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Mitsubishi Gas Chemical Company, Inc. Patents
Assignee:
Mitsubishi Gas Chemical Company, Inc.
Address:
Tokyo, JP
No. of patents:
1113
Patents:












Patent Number Title Of Patent Date Issued
8586766 Method for producing episulfide compound November 19, 2013
A problem to be solved by the present invention is to provide an episulfide compound efficiently from an epoxy compound with no need of a measure against odor or corrosion, or a neutralization step. The present invention solved the above-described problem by a method for producing an
8586289 Aromatic hydrocarbon resin and composition for forming underlayer film for lithography November 19, 2013
The aromatic hydrocarbon resin can be used as a coating material and a resist resin for a semiconductor, and has a high carbon concentration and a low oxygen concentration. A composition for forming an underlayer film for lithography that has excellent etching resistance as an underlayer
8585860 Bendable polycarbonate resin laminate, optically transparent electromagnetic wave shield laminat November 19, 2013
The present invention provides a method for manufacturing a laminate, comprising the steps of laminating two or more layers of polycarbonate resin film and/or sheet using a (meth)acrylate-based adhesive composition containing a (A) (meth)acrylate monomer, a (B) meth(acrylate) olygomer,
8580913 Polyimide resin November 12, 2013
A polyimide resin which is satisfactory in solvent solubility and heat resistance, has a low coefficient of water absorption and is excellent in adhesive properties and a method for manufacturing the same, a film containing the subject polyimide resin and a metal-clad laminate includ
8575293 Resin composition for optical material and optical material using the same November 5, 2013
According to the present invention, a resin compound for optical material, comprising (a) an episulfide compound represented by a specific structural formula, (b) a xylylenedithiol compound and (c) a xylylenediisocyanate compound can be provided. In a preferable embodiment of the pre
8575277 Process for production of nucleus-hydrogenated aromatic vinyl/(meth)acrylate copolymers November 5, 2013
A safe and stable production method of a hydrogenated polymer having high transparency, which is a production method of a hydrogenated polymer by hydrogenating aromatic rings of an aromatic vinyl compound-(meth)acrylate copolymer, in which (1) a solvent solution of the copolymer is added
8575190 Method of preventing or ameliorating psoriasis using pyrroloquinoline quinone compounds November 5, 2013
The present invention provides a method for preventing or ameliorating skin psoriasis by applying as an active ingredient, a compound represented by general formula (I) or a salt thereof: ##STR00001## (wherein R.sub.1, R.sub.2, and R.sub.3 simultaneously or separately represent a lo
8574799 Electrophotographic photoreceptor November 5, 2013
This invention provides an electrophotographic photoreceptor having improved resistance to soiling by a human body-derived substance and a high image stability. The electrophotographic photoreceptor comprises an electroconductie substrate and a photosensitive layer provided on the su
8569404 Polyamide resin composition and molded article October 29, 2013
Disclose is a polyamide resin composition having excellent heat resistance, heat aging resistance and mechanical physical properties, which is produced by incorporating a specified aromatic secondary amine compound and a specified organic sulfur based compound into a polyamide compos
8563665 Modified naphthalene formaldehyde resin, tricyclodecane skeleton-containing naphthol compound an October 22, 2013
A modified dimethylnaphthalene formaldehyde resin obtained by modifying a polyfunctional dimethylnaphthalene formaldehyde resin having a constituent unit represented by the following general formula [1] in a molecule thereof with at least one member selected from the group consisting
8562855 Silicon etching liquid and etching method October 22, 2013
In etching processing of silicon, in particular anisotropic etching processing of silicon in a manufacturing step of MEMS parts, an etching liquid having a long life of etching liquid and an etching method are provided by suppressing a lowering of an etching rate at the time of warmi
8297832 Process for producing polyamide October 30, 2012
A process for producing polyamide which comprises directly melt polymerizing a diamine component, which comprises 70% by mole or more of xylylenediamine comprising 20% by mole or more of para-xylylenediamine, and a dicarboxylic acid component in the substantial absence of solvents in
8293371 Polyimide resin, polyimide film, and polyimide laminate October 23, 2012
A polyimide resin composed of a repeating unit represented by the following formula (1): ##STR00001## or composed of the repeating unit represented by the formula (1) and at least one repeating unit represented by the following formula (2): ##STR00002## wherein X is the same as d
8283433 Polycarbonate resin and electrophotographic photosensitive body using the same October 9, 2012
The present invention is directed to a polycarbonate resin comprising a structural unit represented by the following general formula (I), wherein the structural unit of general formula (I) occupies 5 to 100 mol % relative to all the structural units, and the limiting viscosity of the
8273456 Two-part thermocurable polyimide resin composition and cured product thereof September 25, 2012
It relates to a highly heat resistant thermosetting polyimide resin composition that is cured at a temperature of 150.degree. C. or less, and provides a cured product that generates a less amount of decomposed gas even under heating to 250.degree. C., and has flexibility and adhesive
8273431 Polyamide resin composition September 25, 2012
A polyamide resin composition contains a resin component containing at least a polyamide (X) and a fatty acid metallic salt having from 10 to 50 carbon atoms, and contains arbitrarily an additive (A) and/or an additive (B). The polyamide (X) is obtained through melt polycondensation of a
8268123 Process for producing bleached pulp September 18, 2012
Provided are a method for producing bleached pulp, comprising processing unbleached pulp obtained by cooking a lignocellulose substance, for alkali-oxygen bleaching followed by treatment with peroxomonosulfuric acid and thereafter by multistage chlorine-free bleaching treatment start
8247605 Method of replacing dispersion medium August 21, 2012
A method of replacing a first dispersion medium in a starting slurry composed of the first dispersion medium and isophthalic acid crystals with a second dispersion medium. The starting slurry is tangentially fed to a vertically extending cylindrical portion of a cyclone-shaped nozzle
8247604 Method of replacing dispersion medium August 21, 2012
A method of replacing a first dispersion medium in a starting slurry composed of the first dispersion medium and a terephthalic acid crystal with a second dispersion medium. The starting slurry is tangentially fed to a vertically extending cylindrical portion of a cyclone-shaped nozzle
8246875 Process and apparatus for producing thermoplastic resin pellets August 21, 2012
An object of the present invention is to provide a process for producing thermoplastic resin pellets, which realizes production of pellets of uniform shape. Another object of the present invention is to provide an apparatus for producing the thermoplastic resin pellets. The invention
8242304 Process for production of isophthalic acid August 14, 2012
A method for producing isophthalic acid, comprising: subjecting a m-phenylene compound and a molecular-oxygen-containing gas to liquid-phase oxidation reaction in the presence of a catalyst comprising a heavy metal compound and a bromine compound, and hydrous acetic acid having a w
8236982 Process for production of terephthalic acid August 7, 2012
A method for producing terephthalic acid comprising: subjecting a p-phenylene compound to a liquid-phase oxidation reaction by the use of a molecular-oxygen-containing gas in the presence of a catalyst at least containing a heavy metal compound and a bromine compound, and hydrous a
8236275 Process for producing carbon material and alkali activation apparatus August 7, 2012
Provided is a production process for a carbon material comprising an alkali activation reaction step in which a carbon precursor containing an activator selected from alkali metal compounds is heated under flow of inert gas. The above alkali activation reaction is carried out while a
8233225 Optical lens July 31, 2012
An optical lens is obtained by injection-molding a polyester resin containing a diol unit containing from 40 to 99% by mol of a unit derived from ethylene glycol and from 1 to 60% by mol of a unit derived from a diol having from 3 to 16 carbon atoms, and a dicarboxylic acid unit cont
8212080 Production method of xylylenediamine July 3, 2012
A method of producing xylylenediamine by the hydrogenation of dicyanobenzene obtained by the ammoxidation of xylene in a high yield while prolonging the catalyst life. In the method, a molten dicyanobenzene from which compounds having a boiling point lower than that of dicyanobenzene
8202515 Method of producing dry yeast containing S-adenosyl-L-methionine and composition for oral intake June 19, 2012
A method for producing a dry yeast containing S-adenosyl-L-methionine using a yeast having production capability of S-adenosyl-L-methionine, in which a yeast cell concentrate separated from a cell culture liquid of the yeast is subjected to at least one treatment of (1) a treatment of
8198475 Method for producing adamantyl (meth)acrylates June 12, 2012
The present invention provides an efficient production method suitable to industrial-scale production not requiring column purification for adamantyl (meth)acrylates having an adamantine skeleton having utility in crosslinked resins, optical fibers, optical waveguides, optical disc s
8198362 Damping material and method for production thereof June 12, 2012
Provided is a vibration damping material comprising: a polyester resin containing dicarboxylic acid constitutional units and diol constitutional units; and mica being dispersed in the polyester resin, wherein: (1) a ratio [(A.sub.1+B.sub.1)/(A.sub.0+B.sub.0)] of a total of (A.sub.1) a
8188326 Process for producing adamantane May 29, 2012
A method for producing adamantane by performing an isomerization reaction in two stages using endo-tetrahydrodicyclopentadiene and/or exo-tetrahydrodicyclopentadiene as a starting material, wherein in a first-stage isomerization reaction from endo-tetrahydrodicyclopentadiene (tricycl
8187710 Insulated ultrafine powder, process for producing same and resin composite material with high di May 29, 2012
There are disclosed insulated ultrafine powder comprising electroconductive ultrafine powder which is in the form of sphere, spheroid or acicular each having a minor axis in the range of 1 to 100 nm and an insulating film applied thereto; a process for producing the same which is cap
8184035 Insulated ultrafine powder and high dielectric constant resin composite material May 22, 2012
The present invention provides an insulated ultrafine powder containing electrically conductive ultrafine particles coated with an insulation coating, characterized in that the electrically conductive ultrafine particles are formed of a carbon material which is in the form of spheric
8178725 Method of separating and collecting optically active amino acid amide May 15, 2012
A method for efficiently separating and collecting an optically active amino acid amide and an optically active amino acid from an aqueous solution containing the optically active amino acid amide and the optically active amino acid includes separating and collecting an optically act
8178716 Method of crystallization May 15, 2012
The present invention relates to a multi-stage crystallization process which comprises the steps of feeding a solution of terephthalic acid or a slurry (raw slurry) containing terephthalic acid partially precipitated to a first crystallization vessel to precipitate the terephthalic acid
8178627 Oxymethylene copolymer composition for stretching material, stretching material, structures, and May 15, 2012
Provided is an oxymethylene copolymer composition for a stretched material having a high strength and a high elastic modulus, the composition including: an oxymethylene copolymer; and a crosslinkable compound to be blended with the oxymethylene copolymer in an amount of 0.001 to 0.05
8173806 Method for production of quinazolin-4-one derivative May 8, 2012
In reacting an anthranilic acid derivative represented by the general formula (1), especially the anthranilic acid derivative selected from anthranilic acid, anthranilamide and anthranilate, with formamide, the reaction is attained under the condition of coexistence of acetic acid an
8173720 Transparent gel and contact lense from the same May 8, 2012
A transparent gel is disclosed which has an interpenetrating polymer network of a copolymer containing a polysiloxane structure and a polycarbonate structure and a hydrophilic polymer obtained by polymerizing a hydrophilic monomer. The transparent gel is useful as a cultivation subst
8171705 Method for filling into multilayer bottle May 8, 2012
There is provided a method for filling a multilayer bottle including outermost and innermost layers and at least one barrier layer interposed between the outermost and innermost layers, with a material to be stored therein. In the filling method, the material to be stored is filled in
8168819 Process for production of 5-phenylisophthalic acid May 1, 2012
The present invention provides an industrially advantageous process for producing 5-phenylisophthalic acid, which process attains excellent selectivity and yield and also realizes recovery and reuse of a catalyst. The process for producing 5-phenylisophthalic acid represented by formula
8168277 High barrier laminated body May 1, 2012
A laminated body having a thermoplastic resin layer (I) and a polyamide resin layer (II) which is made of nylon 11 and/or nylon 12. The thermoplastic resin layer (I) includes 100 parts by weight of a polyamide resin composition (A) and 0.1 to 10 parts by weight of a carbodiimide comp
8168079 Solid oxygen scavenger composition and process for producing the same May 1, 2012
A molded oxygen absorbent composition and a process of producing the molded oxygen absorbent composition are disclosed. The molded oxygen absorbent composition is composed of a molded product of an oxygen absorbent composition which contains an oxygen absorbing substance, water or mo
8148348 Method of stabilizing S-adenosyl-L-methionine and stabilized composition April 3, 2012
Provided are a process for producing a S-adenosyl-L-methionine-containing composition which is very excellent in a stability by adding at least ascorbic acids or salts thereof to a composition liquid containing S-adenosyl-L-methionine and then drying the above composition liquid or s
8137876 Electrophotographic photoreceptor belt March 20, 2012
An electrophotographic photoreceptor which is excellent in wear resistance and crack resistance and has a long photoreceptor lifetime can be produced by using a polycarbonate resin composition prepared by blending 100 parts by weight of a polycarbonate resin with 0.01 to 5 parts by w
8128782 Amine epoxy resin curing agent, gas barrier epoxy resin composition comprising the curing agent, March 6, 2012
The present invention provides an amine based epoxy resin curing agent and an epoxy resin composition containing the curing agent. The epoxy resin composition has a high gas barrier performance, a long pot life, and utility as a coating material or an adhesive for laminates. The amine
8124825 Method of purifying 2,7-dimethylnaphthalene February 28, 2012
To provide a method of purifying 2,7-dimethylnaphthalene comprising the step of bringing a raw oil containing a mixture of 1,7-dimethylnaphthalene and 2,7-dimethylnaphthalene together with a developing solvent into contact with L-type zeolite to thereby effect adsorption of 1,7-dimet
8124204 Multi-layered bottle February 28, 2012
There is provided a multilayer bottle comprising a barrel portion including an outermost layer, an innermost layer and at least one barrier layer interposed between the outermost layer and the innermost layer, which satisfies the requirements represented by the following formulae (1)
8119556 Production method of primary amines and catalysts for producing primary amines February 21, 2012
A method of producing a primary amine by the hydrogenation of a nitrile in the presence of a hydrogenation catalyst. The hydrogenation catalyst contains at least one metal selected from the group consisting of nickel, cobalt and iron. Before use in the hydrogenation of nitrile, the h
8110652 Polyimide resin February 7, 2012
A polyimide resin which is soluble in an organic solvent and which has a low coefficient of water absorption, thermosetting properties, high heat resistance and excellent adhesive properties, a method for manufacturing the same, an adhesive and a film each containing the subject polyimid
8110603 Organic peracid polymer composition and process for producing the same February 7, 2012
It is intended to provide an organic peracid polymer composition which is stable, odorless and has sufficient water solubility and is suitably used as a bactericide, a bleaching agent and a cleaning agent. By mixing and dissolving an organic acid polymer, hydrogen peroxide and an inorgan
8110334 Radiation-sensitive composition February 7, 2012
A radiation-sensitive composition containing a resist compound having a high sensitivity, a high resolution, a high etching resistance, and a low outgas which forms a resist pattern with a good shape is described. Further described is a method of forming a resist pattern using the ra
8097635 Insulin resistance improving agent January 17, 2012
An object of the present invention is to provide a safe and highly effective insulin resistance improving agent or therapeutic agent for type II diabetes. According to the present invention, an insulin resistance improving agent or a therapeutic agent for type II diabetes comprising

 
 
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