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528 - Synthetic resins or natural rubbers -- part of the class 520 series


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Class / Patent application numberDescriptionNumber of patent applications / Date published
528025000 With organic silicon-free reactant 91
528012000 Polymerizing in the pressence of a specified material other than a reactant 61
528033000 Silicon reactant contains two or more silicon atoms 21
528031000 Silicon reactant contains a silicon-to-hydrogen bond 17
528032000 Silicon reactant contains an ethylenically unsaturated group 12
528038000 Silicon reactant contains an amine nitrogen atom 8
528030000 From silicon-containing reactant having at least one polyvalent atom other than carbon, oxygen, or nitrogen 7
528043000 Silicon reactant contains an aryl group 4
20130079484ORGANIC-INORGANIC HYBRID POLYMER HAVING QUANTUM WELL STRUCTURES - Provided is poly(tetraphenyl)silole siloxane having quantum well structures, and thus, organic-inorganic hybrid polymers having these quantum well structures are applied to electronic devices, which allows flexible non-volatile TFT memory devices to be realized.03-28-2013
20090137766Silicone Particle with Excellent Hydrophobic and Alkali Proof Properties, Method for Preparing the Same and Coating Composition Using the Same - Disclosed herein is a silicone particle with excellent hydrophobic and alkali proof properties. The present invention provides a method of controlling surface hydroxyl groups by treating the surface of silicone particles with alkali metal ions or alkaline earth metal ions. The present invention also provides a coating composition using the silicone particle, in which the amount of hydroxyl groups present on the surface of the silicone particle can be controlled.05-28-2009
20090299026ORGANIC-INORGANIC HYBRID GLASSY MATERIAL AND ITS FABRICATION METHOD - Disclosed is an organic-inorganic hybrid glassy material characterized in that change of Abbe number does not exceed 1.5 in a temperature range of 20-150° C. (a difference between the maximum value and the minimum value is 1.5 or less). This organic-inorganic hybrid glassy material may have a characteristic that transmittance in a wavelength range of 300-800 nm is not lowered by 5% or greater to a laser light irradiation of a wavelength of 330-380 nm.12-03-2009
20130144026Method for Making a Thermo-Stable and Transparent Resin - Disclosed is a method form making a thermo-stable and transparent resin. In the method, at first, polyborosiloxane is syhthesized by hydrolyzing and condensing a boron-containing compound, used as a precursor, and a silane compound. Then, epoxy group-containing polyborosiloxane is synthesized by grafting an epoxy group to the polyborosiloxane. Finally, an epoxy/PGB composite is synthesized by reacting the epoxy group-containing polyborosiloxane with epoxy for consolidation, thus providing a homogenous, stable, net-shaped composite.06-06-2013
528042000 Silicon reactant contains at least one halogen atom bonded to a carbon atom which carbon atom is not an acyl halide carbon atom 3
20100113732Method Of Preparing New Silsesquioxane Filler Material - The invention discloses a method for the preparation of high surface area methylsilsesquioxane resin particles. The particles are formed by the hydrolysis and condensation of methyltrichlorosilane followed by separation and drying. By this process, by-products and waste are converted into commercially valuable materials.05-06-2010
20120322967FIXING MEMBER, FIXING DEVICE, AND IMAGE FORMING APPARATUS - To provide a fixing member, which contains an outermost layer formed of an elastic material, where the fixing member is used in a process for fixing a toner image on a recording medium by heating, and the outermost layer has peel strength of 20 N/cm12-20-2012
20080200635POLYSILANE COMPOUND AND SYNTHESIS METHOD, ULTRAVIOLET-RAY CURABLE INK COMPOSITION, INKJET RECORDING METHOD AND APPARATUS, AND INK CONTAINER - The invention relates to a polysilane compound having a structure represented by the following formula 1 and an ultraviolet ray-curable ink composition containing the polysilane compound. Also, an inkjet recording method using the ultraviolet ray-curable ink composition and an ink container and an inkjet recording apparatus each containing the ultraviolet ray-curable ink composition therein are disclosed.08-21-2008
528041000 Silicon containing carboxylic acid or derivative or from a silicon derivative of a nonsilicon containing carboxylic acid 3
20080319154Cyclic silazanes containing an oxamido ester group and methods - Cyclic silazanes containing an oxamido ester group and methods of making these compounds are described. The compounds can be used, for example, to make oxamido ester-terminated siloxanes, which can be precursors for the preparation of various polymeric materials such as, for example, polydiorganosiloxane polyoxamides.12-25-2008
20090118456CHELATING SILICON-BASED POLYMERS - The present invention relates to novel silicon-based polymers, particularly silicon-based polymers having citrate groups, and their use as chelating agents, for forming and as stabilizers.05-07-2009
20110046337POLYSILOXANE COATING WITH HYBRID COPOLYMER - A coating includes the reaction product of (a) a hybrid copolymer incorporating (i) a first monomer including a hydroxy-functional organoacrylate and (ii) a second monomer including an organoalkoxysilane and (b) a second material including an organofunctional alkoxysilane. The first monomer can be a hydroxy functional acrylate and/or a hydroxyalkylacrylate. The second monomer can be a trialkoxysilane. The second material can be a trialkoxysilane.02-24-2011
528039000 With silicon reactant which is free of any silicon to carbon bond 2
20080249278Sealing material for optical element and sealed optical element - A sealing material for optical elements with excellent transparency, crack resistance, and heat resistance which can produce a cured product of the sealing material and a sealed optical element are provided. The sealing material for optical elements comprising a compound with a ladder structure, which contains a repeating unit of the following formula (A) in the molecule as a major component, the compound being obtained by condensing a compound (1) shown by the formula, R10-09-2008
528040000 Silicon reactant contains a fused, bridged, or cycloaliphatic ring 1
20090253886SILICONE COPOLYMER HAVING CONDENSED POLYCYCLIC HYDROCARBON GROUP - Provided is a novel silicone copolymer which exhibits high absorption even in a far-ultraviolet region of 200 nm or more, and also is soluble in an alkaline reagent since it has a phenolic hydroxyl group. The silicone copolymer comprises a silsesquioxane having a phenol unit and comprises a silsesquioxane having a condensed polycyclic hydrocarbon.10-08-2009
20100160591Method for producing polycrystalline silicon, and facility for producing polycrystalline silicon - A method for producing polycrystalline silicon, including: reacting trichlorosilane and hydrogen to produce silicon and a remainder including monosilanes (formula: SiH06-24-2010
20100160590SILICONE RESINS HAVING A DEFINED REACTIVITY - Reactivity of silicone resins containing silanol functionality is enhanced by including HCl in the resin.06-24-2010
20090124781Method of Making Branched Polysilane Copolymers - Branched polysilane copolymers are prepared via a Wurtz-type coupling reaction by reacting a mixture of two different dihalosilanes and a single trihalosilane with an alkali metal coupling agent in an organic liquid medium. The branched polysilane copolymers are recovered from the reaction mixture. Capped branched polysilane copolymers are prepared via the same Wurtz-type coupling reaction with addition of a capping agent to the reaction mixture. The capping agent is a monohalosilane, monoalkoxysilane, dialkoxysilane, or trialkoxysilane. The branched polysilane copolymers and the capped branched polysilane copolymers are soluble in organic liquid medium.05-14-2009
20090043066PROCESS FOR PREPARING ALKYLPOLYETHER-SUBSTITUTED MERCAPTOSILANES - Process for preparing alkylpolyether-substituted mercaptosilanes of the general formula I,02-12-2009
20080293907Method for Preparing Ss-Ketocarbonyl-Functional Organo-Silicium Compounds - β-ketocarbonyl-functional organosilicon compounds are prepared by reacting amino organo-functional organosilicon compounds with a diketene in the presence of a compound which inhibits the reaction of amine groups with β-ketocarbonyl compounds.11-27-2008
20090093605PROCESS FOR PREPARING A SILICONE RESIN - The invention relates to, and the general field of the invention is that of, the synthesis of silicone resins, more particularly the synthesis of silicone resins of type MQ. The process relates to the preparation of MQ silicone resins and permits better control of the operating conditions in the step of the polymerization of a sodium silicate (B) in aqueous medium in the presence of an acid (C) to form a silica hydrosol (polysilicic acid). In the course of the polycondensation step the reactants, a sodium silicate and an acid, are mixed, preferably in continuous fashion, dynamically to form a mixture (3), by means of at least one intensive mixing tool (M) producing a power ε per unit volume of more than 10 kW/m04-09-2009
20090253884Polysiloxane And Method For Producing Same - Disclosed is a simplified method for producing a polysiloxane in which wastes discharged during the production are reduced. This method for producing a polysiloxane is characterized in that a mixture of a silicon-containing compound represented by the following average composition formula (A):10-08-2009
20100137544ORGANOPOLYSILOXANES AND METHOD FOR THE PRODUCTION THEREOF - The invention relates to organopolysiloxane compounds containing per-molecule at least one structural unit of general formula (I) O06-03-2010
20090203869PHOTOCURABLE POLYMERS FOR OPHTHALMIC APPLICATIONS - The present invention generally relates to pre-polymer and polymer compositions that can be photopolymerized. In one embodiment, the present invention relates to crosslinking agents that can be used in the photopolymerization of the pre-polymers and polymers disclosed herein. In another embodiment, the present invention relates to processes for producing pre-polymer, polymer and crosslinking compositions useful in photopolymerization reaction schemes. In one instance, the pre-polymers and polymers of the present invention can be crosslinked via a suitable crosslinking agent to produce networks (e.g., amphiphilic networks and/or co-networks).08-13-2009
20110040062COSMETIC PRODUCT - The present invention provides cosmetic products, such as makeup cosmetics and skin care cosmetics, which have a good water-proof and perspiration resistance and an excellent use feel such as spreadability at the time of application and long-wearing capabilities. Specifically, a cosmetic product containing a silicone resin, composed of (A) and (B) described below: 02-17-2011
20110065881ORGANIC SILICON COMPOUND AND MATERIAL FOR FORMING SILICA-BASED FINE PARTICLE - An organic silicon compound includes a specific alkoxyorganopolysiloxane portion, a portion including an alkoxysilane group, the portion being bonded to the polysiloxane portion, and a portion including a resin-compatible chain or a reactive functional group, the portion being bonded to the polysiloxane portion.03-17-2011
20130172509Methods of Producing Microfabricated Particles for Composite Materials - Microfabricated particles are dispersed throughout a matrix to create a composite. The microfabricated particles are engineered to a specific structure and composition to enhance the physical attributes of a composite material. The microfabricated particles are generated by forming a profile extrudate. A profile extrudate is an article of indefinite length that has a cross sectional profile of a desired structure with micro-scale dimensions. Upon or after formation, the profile extrudate may be divided along its length into a plurality of microfabricated particles.07-04-2013
20080249276THIN INSULATIVE MATERIAL WITH GAS-FILLED CELLULAR STRUCTURE - The present invention is directed to a lightweight, gas-filled, highly insulative cellular structure and methods for manufacturing the cellular structure. The cellular structure can be incorporated into outdoor gear and apparel to make the outdoor gear or apparel warm, while still maintaining a desired thinness and flexibility. The insulative article takes advantage of the superior insulative properties of dry gases and preferably highly insulative gases such as argon. In addition, the size and shape of the cells in the cellular structure are selected to minimize convection.10-09-2008
20080200634Mono-,Oligo- and Polymers of Thienothiazole - The invention relates to novel mono-, oligo- and polymeric compounds comprising thienothiazole groups, to their use as semiconductors or charge transport materials, in optical, electro-optical or electronic devices, and to optical, electro-optical or electronic devices comprising the novel compounds.08-21-2008