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Asahi Kasei Chemicals Corporation Patents
Assignee:
Asahi Kasei Chemicals Corporation
Address:
Tokyo, JP
No. of patents:
244
Patents:


1 2 3 4 5










Patent Number Title Of Patent Date Issued
D692994 Hollow fiber membrane for a filter November 5, 2013
D669968 Pipe for a filter October 30, 2012
D648009 Pipe for a filter November 1, 2011
D648007 Air diffusion pipe for a filter November 1, 2011
D648006 Pipe fitting for a filter November 1, 2011
D648005 Pipe fitting for a filter November 1, 2011
8568785 Process for producing spherical base granule comprising easily water-soluble drug October 29, 2013
Provided is a process for producing spherical base granules comprising a easily water-soluble drug and suited for film coating by spraying a layering liquid over pharmaceutically inert spherical core particles, thereby coating the particles with a layer comprising the easily water-so
8563646 Adhesive composition October 22, 2013
An adhesive composition having good balance in tackiness properties such as tack strength and retentivity, low melt viscosity, high processability, and high stability in melt viscosity under high temperature heating is provided. An adhesive composition containing two hydrogenated blo
8563127 Absorbent composite material and bodily fluid-absorbing article comprising water-absorbent resin October 22, 2013
An absorbent composite comprising: a base material and water-absorbent resin particles; wherein the following conditions (1) to (4) are fulfilled: (1) the weight ratio of water-absorbent resin relative to the total weight of the base material and water-absorbent resin is 65 to 99 wt
8562873 Flame retarder composition October 22, 2013
A flame retardant resin composition comprising a specified metal oxide and/or trivalent phosphorus compound (A) and a specified phosphazene compound (B) together with an aromatic resin (C) added according to necessity. This flame retardant composition when mixed into resins, can prov
8299160 Resin composition and automobile under-hood parts thereof October 30, 2012
A resin composition including 30 to 90% by mass of polyamide (A), 70 to 10% by mass of glass fibers (B), a copper compound (C) and a halogenated compound (D), wherein polyamide (A) has a sum of a terminal carboxyl group concentration and a terminal amino group concentration of 100 mi
8298585 Cellulose-based fine core particle and process for producing the same October 30, 2012
It is an object of the present invention to provide a fine core particle, which comprises a coating layer having a uniform thickness, and which can be used to produce, at a high yield, a small granule causing no sandy feeling in the oral cavity when the fine core particle is applied to a
8293934 Isocyanates and aromatic hydroxy compounds October 23, 2012
An object of the present invention is to provide a process for producing isocyanates, which are industrially useful compounds, without using phosgene, and to provide a process for chemically recycling waste polycarbonate resin. The present invention discloses a process enabling isocy
8293162 Method and apparatus for producing molded product October 23, 2012
A method for producing a molded product consisting of a resin polymerized by a melt polycondensation reaction, comprising continuous feeding of a prepolymer in molten state from a prepolymer feeding port to a polymerization reactor, discharging from holes of a porous plate, followed
8288501 Method for producing polyphenylene ether October 16, 2012
Method for producing polyphenylene ether, comprising preparing a polymerization solution of 10-25 parts by mass of a phenolic compound (M) and 75-90 parts by mass of an aromatic solvent (A) with the total of the compound and the solvent being 100 parts by mass, and 0.1-10 parts by ma
8278395 Process for manufacturing modified conjugated diene polymer, composition comprising the polymer, October 2, 2012
The present invention has an object to provide a conjugated diene-based polymer, subjected to a vulcanization treatment to make a vulcanized rubber, the vulcanized rubber useful as a material for tire treads excellent in the balance among wet skid characteristics, low hysteresis loss
8268420 Wrap film made of polyvinylidene chloride-based resin and process for producing the same September 18, 2012
A wrap film having very stable physical properties wherein a sock liquid maintains the lubricating effect as an opening agent while a sock is stabilized and parison width changes and meandering are reduced to eliminate parison wrinkles is provided. Specifically, the wrap film is a wr
8268356 Aqueous film coating solution, film coated granule and tablet using the same September 18, 2012
An object of the present invention is to provide an aqueous film coating solution, and the like, which has good acid resistance and sustained release properties as well as the flexibility suitable for the tablet compression force and are highly productive and cost efficient. The aque
8263697 Heat-resistant resin composition September 11, 2012
Disclosed is a resin composition comprising an aromatic polyamide having a terminal amino group concentration of 5 to 45 .mu.moles/g inclusive, polyphenylene ether, a compatibilizing agent for the polyamide and the polyphenylene ether, and a crystal nucleating agent. The composition is
8263224 Resin composition September 11, 2012
Disclosed is a resin composition containing a hexagonal ferrite and a resin, which is characterized in that the hexagonal ferrite is contained in an amount of 50-98 parts by weight per 100 parts by weight of the total of the resin composition.
8257590 Hollow fiber membrane module, process for manufacturing the same, hollow fiber membrane module a September 4, 2012
A hollow fiber membrane module characterized by having a tubular module case; a bundle of a multiplicity of hollow fiber membranes housed in the module case; adhesively fixing parts for fixing both side edge portions of the bundle in the module case in such a fashion that raw fluid can
8237005 Method for separating and producing cyclohexene August 7, 2012
There is provided a method for separating cyclohexene comprising the steps of: (a) separating a mixed solution containing cyclohexene, cyclohexane, and benzene by distillation using N,N-dimethylacetamide as an extractant; and (b) feeding at least a portion of a first bottom liquid ob
8222348 Epoxy silicone and process for producing same, and curable mix composition using same and use th July 17, 2012
An epoxy silicon, which comprises at least a compound represented by the following general formula (1), and a compound represented by the following general formula (2); and which is represented by an average composition formula (3), wherein a value of [g/(a+b+c+d+e+f+g+h+i+j)] falls
8221789 Cellulose powder July 17, 2012
Cellulose powder having an especially excellent balance among moldability, fluidity and disintegrating property is provided. Cellulose powder having an average polymerization degree of 150-450, an average L/D (the ratio of the major axis to the minor axis) value of particles of 75 .m
8206493 Gas separation membrane June 26, 2012
Problem to be Solved: To provide a gas separation membrane having an excellent performance balance (balance between gas permeation performance and gas separation ability) as a gas separation membrane. Solution: A gas separation membrane comprising a porous support member and a gas se
8202591 Polyester resin, molded object thereof, and processes for producing these June 19, 2012
A polyethylene terephthalate resin which is obtained by melt polymerization at a reduced pressure or in an inert gas atmosphere and has the following properties (A) to (F): (A) the intrinsic viscosity [.eta.] is 0.4-2.5 Dl/g; (B) the content of carboxy groups present at polymer ends
8173755 Ultra high molecular weight ethylene copolymer powder May 8, 2012
The present invention relates to an ultrahigh-molecular-weight ethylene copolymer powder having an intrinsic viscosity (.eta.) of 10 dl/g to 34 dl/g, obtainable by copolymerizing ethylene and at least one olefin selected from the group consisting of .alpha.-olefins having 3 to 20 car
8168812 Process for producing alkyl tin alkoxide compound and process for producing carbonic acid ester May 1, 2012
The present invention provides a process for producing: a compound represented by XOR.sup.2; a dialkyl tin dialkoxide compound having one tin atom, two Sn--R.sup.1 bonds and two Sn--OR.sup.2 bonds; and/or a tetraalkyl dialkoxy distannoxane compound having one Sn--O--Sn bond, in which
8168728 Polycarbonate diol with ease of reaction stabilization May 1, 2012
A polycarbonate diol comprising repeating units represented by the following formula (A) and a terminal hydroxy group. It is characterized in that 60-100 mol % of the repeating units represented by the formula (A) are repeating units represented by the following formula (B) or (C), t
8153720 Resin composition April 10, 2012
It is intended to provide a polymer alloy including a polyphenylene sulfide resin, a polyphenylene ether resin, and a talc, which is excellent in a balance between tenacity (impact strength) and rigidity and in die wear resistance. The present invention provides a resin composition i
8153157 Porous cellulose aggregate and molding composition thereof April 10, 2012
A porous cellulose aggregate characterized by having a secondary aggregate structure resulting from aggregation of primary cellulose particles, having a pore volume within a particle of 0.265 to 2.625 cm.sup.3/g, containing I-type crystals and having an average particle size of over
8148566 Method for producing a dialkyl carbonate and a diol April 3, 2012
A method for producing a dialkyl carbonate and a diol, comprising: (a) effecting a transesterification reaction between a cyclic carbonate and an aliphatic monohydric alcohol in the presence of a transesterification catalyst, thereby obtaining a reaction mixture containing a product
8148488 (Block) polyisocyanate composition and coating composition using same April 3, 2012
Disclosed is a polyisocyanate composition which is excellent in both curability and drying characteristic. The polyisocyanate composition contains at least one compound selected from aliphatic diisocyanates, at least one compound selected from alicyclic diisocyanates and at least one
8138367 Process for production of aromatic carbonate March 20, 2012
The present invention provides a process for the production of an aromatic carbonate, comprising the steps of: continuously feeding an aliphatic carbonate represented by following general formula (1) as a starting material, an aromatic monohydroxy compound represented by following ge
8138270 Process for producing block copolymer, and block copolymer or hydrogenated product thereof March 20, 2012
The present invention provides a process for producing a block copolymer in high productivity, by anionic polymerization by use of a lithium initiator, and also to provide the block copolymer and a hydrogenated product thereof, the block copolymer having a conjugated diene block port
8137892 Photobase generator and photocurable resin composition March 20, 2012
Disclosed is a photobase generator comprising a compound having a nitrogen atom and a conjugated multiple bond.
8137800 Porous multilayered hollow-fiber membrane and process for producing the same March 20, 2012
A porous hollow fiber membrane which has high blocking performance and high water permeability suitable for filtration and the like and exhibits excellent strength, and a process for stably producing the porous hollow fiber membrane are disclosed. The process utilizes a hollow fiber mold
8133834 Oxidation catalyst March 13, 2012
An oxidation catalyst for use in the oxidation of a substrate with a molecular oxygen, comprising at least one member selected from the group consisting of a specific hydrazyl radical (such as 2,2-diphenyl-1-picrylhydrazyl) and a specific hydrazine compound (such as 2,2-diphenyl-1-pi
8133459 Method for purifying aqueous alkaline solution March 13, 2012
A method for purifying an aqueous alkaline solution, which comprises: bringing a fibrous activated carbon into contact with an aqueous alkaline solution to remove a metal component other than alkali metals and alkaline earth metals from the aqueous alkaline solution.
8133344 Process for production of hollow-fiber membrane bundles March 13, 2012
The present invention relates to a method of producing a hollow fiber membrane bundle having an end fixed with a casting material wherein the ends of hollow fiber membranes are fixed with the casting material in a condition that an insert is placed inside a hollow fiber membrane bundle
8126582 Medicine trial production supporting system February 28, 2012
A computer system (100), an ingredient manufacturer system (200), and composition manufacturers can be connected online, and a system of the ingredient manufacturer obtains composition information from a system (300), and provides it for the system (100). At this time, an estimated p
8124694 Mold releasing film for printed circuit board production February 28, 2012
The present invention relates to a mold releasing film for printed circuit board production, which comprises a resin layer (P) containing (A) a polyphenylene ether-based resin in an amount of 50 wt % or more. According to the present invention, it is possible to provide a mold releas
8114566 Photosensitive resin composition for flexographic printing February 14, 2012
There is provided a photosensitive resin composition for a solvent-developing or thermally-developing flexographic printing plate, the photosensitive resin composition comprising: (a) a block copolymer containing a polymer block having conjugated diene as a main component and a polym
8110289 Sintered body, resin particles and method for producing the same February 7, 2012
An adsorptive body is provided which is high in water permeation and gas permeation and can adsorb, concentrate, separate and remove components present in extremely small amounts in a liquid or gas without causing the dissolution of impurities. The present invention relates to a sintered
8106238 Method for producing glycolic acid January 31, 2012
Provided is a production method of glycolic acid having a first step of preparing glycolonitrile from formaldehyde and hydrocyanic acid and a second step of hydrolyzing the glycolonitrile into glycolic acid directly or via a glycolate salt, which method can produce glycolic acid in easy
8106130 Modified conjugated diene polymer and process for producing thereof January 31, 2012
A modified conjugated diene polymer comprises a modifying group based on a low molecular weight compound having two or more tertiary amino groups and one or more alkoxysilyl groups in a molecule which bonds to a conjugated diene polymer obtained by polymerization of a conjugated diene
8106100 Process for producing tablet by high-speed direct compression January 31, 2012
A process for producing a tablet characterized by performing high-speed direct compression with a moving speed of a pestle of 800 mm/s or more while compressing a powder which contains at least 15 to 80% by mass of cellulose, an active ingredient and a lubricant and has an angle of r
8104625 Microporous membrane made of polyolefins January 31, 2012
A microporous membrane made of polyolefins which comprises polyethylene (PEA) 8-60 wt. % of which is accounted for by components having a molecular weight of 10,000 or lower and in which the ratio of the weight-average molecular weight (Mw) to the number-average molecular weight (Mn)
8097161 Wastewater treatment method January 17, 2012
The present invention provides a method that allows solid-liquid separation of activated sludge and a treated liquid to be carried out stably and efficiently by suitably evaluating the risk of clogging prior to membrane clogging and adopting necessary and adequate countermeasures. Th
8093437 Industrial process for production of diol January 10, 2012
The invention provides an apparatus and process for producing a diol by taking a cyclic carbonate and an aliphatic monohydric alcohol as starting materials, continuously feeding the starting materials into column A, carrying out reactive distillation in column A, continuously withdrawing
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