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Sumitomo Seika Chemicals Co Ltd
Sumitomo Seika Chemicals Co Ltd_20100107
Sumitomo Seika Chemicals Co Ltd_20131212

Sumitomo Seika Chemicals Co Ltd patents


Recent patent applications related to Sumitomo Seika Chemicals Co Ltd. Sumitomo Seika Chemicals Co Ltd is listed as an Agent/Assignee. Note: Sumitomo Seika Chemicals Co Ltd may have other listings under different names/spellings. We're not affiliated with Sumitomo Seika Chemicals Co Ltd, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "S" | Sumitomo Seika Chemicals Co Ltd-related inventors


Method of producing etching mask, etching mask precursor, and oxide layer, and manufacturing thin film transistor

The etching mask 80 for screen printing according to one embodiment of the present invention includes aliphatic polycarbonate. Further, the method of producing an oxide layer (the channel 44) according to one embodiment of the present invention includes: an etching-mask forming step of forming a pattern of the etching mask... Sumitomo Seika Chemicals Co Ltd

Method for producing 2-halogenated benzoic acids

The purpose of the present invention is to provide a method for producing 2-halogenated benzoic acids, the method imparting high regioselectivity (high selectivity) and having a shorter reaction time than does the conventional reaction. This method for producing 2-halogenated benzoic acids, in order to achieve the above purpose, is characterized... Sumitomo Seika Chemicals Co Ltd

Binder resin composition

wherein each of X and Y, which may be identical or different, is a group having at least one functional group selected from a carboxy group, an ester group, a carbamate group, a silicate group, an isocyanate group, an ether group, an acetal group, and a halogen atom at its... Sumitomo Seika Chemicals Co Ltd

Water-absorbent resin production apparatus

In a water-absorbent resin production apparatus for producing a water-absorbent resin by polymerizing a water-soluble ethlenically unsaturated monomer, a water-absorbent resin powder obtained by drying a water-absorbent resin composition with a dryer passes through a first powder flow path pipe, is discharged therefrom toward a classifier while a flow rate... Sumitomo Seika Chemicals Co Ltd

Packaging bag and packaged product

A packaging bag for packaging water-absorbent resin powder includes a resin sheet with gas barrier properties which is formed in a bag shape having a charge opening for charging the water-absorbent resin powder into the packaging bag. At least one resin sheet piece of the resin sheet is provided with... Sumitomo Seika Chemicals Co Ltd

Rotating electric machine, coil, and coil device

Provided are a rotating electric machine, and a coil and coil device used in the rotating electric machine capable of improving performance. The rotating electric machine (1) includes: a stator (3) having an iron core section (7) having a main body part (10) having a circular profile and a plurality... Sumitomo Seika Chemicals Co Ltd

Thermally decomposable binder

wherein each of R1, R2 and R3, which may be identical or different, is a hydrogen atom, an alkyl group having from 1 to 10 carbon atoms, or an aryl group having from 6 to 20 carbon atoms; and n is 1 or 2. The thermally decomposable binder and the... Sumitomo Seika Chemicals Co Ltd

Propane production method and propane production apparatus

A propane production method includes a hydrogenation reaction step of hydrogenation-reacting crude propylene and hydrogen in a presence of a catalyst to obtain gaseous crude propane containing impurities; and an impurity removal step of removing the impurities contained in the gaseous crude propane obtained in the hydrogenation reaction step to... Sumitomo Seika Chemicals Co Ltd

Method for producing pseudopolyrotaxane aqueous dispersion

The present invention provides a method for producing an aqueous dispersion of pseudopolyrotaxane that enables the production, by an industrially advantageous method for an aqueous dispersion of pseudopolyrotaxane in which the inclusion amount of a cyclodextrin does not increase with time and which can provide a crosslinked polyrotaxane having sufficient... Sumitomo Seika Chemicals Co Ltd

Aqueous dispersion of a-olefin-(meth)acrylic acid ester-based rubber particles, preparing same, molded body, and resorcin-formalin-latex adhesive

The present invention aims to provide an aqueous dispersion of α-olefin-(meth)acrylic acid ester-based rubber particles having better storage stability and ensuring better oil resistance of a molded body. The present invention also aims to provide a method for producing the aqueous dispersion, a molded body and a resorcin-formalin-latex adhesive each... Sumitomo Seika Chemicals Co Ltd

Oxide precursor, oxide layer, semiconductor element, and electronic device, and producing oxide layer and producing semiconductor element

An aliphatic polycarbonate, an oxide precursor, and an oxide layer are provided, which are capable of controlling stringiness, when a thin film that can be employed for an electronic device or a semiconductor element is formed by a printing method. In an oxide precursor of the present invention, a compound... Sumitomo Seika Chemicals Co Ltd

Drag reducer and fire-extinguishing agent

The invention provides a drag reducer having an excellent frictional drag-reducing effect on an aqueous medium and the like and also provides a fire-extinguishing agent including this drag reducer. The drag reducer according to the present invention includes a polyalkylene oxide aqueous dispersion that includes a polyalkylene oxide, aluminum oxide,... Sumitomo Seika Chemicals Co Ltd

Aqueous dispersion of polyester-type elastic material, and producing same

The present invention provides an aqueous dispersion of a polyester-type elastic material, the aqueous dispersion comprising an aqueous medium, a non-ionic surface active agent and a polyester-type elastic material, wherein the aqueous dispersion comprises 1 to 20 parts by mass of the non-ionic surface active agent relative to 100 parts... Sumitomo Seika Chemicals Co Ltd

Carboxyl-group-containing polymer composition

There is provided a carboxyl group-containing polymer composition having excellent water solubility and aqueous solution-thickening properties, having a minimal change in viscosity due to the thermal history in a drying step, and having high transparency of a neutral viscous solution obtained by mixing with water. The carboxyl group-containing polymer composition... Sumitomo Seika Chemicals Co Ltd

Polymerization reactor and producing water absorbent resin

A polymerization reactor of the present invention includes a container body 1 and a jacket 2 covering the outer surface of the container body 1 and defining a passage for passing a cooling/heating medium between itself and the outer surface of the container body. The container body 1 is made... Sumitomo Seika Chemicals Co Ltd

Polyolefin resin composition, molding, and polyolefin resin film

The polyolefin-based resin composition comprises a polyolefin-based resin, a polyalkylene carbonate resin, and an ionic liquid. The polyolefin-based resin film of the present invention is formed by molding the polyolefin-based resin composition and is stretched at least in a monoaxial direction.... Sumitomo Seika Chemicals Co Ltd

Resin composition for forming hydrophilic coating film

The purpose of the present invention is to provide a resin composition for forming a hydrophilic coating film with which it is possible to form a hydrophilic coating film imparted with exceptional durability and suitable moisture sorption, wettability, and slip properties without selecting the type of substrate. A resin composition... Sumitomo Seika Chemicals Co Ltd

Water-absorbent resin and absorbent article

Effective absorbent material index (K)=[(the amount of liquid flow) (g)]×[(artificial-urine absorption ratio) (g/g)]  (I)... Sumitomo Seika Chemicals Co Ltd

Water-absorbent resin and producing water-absorbent resin

Provided is a water-absorbent resin that increases the diffusivity of a to-be-absorbed liquid and that makes it possible to effectively decrease the amount of re-wet. The water-absorbent resin is obtained by polymerizing a water-soluble ethylenicallyally unsaturated monomer under the presence of an internal-crosslinking agent, has the water-absorption capacity of physiological... Sumitomo Seika Chemicals Co Ltd

Water-absorbent resin and absorbent article

Provided is: a water-absorbent resin which has a better water absorption performance and with which it is possible to improve absorption performance under a load when used in an absorbent material. This water-absorbent resin, obtained by polymerizing a water soluble ethylenically unsaturated monomer in the presence of an internal-crosslinking agent... Sumitomo Seika Chemicals Co Ltd

Polyester resin composition and molding

The present invention relates to a polyester resin composition including: a polyester resin; and a polyrotaxane that has a cyclic molecule, a linear molecule threading through a cavity of the cyclic molecule in a skewered manner, and capping groups capping both ends of the linear molecule.... Sumitomo Seika Chemicals Co Ltd

Oxide semiconductor layer and production method therefor, oxide semiconductor precursor, oxide semiconductor layer, semiconductor element, and electronic device

The invention provides an oxide semiconductor layer that has less cracks and is excellent in electrical property and stability, as well as a semiconductor element and an electronic device each including the oxide semiconductor layer. The invention provides an exemplary method of producing an oxide semiconductor layer, and the method... Sumitomo Seika Chemicals Co Ltd

Additive for non-aqueous electrolyte, non-aqueous electrolyte, and power storage device

The present invention aims to provide an additive for a non-aqueous electrolyte solution which has excellent storage stability and which, when used in an electrical storage device, can form a stable SEI on the surface of an electrode to improve battery characteristics such as the cycle characteristics, the charge/discharge capacity,... Sumitomo Seika Chemicals Co Ltd

Water-absorbent resin and absorbent article

(B) gel strength is 1800 Pa or less.... Sumitomo Seika Chemicals Co Ltd

Method of manufacturing water-absorbent resin, water-absorbent resin, water-absorbing agent and absorbent article

With respect to water-absorbent resins, there are provided a method of manufacturing a water-absorbent resin having an appropriate BET specific surface and a water-absorption rate and a water-absorbing agent and an absorbent article that are formed by using the water-absorbent resin. In a first aspect of the present invention, when... Sumitomo Seika Chemicals Co Ltd

Alkylene oxide polymer production method

Provided is an alkylene oxide polymer production method, whereby it becomes possible to produce an alkylene oxide polymer having a high polymerization degree on an industrial scale and with high reproducibility. An alkylene oxide polymer production method comprising carrying out a polymerization reaction of an alkylene oxide in an inert... Sumitomo Seika Chemicals Co Ltd

Solvent for electrolytic solution for use in electrochemical devices

wherein R1 and R2 each independently represent a linear or branched C1-C5 alkyl group, and may be the same as or different from each other; and at least one of an organic amine compound and 4-tert-butylcatechol.... Sumitomo Seika Chemicals Co Ltd

Method for producing water-absorbent resin particle

Provided is a method for producing water-absorbent resin particles suitable for use in absorbent article and the like, the water-absorbent resin particles having better water-absorbent performance, a suitable particle size, and a narrow particle-size distribution. A method for producing water-absorbent resin particles by reversed-phase suspension polymerization of a water-soluble ethylenic... Sumitomo Seika Chemicals Co Ltd

Heat dissipation film, dispersion liquid for heat emission layer, producing heat dissipation film and solar cell

The present invention provides a heat dissipation film having high mechanical strength and flexibility, which is obtained by laminating a heat emission layer excellent in heat dissipation by infrared radiation, electrical insulation, and heat resistance on a metal film having excellent heat transfer efficiency. The present invention also provides a... Sumitomo Seika Chemicals Co Ltd

Binder for electric double-layer capacitor electrode, electric double-layer capacitor electrode comprising same binder, electric double-layer capacitor using same electrode, and electric apparatus

A binder for an electric double-layer capacitor electrode according to the present invention includes a copolymer of vinyl alcohol and an alkali metal-neutralized product of ethylene-unsaturated carboxylic acid.... Sumitomo Seika Chemicals Co Ltd








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