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Assignee: Nippon Shokubai Co., Ltd.


Location: Osaka, JP
No. of patents: 804

1                      
NumberTitleIssue Date
8182916Particulate water absorbing agent comprising crosslinked absorbent resin and having low residual monomer, water absorbing article and method for production of water absorbing agent
An object of the present invention is to provide a water absorbing agent having a low amount of residual monomer, small variance of the amount of residual monomer among ranges of particle size distribution and favorable absorption properties, and being sanitary; an ...
05/22/2012
8178719Method for producing acrylic acid
There is provided a novel process for producing acrylic acid by which acrylic acid can be obtained from a raw material independent of petroleum. The process for producing acrylic acid according to the present invention comprises the steps of: applying a dehydration ...
05/15/2012
8174755Microcapsules for electrophoretic display devices, and processes for their production, and their applications
The microcapsules for electrophoretic display devices according to the present invention each enclose a dispersion containing electrophoretic particles and a solvent in a shell having an inner shell made of a mercapto group-containing amino resin and an outer shell ...
05/08/2012
8173588Iminocarboxylic acid salt-containing solid composition and production method thereof
Provided is a solid composition comprising an iminocarboxylic acid salt, wherein the iminocarboxylic acid salt is 3-hydroxy-2,2′-iminodisuccinic acid and/or a salt thereof. The solid composition comprises 70% by weight or more of the iminocarboxylic acid salt, rel...
05/08/2012
8173098Titanium oxide, catalyst for treating exhaust gas and method for purifying exhaust gas
A catalyst for treating exhaust gases having excellent durability and performance for removing nitrogen oxides and organic halogen compounds and a low SO2 oxidation rate, a titanium oxide suitable for preparing the catalyst and a method for treating exhau...
05/08/2012
8164822Display device, method of manufacturing display device and electronic apparatus
A display device having a display surface, comprises: a contact particle-containing layer including a wall portion with an inner surface for defining a space, contact particles electrically charged and provided within the space in a contact state that the contact pa...
04/24/2012
8148485Production method for water-absorbing resin
In obtaining a water-absorbing resin with high property in high productivity, produced a production method for a water-absorbing resin in high property and stably. Provided is a production method for a water-absorbing resin, comprising: a step for polymerizing an ac...
04/03/2012
8134027Sulfonylimide salt and method for producing the same
The present invention provides a method for producing fluorosulfonylimides more safely, rapidly and efficiently, which enables suppression of production of by-products, and fluorosulfonylimides. The method for producing a fluorosulfonylimide salt of the present inve...
03/13/2012
8124869Dye-sensitized type solar cell
The present invention provides a dye-sensitized solar cell of high safety, of improved ionic conductivity, and, therefore, of excellent cell performance. The present invention is related to a dye-sensitized solar cell comprising an ionic substance having an a...
02/28/2012
8119739Retardation film
The invention provides a retardation film, composed primarily of an acrylic polymer, with transparency, heat resistance, and large retardation. The retardation film of the present invention is composed primarily of an acrylic polymer. The film has an in-plane retard...
02/21/2012
8076509Process for producing acrylic acid
The present invention provides a process for producing acrylic acid from glycerin with a catalyst having a prolonged life. In the process for producing acrylic acid from glycerin, a molar ratio of oxygen to glycerin in a raw material gas is set to be not lower than ...
12/13/2011
8045255Process for producing microcapsules for electrophoretic display devices, as well as microcapsules for electrophoretic display devices, obtained by this process, and their applications
There is disclosed a process for producing microcapsules for electrophoretic display devices, including classifying microcapsules for electrophoretic display devices from a dispersion containing microcapsules in an aqueous medium, using a specific particle classific...
10/25/2011
8044157Water absorbent resin production method and usage thereof
A method for producing a water absorbent resin comprises the steps of: (i) polymerizing a monomer including an unsaturated monomer containing a carboxyl group, in the presence of an internal cross-linking agent (A) having two or more radical polymerizable unsaturate...
10/25/2011
8026294Water absorbent resin composition and method for producing the same
An object is to provide a water absorbent resin composition containing a water absorbent resin as a main component, with excellent deodorant property and antimicrobial property without impairing appearance and absorption characteristics of the water absorbent resin....
09/27/2011
8017546Catalyst for producing alkylene oxide, method for producing the same, and method for producing alkylene oxide using said catalyst
A catalyst for producing alkylene oxide including fine metal silver particles dispersed and supported on a carrier, wherein not less than 90% of the fine metal silver particles have silver particle diameters of 2 to 100 nm, is disclosed. The catalyst can be produced...
09/13/2011
8014071Light selective transmission filter
The present invention provides a light selective transmission filter which selectively shields light and has a high transmittance of light at a specific wavelength such as visible rays, and which has a sufficiently reduced thickness and excellent heat resistance. Th...
09/06/2011
8008515Catalyst for partial oxidation of olefin, preparation method thereof, and process for preparing alkylene oxide
A catalyst for partial oxidation of olefin, which comprises silver or silver oxide and an alkali metal or a compound thereof supported on an α-alumina carrier containing silicon or a compound thereof, wherein the silicon or the compound thereof exists at a position...
08/30/2011
8003222Resin composition for forming ultraviolet absorbing layer and laminate comprising ultraviolet absorbing layer
The object of the present invention is to find a resin composition for forming an ultraviolet absorbing layer having excellent adhesion to various plastic substrates such as polyester type films of PET etc. and provide a laminate of plastic substrate having no yello...
08/23/2011
8003025Microcapsule composition for electrophoretic displays
The present invention provides: a microcapsule composition for electrophoretic displays; a production process for the microcapsule composition for the electrophoretic displays; a production process for a sheet for the electrophoretic displays; and a handling method ...
08/23/2011
7999997Electrophoretic display device, method of manufacturing electrophoretic display device, and electronic device
An electrophoretic display device is provided. The electrophoretic display device comprises a first electrode provided on a surface of a first base member; second electrodes provided on a surface of a second base member so that the second electrodes are placed in a ...
08/16/2011
7981833Aqueous-liquid-absorbing agent and its production process
An object of the present invention is to provide an aqueous-liquid-absorbing agent which comprises water-absorbent resin particles as essential components and is suitable for uses in sanitary materials. As a means of achieving this object, an aqueous-liquid-absorbin...
07/19/2011
7977503Polymerization inhibition method
The objective of the present invention is to provide a method for inhibiting polymerization of (meth)acrylic acid and the like. By the method, the generation of deposit in a pipe, which is exclusively used for providing a solution of a dialkyldithiocarbamic acid cop...
07/12/2011
7972680Resin composition and film
To realize a resin composition which enables formation of a film having excellent film formability and bending resistance and having a small retardation. A resin composition of the present invention comprises: an acrylic resin as a main component; and organic fine p...
07/05/2011
7960469Water absorbent resin composition and production method thereof
The production method of a water absorbent resin composition including a particulate water absorbent resin, wherein: 95 wt % or more of particles whose particle diameter is less than 850 μm and not less, than 106 μm are contained, and a weight average particle dia...
06/14/2011
7960308Oxide catalyst, process for producing acrolein or acrylic acid and process for producing water absorbent resin
The invention provides a process which enables, in preparation of acrolein by catalytic gas-phase oxidation of propylene in the presence of molecular oxygen or a molecular oxygen-containing gas or in preparation of acrylic acid by catalytic gas-phase oxidation of ac...
06/14/2011
7935774Particulate water-absorbent polymer and production method thereof
An object of the present invention is to provide a method for producing a particulate water-absorbent polymer particle having remarkably improved long-term color stability, without an adverse effect (such as a delay in polymerization) on synthesis of the particulate...
05/03/2011
7919564Method for manufacturing particulate water-absorbing agent and particulate water-absorbing agent
The present invention provides a method for manufacturing a particulate water-absorbing agent which has excellent liquid diffusibility and liquid permeability, and whose amount of residual monomers is reduced. The method for manufacturing the particulate water-absor...
04/05/2011
7910672Powder of a vinylpyrrolidone polymer and a process for production thereof
The present invention is a powder of a vinylpyrrolidone polymer having a K value of smaller than 50, characterized in that a content of particles having a particle diameter of 106 μm or smaller is 10% by mass or less and a content of particles having a particle dia...
03/22/2011
7906595Hydrophilic graft polymer
A hydrophilic graft polymer having the reducing amount of the residual unsaturated monocarboxylic acid, and having very excellent temporal stability is provided. The present invention relates to the hydrophilic graft polymer obtained by graft polymerization o...
03/15/2011
7906570Thermoplastic resin composition and production process thereof
Disclosed is a thermoplastic resin composition contains including a methacrylic resin having a ring structure in a main chain thereof and a glass transition temperature of 110° C. or higher, and at least one kind of metal compound selected from metal salts, metal c...
03/15/2011
7897813Reactor for gas phase catalytic oxidation and a process for producing acrylic acid using it
Conventional gas-phase catalytic oxidation reaction apparatus comprising two reactors for production of acrylic acid is subject to problems of high equipment costs for the reactors and piping, necessity for wide installation area and easy accumulation of carbides ge...
03/01/2011
7887920Borate and near-infrared ray absorption material
A borate for a near-infrared ray absorption material, having an anion represented by the formula (1): [BR1mR24-m]− (wherein R1 represents an aryl group having an electron withdrawing group; R2 ...
02/15/2011
7884235Method for gas-phase catalytic oxidation using a fixed bed reactor
The invention provides a method of gas-phase catalytic oxidation, in particular, a production method of (meth)acrylic acid, which enables stable continuous operation of gas-phase catalytic oxidation over a long term, maintaining high yield and suppressing increase i...
02/08/2011
7847131Process for producing acrolein
There is provided a process for producing acrolein, which makes it possible to obtain acrolein in high yield by dehydration of glycerin. Glycerin is allowed to coexist with a catalyst containing a rare earth metal salt crystal of phosphoric acid, thereby dehydrating...
12/07/2010
7879923Method for surface-treatment of water absorbent resin
This invention is to provide a method for surface-treatment of a water absorbent resin excelling in water absorption properties. This invention relates to a method for the surface-treatment of a water absorbent resin, which comprises: a) mixing 100 parts by weight o...
02/01/2011
7872076Particulate water-absorbent resin composition and its production process
An object of the present invention is to provide a particulate water-absorbent resin composition and its production process, wherein the particulate water-absorbent resin composition is an enhanced one in both of the “liquid permeability” and “liquid-sucking-u...
01/18/2011
7864405Electrophoretic display sheet, electrophoretic display device and electronic apparatus
An electrophoretic display sheet capable of increasing pressure resistance and bleed resistance of microcapsules and constructing an electrophoretic display device stably operable for a long period of time, a highly reliable electrophoretic display device and a high...
01/04/2011
7858177Microcapsule composition for electrophoretic displays
The present invention provides: a microcapsule composition for electrophoretic displays; a production process for the microcapsule composition for the electrophoretic displays; a production process for a sheet for the electrophoretic displays; and a handling method ...
12/28/2010
7855307Method for producing a purified borazine compound, method for filling a borazine compound, and container for preserving a borazine compound
On producing a purified borazine compound, a borazine compound is filtrated under an atmospheric condition of a water content of not higher than 2000 volume ppm. Or, on filling a borazine compound into a container, the above described borazine compound is filled int...
12/21/2010
7851576Polymer and cement admixture using the same
The present invention provides a novel polymer, and a mixture and a cement admixture thereof. The cement admixture has higher dispersibility compared to the previous ones. The novel polymer of the present invention has a different structure from the conventional cop...
12/14/2010
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