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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
6967258 Production of quaternary ammonium salt of hydroxycarboxylic acid and quaternary ammonium salt of November 22, 2005
A quaternary ammonium hydroxycarboxylate is produced by quaternizing a tertiary amine with a hydroxycarboxylic ester represented by the following Formula 1: ##STR1##wherein R.sup.1 to R.sup.3 are as defined in the disclosure. By using only one tertiary amine having at least one subst
6967013 Process for producing aligned carbon nanotube films November 22, 2005
A process for producing aligned carbon nanotube films, wherein a carbon compound is decomposed using a substrate that is coated with an element having no catalytic ability by itself and which loads a metallic element having catalytic ability or a compound thereof, thereby forming a film
6966947 Crystallization process and apparatus therefor November 22, 2005
A crystallization process comprising introducing a solution or a slurry formed by incomplete crystallization of a solute into a crystallization tank, crystallizing the solute in the crystallization tank, forming a slurry comprising crystals and a solvent and discharging the formed slurry
6962756 Transparent electrically-conductive film and its use November 8, 2005
A transparent electrically-conductive film comprising a substrate made of an aliphatic polyimide having a repeating unit of the formula [I] and a transparent electrically-conductive thin film layer, the transparent electrically-conductive thin film layer being provided on the substrate,
6962744 Bifunctional phenylene ether oligomer, its derivatives, its use and process for the production t November 8, 2005
A bifunctional phenylene ether oligomer of the formula (1), obtained by oxidation polymerization of a bivalent phenol of the formula (2) and a monovalent phenol of the formula (3), ##STR1## (wherein --X-- is represented by the formula (2'), ##STR2##and Y--O-- is represented by the
6962743 Biaxially stretched film and production method thereof November 8, 2005
The biaxially stretched film of the present invention comprises a polyamide resin composition (C) obtained by melt-kneading a smectite (B) with a polyamide (A) produced by the polycondensation of a diamine component containing 70 mol % or higher of m-xylylenediamine and a dicarboxylic ac
6927306 Process for producing hydrogenated aromatic polycarboxylic acid and process for producing hydrog August 9, 2005
Disclosed are processes for industrially advantageously producing at a good yield respectively, a hydrogenated aromatic polycarboxylic acid and an acid anhydride thereof each having a high purity. The present invention provides processes for producing a hydrogenated aromatic polycarboxyl
6926881 Process for producing hydrogen-containing gas August 9, 2005
There is disclosed a process for producing a hydrogen-containing gas, which comprises reacting methanol, steam and oxygen in the presence of (1) a catalyst comprising platinum and zinc oxide, wherein the content of the platinum is in the range of 5 to 50% by weight based on the total amo
6916458 Process for producing hydrogen-containing gas July 12, 2005
There is disclosed a process for producing a hydrogen-containing gas, which comprises reacting methanol, steam and oxygen in the presence of a catalyst comprising palladium, zinc and at least one metal selected from the group consisting of chromium, gallium, copper, indium, bismuth and
6908982 Amino composition and process for producing the same June 21, 2005
An object of the present invention is to provide an amino composition which provides, when used as a curing agent for epoxy resin, a long pot life and an excellent appearance of a coating film to an epoxy resin composition without deteriorating the reactivity of the composition. The amin
6894192 Process for production of xylylenediamine May 17, 2005
In the process of the present invention for producing a xylylenediamine by a liquid-phase hydrogenation of a dicyanobenzene in the presence of a catalyst, the catalyst having its activity decreased during the course of use in the hydrogenation is reactivated and a pressure drop through a
6894080 Method of manufacturing methanol May 17, 2005
A method of manufacturing methanol comprises producing a synthesis gas, recovering carbon dioxide from combustion exhaust gas by a carbon dioxide recovery apparatus provided with a carbon dioxide absorption tower and a carbon dioxide-absorbing solution regenerating tower, feeding the car
6888023 Process for producing pyromellitic acid May 3, 2005
A process for producing pyromellitic acid which comprises oxidizing 2,4,5-trimethylbenzaldehyde and/or its oxidized derivative in the presence of a catalyst containing iron, manganese and bromine, or additionally containing zirconium or cerium continuously or semi-continuously using
6887966 Gas-barrier polyurethane resin, and adhesive for laminate, gas-barrier film and paint containing May 3, 2005
The polyurethane resin produced by reacting a component composed mainly of an active hydrogen-containing compound with a component composed mainly of an organic polyisocyanate compound which contains a backbone structure represented by the formula: ##STR1##in an amount of 25% by weig
6884366 Process for producing oxygen absorbing polyamide resin composition and oxygen absorbing polyamid April 26, 2005
In the process for producing an oxygen absorbing polyamide resin composition of the present invention, a diamine component containing 70 mol % or higher of m-xylylenediamine is polycondensed with a dicarboxylic acid component containing 50 mol % or higher of adipic acid in the presen
6881866 Process for production of polyalkyl-substituted aromatic aldehyde April 19, 2005
In the process of the present invention, a polyalkyl-substituted aromatic aldehyde is produced by the formylation of a corresponding polyalkyl-substituted aromatic compound with carbon monoxide in the presence of hydrogen fluoride/boron trifluoride catalyst. By limiting the amount of
6881864 Production method of xylylenediamine April 19, 2005
In the method of the present invention, xylylenediamine is produced by a two-stage hydrogenation of a dicyanobenzene compound. In a first stage (a), the hydrogenation is performed until a conversion of nitrile groups reaches 90 mol % or higher and less than 99.9 mol %. In a second stage
6875794 Method of manufacturing methanol April 5, 2005
A method of manufacturing methanol comprising producing a synthesis gas containing hydrogen, carbon monoxide and carbon dioxide, allowing reaction of the synthesis gas to take place over a catalyst to produce a crude methanol, separating the crude methanol into unreacted gas and liquid
6875288 Cleaning agent and cleaning method April 5, 2005
The cleaning agent described above comprises a surfactant and an organic solvent, and the cleaning method described above is characterized by allowing the cleaning agent described above to flow on the surface of the material to be treated at a high speed to thereby clean the above surfac
6866919 Heat-resistant film base-material-inserted B-stage resin composition sheet for lamination and us March 15, 2005
The present invention relates to a heat-resistant film base-material-inserted B-stage resin composition sheet for producing a multilayer printed wiring board which is excellent in copper adhesive strength, heat resistance and insulating reliability particularly in the Z direction and
6866450 Entry sheet for drilling and method for drilling hole March 15, 2005
An entry sheet for drilling for a printed wiring board material, which comprises a water-soluble resin (A) and a water-insoluble lubricant (B) as essential components, an entry sheet for drilling for a printed wiring board material, which sheet comprises a metal foil having a thicknes
6861147 Gas barrier film having excellent flexibility March 1, 2005
Provided is a gas barrier film in which in coating or laminating a single layer film or a multiplayer film comprising at least one (a) thermoplastic resin layer on which an inorganic compound is vapor deposited or (b) layer comprising metal foil, wherein 40% by weight or more of a skelet
6849522 Method of press-working inorganic substrate and press machine therefor February 1, 2005
A method of press-working an inorganic substrate, which method uses a vacuum press machine having an air plunger type pressurization system and comprises bringing upper and lower heat plates which have been heated up to a predetermined temperature into contact with a combination set
6843981 Tooth bleaching compositions and methods of bleaching discolored tooth January 18, 2005
The bleaching compositions of discolored teeth comprise titanium dioxide initiating photocatalyst action with light irradiation, chemical compounds generating hydrogen peroxide in an aqueous solution and thickening agents. Further the bleaching methods of discolored teeth comprising appl
6843040 Iron powder-based oxygen-absorbing package and production method thereof January 18, 2005
The oxygen-absorbing package of the present invention is produced by packaging an oxygen-absorbing composition comprising, as an effective component, an iron powder containing a fine iron powder passing through a 200-mesh standard sieve in an amount of 5% by weight or less by an air-
6841651 Polyamide resin January 11, 2005
The polyamide resin of the present invention is produced by polycondensation of a diamine component comprising 70 mol % or more of m-xylylenediamine and a dicarboxylic acid component comprising 70 mol % or more of a C4-C20 .alpha., .omega.-straight-chain aliphatic dicarboxylic acid i
6835852 Process for producing trimellitic acid December 28, 2004
A process for producing trimellitic acid which comprises step A for oxidizing pseudocumene, thereby obtaining a reaction mixture comprising dimethyl benzoic acid, dimethyl benzyl alcohol, and dimethyl benzaldehyde, step B for separating dimethyl benzoic acid, dimethyl benzyl alcohol and
6835786 (Meth)acrylate compound and cured product thereof December 28, 2004
There are provided a polyfunctional (meth)acrylate compound which has the excellent properties of polyphenylene ether and is excellent in heat resistance and electric characteristics and excellent in reactivity by introducing a polyfunctional (meth)acrylate group into a bifunctional
6835785 Polyphenylene ether oligomer compound, derivatives thereof and use thereof December 28, 2004
The present invention provides a bifunctional phenylene ether oligomer compound having a thermosetting functional group at each terminal, an epoxy resin containing the above oligomer compound and a use thereof. That is, it provides a sealing epoxy resin composition for sealing an electri
6835427 Optically active compound and liquid crystal composition containing the compound December 28, 2004
An optically active compound containing 5,5',6,6',7,7',8,8'-octahydro-1,1'-bi-2-naphthol of the general formula (1) as an asymmetric source, ##STR1##wherein n is an integer of 1 to 10, Y is a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, a phenyl group, a phenyl group sub
6828015 Composite containing thin-film particles having carbon skeleton, method of reducing the thin-fil December 7, 2004
There are provided a composite which is formed of a component (a) or a component (b) and a component (c), or the component (a) or the component (b) and a component (d), and is suitable for various uses such as an electrically-conductive material, (a) oxidized form thin film particles
6821594 Oxygen-absorbing label November 23, 2004
The oxygen-absorbing label of the present invention has a laminated structure successively comprising a base layer having a release adhesive layer on its surface, an oxygen-absorbing sheet made from an oxygen-absorbing resin comprising a thermoplastic resin and an oxygen absorbent bl
6812260 Method of conducting an exothermic reaction November 2, 2004
A reactor comprises a plurality of triple tubes having reaction tube, inner tube and central tube and disposed in a main body of the reactor, a first supply port formed in the main body and communicated with the central tube, and a second supply port formed in the main body and communica
6806224 Process for producing a supported metal catalyst October 19, 2004
A process for producing a supported metal catalyst which comprises reducing a metal halide in the liquid phase in the presence of a support material, an organic base and a reducing agent. In accordance with the process, the supported metal catalyst which comprises a metal component suppo
6797383 Synthetic resin laminate having both polarization characteristic and photochromism characteristi September 28, 2004
A synthetic resin laminate having both phtochromism characteristic and polarization characteristic consisting essentially of two transparent synthetic resin layers, a resin layer having phtochromism characteristic and a resin layer having polarization characteristic interposed between
6794481 Bifunctional phenylene ether oligomer, its derivatives, its use and process for the production t September 21, 2004
A bifunctional phenylene ether oligomer of the formula (1), obtained by oxidation polymerization of abivalent phenol of the formula (2) and a monovalent phenol of the formula (3),
6790928 Process for producing polycarbonates September 14, 2004
100 parts by weight of the polycarbonate produce by melt polycondensation of a carbonic acid diester and a dihydroxy compound and 0.0001 to 0.1 part by weight of a phosphite compound represented by following Formula (I) are formulated: ##STR1##wherein Rs are each one of a hydrogen at
6784317 Production of quaternary ammonium salt of hydroxycarboxylic acid and quarternary ammonium salt o August 31, 2004
A quaternary ammonium hydroxycarboxylate is produced by quaternizing a tertiary amine with a hydroxycarboxylic ester represented by the following Formula 1: ##STR1##wherein R.sup.1 to R.sup.3 are as defined in the disclosure. By using only one tertiary amine having at least one subst
6777528 Process for producing polycarbonate resin August 17, 2004
A process for producing a polycarbonate resin which comprises performing melt polycondensation of pentacyclopentadecanedimethanol or pentacyclopentadecanedimethanol and diol with carbonic acid diester in the presence of a catalyst containing at least one compound selected from the gr
6777372 Method for producing hydrocyanic acid synthesis catalyst August 17, 2004
A method for producing a hydrocyanic acid synthesis catalyst is disclosed which comprises sequential exposure of an iron surface, such as, for example, pig iron, to sequential oxidative and reductive atmospheres, preferably using repetitive cycles, the oxidative atmosphere preferably
6753352 Method for manufacturing synthesis gas and method for manufacturing methanol June 22, 2004
There is disclosed a method of manufacturing a synthesis gas comprising reacting hydrocarbons with water vapor in a reformer to produce a synthesis gas containing hydrogen, carbon monoxide and carbon dioxide, recovering carbon dioxide from combustion exhaust gas which has been discha
6753300 Lubricant sheet for making hole and method of making hole with drill June 22, 2004
A lubricant sheet for making a hole used for a printed circuit board, comprising an organic substance layer having a thickness of 0.02 to 3.0 mm and formed of a mixture (a) or a mixture (b) and a metal foil having a thickness of 0.05 to 0.5 mm, said organic substance layer being forme
6750422 Method of making through hole with laser, copper-clad laminate suitable for making hole, and aux June 15, 2004
A method of making a small-diameter through hole having high reliability with regard to a hole wall at a high rate with the energy of a high-output carbon dioxide gas laser without pre-making any hole in a copper foil, forming or disposing a coating or a sheet of an organic substance
6750318 Polyamide resins and process for producing the same June 15, 2004
The polyamide resin of the present invention is produced by the polycondensation of a dicarboxylic acid component and a diamine component containing xylylenediamine and bisaminomethylcyclohexane in a total amount of 70 mol % or higher. The polyamide resin contains impurities having a
6746772 Oxygen-absorbing multi-layer film June 8, 2004
There is disclosed an oxygen-absorbing multi-layer film which comprises an outer layer comprising a thermoplastic resin; an adhesive layer comprising an epoxy resin; an oxygen-absorbing layer comprising a thermoplastic resin and an iron based oxygen-absorbing agent incorporated therein;
6740376 Polyester based resin composition and molded product therefrom May 25, 2004
There is disclosed A polyester based resin composition (D) which comprises a polyamide resin (A) and a polyester resin (B), or a polyamide resin (A), a polyester resin (B) and a polyethylene terephthalate resin (C), characterized in that the polyester resin (B) is obtained by polycon
6736988 Copper-clad board suitable for making hole with carbon dioxide laser, method of making hole in s May 18, 2004
A copper-clad board suitable for making a hole with a carbon dioxide gas laser, which copper-clad board is obtained by disposing a double-side-treated copper foil provided with a metallic-treatment layer having a high absorption rate of a carbon dioxide gas laser energy on at least o
6733853 Polyester-based resin composition and shaped articles May 11, 2004
The polyester-based resin composition of the present invention comprises a melt blend (C) consisting of a polyamide resin (A) and a polyester resin (B). The polyester-based resin composition satisfies the following formulas 1 and 2:wherein P is a concentration, ppm, of a phosphorus compo
6730578 Separating machine for thinned semiconductor substrate and separation method May 4, 2004
A separating machine for separating a thinned semiconductor substrate from a holding substrate after a semiconductor substrate is bonded to the holding substrate with a thermoplastic resin and a back surface treatment including the thinning of the semiconductor substrate is carried out.
6730371 Optically active compound and liquid crystal composition containing the compound May 4, 2004
An optically active compound of the following general formula (1) useful as a chiral dopant, and use thereof, ##STR1##wherein each of X and Y is independently a hydrogen atom or a fluorine atom, R is (C.sub.2 H.sub.5).sub.2 CHCH.sub.2 C*H(CH.sub.3)-- or Ph--C*H(CH.sub.3)--, A is --Ph

 
 
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