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Nippon Kayaku Kabushiki Kaisha patents


Recent patent applications related to Nippon Kayaku Kabushiki Kaisha. Nippon Kayaku Kabushiki Kaisha is listed as an Agent/Assignee. Note: Nippon Kayaku Kabushiki Kaisha may have other listings under different names/spellings. We're not affiliated with Nippon Kayaku Kabushiki Kaisha, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nippon Kayaku Kabushiki Kaisha-related inventors


Pharmaceutical composition comprising rapamycin or derivative thereof, and method for producing the same

It is an object of the present invention to provide a pharmaceutical composition which can suppress a reduction in the content of an active ingredient caused by oxidation or decomposition of the rapamycin or a derivative thereof, can ensure long-term stability, and has high safety. The present invention provides a pharmaceutical composition comprising (a) rapamycin or a derivative thereof and (b) trehalose, and a method for producing a pharmaceutical composition comprising rapamycin or a derivative thereof, which comprises adding a solution containing rapamycin or a derivative thereof to sugars having a critical relative humidity at 25° c. ... Nippon Kayaku Kabushiki Kaisha

Ced of sn-38-loaded micelles against brain tumor

The present invention discloses a method for administering sn-38-loaded polymeric micelles into the central nervous system of a human subject via a convection-enhanced delivery system. The convection-enhanced delivery is achieved by using an osmotic pump or an infusion pump. ... Nippon Kayaku Kabushiki Kaisha

Catalyst for production of conjugated diolefin and method for producing same

A supported molded catalyst having increased hardness, the supported molded catalyst being capable of improving the long-term stability of a reaction for producing a conjugated diolefin by catalytic oxidative dehydrogenation from a mixed gas including a monoolefin having 4 or more carbon atoms and molecular oxygen; and a method for producing the catalyst is provided. A molded catalyst for conjugated diolefin production, the molded catalyst being a catalyst for producing a conjugated diolefin by a catalytic oxidative dehydrogenation reaction from a mixed gas including a monoolefin having 4 or more carbon atoms and molecular oxygen, and being produced by molding a composite metal oxide and a glass fiber-like inorganic auxiliary agent.. ... Nippon Kayaku Kabushiki Kaisha

Method for producing unsaturated aldehyde and/or unsaturated carboxylic acid

Provided is a method for producing an unsaturated aldehyde and/or an unsaturated carboxylic acid, which enables one to achieve an operation stably over a long period of time while improving an effective yield, even in a high-load reaction, and in the method for producing an unsaturated aldehyde and/or an unsaturated carboxylic acid, multilayer filling of stacking two or more catalyst layers each containing a complex metal oxide catalyst in the axial direction of the tube under specified conditions is performed, and the catalyst layer on the most gas outlet side in the tube axis contains a catalyst containing a compound represented by a specified formulation formula.. . ... Nippon Kayaku Kabushiki Kaisha

Pigment dispersion liquid containing organic color pigment and infrared absorbing dye, colored resin composition, and optical filter

The present invention addresses the problem of providing: a pigment dispersion liquid with which an optical filter layer having the functions of both a color filter and a near-infrared cut filter can be formed by performing a development step once, and with which a thin filter achieved by using a single-layer configuration instead of a conventional two-layer configuration can be fabricated; and a colored resin composition containing the pigment dispersion liquid. The present invention provides a pigment dispersion liquid containing one or more organic color pigments selected from the group consisting of pigment red, pigment green, pigment blue, pigment yellow, and pigment violet, an infrared absorbing dye having a maximum absorption wavelength in a wavelength range of 750-2000 nm, and an oil-soluble organic solvent or an aqueous medium, and a colored resin composition containing the dispersion liquid.. ... Nippon Kayaku Kabushiki Kaisha

Novel platinum (iv) complex

According to the present invention, there is a demand for novel platinum(iv) complex which has sufficient water-solubility, stability, antitumor activity, and the like that are required as a medicine, and may be used clinically. Thus, provided is a platinum(iv) complex represented by the following general formula (i) [wherein x1 and x2 each represent a halogen atom or are bonded together to form a dicarboxylate selected from the group consisting of oxalate, malonate, succinate, and o-phthalate; and y represents a halogen atom.. ... Nippon Kayaku Kabushiki Kaisha

Gas generator

A gas generator includes a partition portion, a cylindrical portion, and a separation wall portion which divide a space in a housing into a first combustion chamber, a second combustion chamber, a gas passage chamber, and a gas emission chamber. The first combustion chamber includes a space inside the cylindrical portion on a side of an igniter relative to the separation wall portion, and the second combustion chamber includes the space inside the cylindrical portion on a side of the partition portion relative to the separation wall portion. ... Nippon Kayaku Kabushiki Kaisha

Catalyst for conjugated diolefin production and method for producing same

. . Provided are a catalyst that may suppress the production of a coke-like substance in a reaction for producing a conjugated diolefin from a mixed gas including a monoolefin having 4 or more carbon atoms and molecular oxygen. A composite metal oxide catalyst for producing a conjugated diolefin from a mixed gas including a monoolefin having 4 or more carbon atoms and molecular oxygen by a catalytic oxidative dehydrogenation reaction, the composite metal oxide catalyst having a relative intensity range of x-ray diffraction peaks represented by the following formula (a): 0≦rh(=ph1/ph2)<0.8 (a) wherein ph1 represents the maximum peak height within the range of 2θ=28.1°±0.2° for the x-ray diffraction peaks; ph2 represents the maximum peak height within the range of 2θ=27.9°±0.2° for the x-ray diffraction peaks; and rh represents the relative intensity ratio of ph1 with respect to ph2.. ... Nippon Kayaku Kabushiki Kaisha

Block copolymer conjugate of physiologically active substance

. . A physiologically active substance-conjugated block copolymer having enhanced efficacy and/or safety is provided by enhancing the property of penetrating into a target diseased tissue and/or enhancing excretability, compared to known physiologically active substance-conjugated block copolymer, and suppressing sensitization of the physiologically active substance to normal tissues other than a target diseased tissue. Disclosed is a block copolymer including a polyethylene glycol segment connected with a polyamino acid derivative segment conjugated with a physiologically active substance, in which the molecular weight of the block copolymer is from 2 kilodaltons to 15 kilodaltons, and the light scattering intensity of a 1 mg/ml aqueous solution of the physiologically active substance-conjugated block copolymer as measured with a laser light scattering photometer is at least twice or more the light scattering intensity of toluene.. ... Nippon Kayaku Kabushiki Kaisha

Conjugated-diolefin-producing catalyst, and production method therefor

Provided are a catalyst which, in a reaction. For producing a conjugated diolefin by catalytic oxidative dehydrogenation from a mixed gas including a monoolefin having 4 or more carbon atoms and molecular oxygen, may suppress the production of a coke-like substance and improve the long-term stability of the reaction; and a method for producing the same. ... Nippon Kayaku Kabushiki Kaisha

Catalyst for manufacturing unsaturated aldehyde and/or unsaturated carboxylic acid and manufacturing method of same, and manufacturing method of unsaturated aldehyde and/or unsaturated carboxylic acid

Provided is a catalyst for manufacturing an unsaturated aldehyde and/or an unsaturated carboxylic acid, which is prepared by a method in which a molybdenum component raw material is composed of only an ammonium molybdate, the weight of water for dissolution is 8.5 times or less relative to the weight of molybdenum contained in the ammonium molybdate; and a bismuth component raw material is composed of only bismuth nitrate, the weight of a nitric acid aqueous solution for dissolution is 2.3 times or more relative to the weight of bismuth contained in the bismuth nitrate, and a nitric acid concentration in the nitric acid aqueous solution for dissolving the bismuth nitrate is 10% by weight or more.. . ... Nippon Kayaku Kabushiki Kaisha

Aromatic amine resin, epoxy resin composition and cured product thereof

There are provided an aromatic amine resin represented by the following formula (1) wherein a plurality of r1's each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, provided that a case where all r1's represent each a hydrogen atom is excluded, m represents an integer of 1 to 4, n represents an integer, and the average value (a) of n represents: 1≦a≦5, which can be utilized for a high-reliability semiconductor, a high-performance fiber-reinforced composite material, and others; an epoxy resin composition containing the aromatic amine resin; and an epoxy resin cured product having properties excellent in high heat resistance and low hygroscopicity, which is obtained by curing the epoxy resin composition.. . ... Nippon Kayaku Kabushiki Kaisha

Photosensitive resin composition and cured product thereof

. . Provided is a photosensitive resin composition that contains (a) a photobase generator and (b) an alkali-soluble epoxy compound, wherein the photobase generator (a) contains a compound represented by formula (2-1) and the alkali-soluble in epoxy compound (b) is an epoxy compound obtained by reacting (c) a polybasic acid anhydride with a product of a reaction between (a) an epoxy compound having two or more epoxy groups in the molecule and (b) a compound having one or more by hydroxyl groups and one carboxyl group in the molecule.. . ... Nippon Kayaku Kabushiki Kaisha

Light reflection film and laminate having the light reflection film

A light reflection film includes at least one light reflection layer rprl in which a cholesteric liquid crystal phase of a right-handed helical structure having right circularly polarized light reflection ability is fixed; and at least one light reflection layer lprl in which a cholesteric liquid crystal phase of a left-handed helical structure having left circularly polarized light reflection ability is fixed. A total of three or more layers of the light reflection layer(s) rprl and the light reflection layer(s) lprl are laminated. ... Nippon Kayaku Kabushiki Kaisha

08/17/17 / #20170235030

Light reflecting film, and light controlling film, optical film, functional glass and head-up display including the light reflecting film

A light controlling film comprises a light reflecting film and a light controlling layer that are laminated. The light reflecting film comprises at least two laminated light reflecting layers including at least one of light reflecting layers prl-1 to prl-3 that a central reflection wavelength of 400 nm-500 nm, 500 nm-600 nm, and 600 nm-700 nm, respectively, and a reflectance to ordinary light at the central reflection wavelength of 5%-25%. ... Nippon Kayaku Kabushiki Kaisha

07/27/17 / #20170210333

Gas generator

A gas generator includes a housing and a partition portion dividing a space in the housing into a combustion chamber accommodating a gas generating agent and a filter chamber accommodating a filter. The partition portion includes a first region which opens at the time of activation by being located to be opposed to a hollow portion of the filter and an annular second region which does not open even at the time of activation by being located to be opposed to a portion of an axial end surface of the filter except for the hollow portion. ... Nippon Kayaku Kabushiki Kaisha

05/18/17 / #20170137648

Ink composition and textile printing method

. . A pigment ink composition that exhibits good ejectability, particularly after standing in an open environment, and an inkjet textile printing method and a dyeing method using the ink composition. The ink composition for inkjet textile printing includes a pigment, water, a polymeric dispersant, a urethane resin, a water-soluble organic solvent, and a nonionic surfactant.. ... Nippon Kayaku Kabushiki Kaisha

05/18/17 / #20170137647

Ink composition, ink jet recording method, and colored substance

An aqueous pigment ink composition having high scratch resistance and good ejection properties and redispersibility, an ink jet recording method using the aqueous pigment ink composition, and a colored substance including the aqueous pigment ink composition. The ink composition includes a colorant, a resin, and water. ... Nippon Kayaku Kabushiki Kaisha

04/13/17 / #20170102614

Photosensitive resin composition, resist laminate, cured product of photosensitive resin composition, and cured product of resist laminate (11)

. . The purpose of the present invention is to provide: a resin composition, a cured product of which has extremely low residual stress and exhibits excellent adhesion to a metal substrate such as a pt, lt or ta substrate after a wet heat test in the fields of semiconductors and mems/micromachine applications; a laminate of this resin composition; and a cured product of this resin composition or the laminate. The present invention is a photosensitive resin composition which contains an epoxy resin (a), a compound having a phenolic hydroxyl group (b) and a cationic photopolymerization initiator (c), and wherein: the epoxy resin (a) has a weighted average epoxy equivalent weight of 300 g/eq. ... Nippon Kayaku Kabushiki Kaisha

02/16/17 / #20170043742

Gas generator

. . A gas generator includes a cylindrical partition wall portion including a plurality of gas passage holes through which a gas generated as a result of burning of a gas generating agent passes. Two sealing tapes in a form of a band are contiguously bonded to the partition wall portion such that a direction of extension thereof matches with a circumferential direction of the partition wall portion and each one of a pair of end portions located in each direction of extension is layered on an adjacent sealing tape. ... Nippon Kayaku Kabushiki Kaisha

02/09/17 / #20170040550

Material for photoelectric conversion element for use in imaging element, and photoelectric conversion element including same

The present invention provides a material for photoelectric conversion elements for use in imaging elements which comprises a compound represented by the following formula (1). The material for photoelectric conversion elements for use in imaging elements, which comprises a compound represented by the following formula (1), is used to produce a photoelectric conversion element which is excellent in terms of hole- or electron-leakage prevention, thermal resistance to processing temperatures, transparency to visible light, etc. ... Nippon Kayaku Kabushiki Kaisha

02/02/17 / #20170029645

Ink set, inkjet recording method, and colored body

An ink set including at least a yellow ink, a magenta ink, a cyan ink, and a black ink and that each contain water, a surfactant, and a colorant. When each of the surfactant contents in each of the total masses of the yellow ink, the magenta ink, the cyan ink, and the black ink is represented respectively by s1, s2, s3, and s4, s1 satisfies 1.0 mass %≦s1≦2.5 mass %, s1-s2 satisfies 0.1 mass %≦s1-s2≦0.8 mass %, s3-s2 satisfies 0.0 mass %≦s3-s2≦0.5 mass %, s3-s4 satisfies 0.2 mass %≦s3-s4≦1.2 mass %, and s3 and s4 are each 0.1 mass % or more.. ... Nippon Kayaku Kabushiki Kaisha








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