid substrate overcoated with an all polymer multilayer stack. A multilayer on the substrate includes alternating diamond-like glass or carbon layers with polymer layers. Another multilayer includes alternating polymer layers using different types of polymers. The barrier layers can be used to mount, cover, encapsulate or form composite assemblies for protection of moisture or oxygen sensitive articles06-16-2011
20110150752REMOTE PLASMA SYNTHESIS OF METAL OXIDE NANOPARTICLES - A method of synthesizing nanoparticles, comprising providing a precursor comprising a titanium alkoxide compound; forming a plasma from oxygen gas at a first location, wherein the plasma comprises plasma products that contain oxygen atoms; causing the plasma products to flow to a second location remote from the first location; contacting the precursor with the plasma products at the second location so as to oxidize the precursor and form nanoparticles; and collecting the nanoparticles with a collector.06-23-2011

Patent applications by Moses M. David, Woodbury, MN US