Yoshino Kogyosho Co., Ltd.

Asahi Kasei Chemicals Corporation

Asahi Kasei Kabushiki Kaisha

Astellas Pharma Gmbh

Asaki Kasei Chemicals Corporation

Yoshino Kogyosho., Ltd.

Yusuke Ishii

Takaaki Kato

Hideaki Soyama

Nobuhisa Miyake

Masaaki Shinohata

Yusuke Sakurai

Takeharu Sasaki

Takao Iizuka

Takashi Otsuka

Katsuyoshi Inagawa

Yuichi Okuyama

Minoru Kadowaki

Shinichi Tabata

Eri Tateno

Yuji Kosugi

Atsushi Ohkubo

Koichi Nakaoka

Toshihiko Fukuzono

Kazuhiro Takagaki

Satoshi Miike

Masatoshi Inakoshi

Tsubasa Uematsu

Yasuaki Furuya

Kazushi Okada

A method is provided for collecting a compound of formula (III) (in which R31 is a monovalent to trivalent organic group and n31 is an integer of 1 to 3) from a liquid phase component that is formed as a by-product in a method for producing a compound of general formula (I) (in which R11 is a monovalent to trivalent organic group and n11 is an integer of 1 to 3), wherein the collection method contains steps (1) to (3) or steps (A) and (B), and step (4). Step (1): a step for reacting the liquid phase component with at least one active hydrogen-containing compound in a reactor. Step (2): a step for returning a condensed liquid obtained by cooling gas phase components in the reactor to the reactor. Step (3): a step for discharging gas phase components that are not condensed in the step (2) to the outside of the reactor. Step (A): a step for mixing the liquid phase component, water, and a compound of general formula (III). Step (B): a step for reacting the liquid phase component with water inside the reactor. Step (4): a step for discharging, as a liquid phase component inside the reactor, the reaction liquid containing the compound of general formula (III) to the outside of the reactor.

Organic amine collection method

A method is provided for collecting a compound of formula (III) (in which R31 is a monovalent to trivalent organic group and n31 is an integer of 1 to 3) from a liquid phase component that is formed as a by-product in a method for producing a compound of general formula (I) (in which R11 is a monovalent to trivalent organic group and n 11 is an integer of 1 to 3), wherein the collection method contains steps (1) to (3) or steps (A) and (B), and step (4). Step (1): a step for reacting the liquid phase component with at least one active hydrogen-containing compound in a reactor. Step (2): a step for returning a condensed liquid obtained by cooling gas phase components in the reactor to the reactor. Step (3): a step for discharging gas phase components that are not condensed in the step (2) to the outside of the reactor. Step (A): a step for mixing the liquid phase component, water, and a compound of general formula (III). Step (B): a step for reacting the liquid phase component with water inside the reactor. Step (4): a step for discharging, as a liquid phase component inside the reactor, the reaction liquid containing the compound of general formula (III) to the outside of the reactor.RNCO)&#x2003;&#x2003;(I)RNH)&#x2003;&#x2003;(III)

A container production method including a preform setup step of disposing a preform in a blow molding mold and engaging a filling nozzle with a mouth of the preform; a blow molding step of liquid blow molding the preform by supplying a pressurized liquid into the preform; a liquid discharge step of releasing the blow molding mold and pressing a trunk of the container after molding with a pressing portion that is inserted from a clearance between separated mold pieces adjacent to each other to discharge a liquid in the container to the outside of the container by a predetermined amount; and a headspace forming step of forming a headspace in the container by separating the filling nozzle from a mouth of the container.

Container production method

An isocyanate production method according to the present invention is a method in which an isocyanate is produced by subjecting a carbamate to thermal decomposition, and includes: a step of preparing a mixture liquid containing the carbamate, an inactive solvent and a polyisocyanate compound; a step of conducting a thermal decomposition reaction of the carbamate by continuously introducing the mixture liquid into a thermal decomposition reactor; a step of collecting a low-boiling decomposition product by continuously extracting the low-boiling decomposition product in a gaseous state from the reactor, the low-boiling decomposition product having a boiling point lower than the polyisocyanate compound; and a step of collecting a high-boiling component by continuously extracting, from the reactor, a liquid phase component which is not collected in a gaseous state at the step of collecting the low-boiling decomposition product.

Isocyanate production method

A delamination container includes an engaging protrusion that is provided in an area extending over at least a ground contact portion and a recess and protrudes from either one of an outer layer body and an inner layer body and engages with the other in an undercutting manner. Further, a preform includes an engaging protrusion that is provided in an area extending from at least a boundary between a bottom and a trunk to just before an axial center of the bottom and protrudes from either one of an outer body and an inner body and engages with the other in an undercutting manner.

Delamination container and preform

A container production method by liquid blow molding. The method includes a head space forming step of forming a head space in the upper portion of a container, in which, with the container disposed in a cavity, a bottom panel portion molded into an upward convex shape on a bottom of the container is inverted by pushing it down with a pushing rod and is plastically deformed into a downward convex shape.

Container production method by liquid blow molding

To solve a problem associated with formation of a transparent window portion in a biaxially stretch blow molded container by a nozzle structure of an injection molding apparatus, provided is a biaxially stretch blow molded container formed with a clearly transparent window portion in longitudinal strip shape by effectively preventing mixture of colored resin to window portion. Injection molding apparatus includes in nozzle portion a longitudinal groove flow path, wherein a transparent B resin flows. By, for example, reducing and increasing, respectively, the width and depth of the longitudinal groove flow path on the downstream side, and engraving slits in an inner mandrel and even in a front end portion of a stopper pin, flowability of the B resin in a horizontal direction is enhanced.

Container with synthetic resin window, preform, and preform injection molding apparatus

It is an object of the present invention to provide a composite oxide catalyst which can suppress the generation of COand CO and improve the yield of an unsaturated nitrile in a method for subjecting propane or isobutane to a vapor-phase catalytic ammoxidation reaction to produce a corresponding unsaturated nitrile, and a method for producing the composite oxide catalyst, and a method for producing an unsaturated nitrile using the composite oxide catalyst. A composite oxide catalyst used for a vapor-phase catalytic oxidation reaction or vapor-phase catalytic ammoxidation reaction of propane or isobutane, the composite oxide catalyst comprising a composite oxide represented by the following composition formula (1):MoVSbNbWZO&#x2003;&#x2003;(1),wherein the component Z is one or more element selected from the group consisting of La, Ce, Pr, Yb, Y, Sc, Sr, and Ba; a, b, c, d, e, and n represent atomic ratios of the elements; and 0.1&#x2264;a&#x3c;0.2, 0.15&#x2264;b&#x2264;0.5, 0.01&#x2264;c &#x2264;0.5, 0&#x2264;d&#x2264;0.4, 0&#x2264;e&#x2264;0.2, and 0.60&#x3c;a/b&#x3c;1.00.

Composite oxide catalyst, method for producing the same, and method for producing unsaturated nitrile

There is provided a method for producing an oxide catalyst, the method including a step (a) of obtaining an aqueous mixed liquid A containing Mo, V and Sb, a step (b) of mixing a Nb raw material, water and an organic acid to obtain a Nb aqueous solution, a step (c) of mixing the Nb aqueous solution and a silica raw material to obtain an aqueous mixed liquid B, a step (d) of mixing the aqueous mixed liquid A and the aqueous mixed liquid B to obtain an aqueous mixed liquid (C), a step (e) of drying the aqueous mixed liquid C to obtain a dried powder D, and a step (f) of calcining the dried powder D to obtain the oxide catalyst.

Oxide catalyst and method for producing same, and method for producing unsaturated nitrile

To solve a problem associated with formation of a transparent window portion in a biaxially stretch blow molded container by a nozzle structure of an injection molding apparatus, provided is a biaxially stretch blow molded container that is formed with a clearly transparent window portion in a longitudinal strip shape by effectively preventing mixture and cut-in of a colored resin to the window portion. In a predetermined range extending from an upstream end to a predetermined downstream position of a flow path including a cylindrical flow path and a reduced-diameter flow path formed in a nozzle portion, a pair of guiding ribs in the form of longitudinal ridges is arranged in line to partition the flow path in a circumferential direction, and a longitudinal groove flow path is formed between the pair of guiding ribs. A molten B resin is supplied to the longitudinal groove flow path, and a molten A resin is supplied to the cylindrical flow path excluding the longitudinal groove flow path. Thus, the longitudinal strip-shaped flow path of the B resin interrupts the cylindrical flow path of the A resin in the circumferential direction.

An apparatus for efficiently removing the exuded substance and/or the attached substance on the surface of a catalyst (catalyst surface substance) from the catalyst is provided. The apparatus comprising a main body, the apparatus for removing a catalyst surface substance present on a surface of a catalyst from the catalyst by bringing a gas flow into contact with the catalyst housed in the main body, wherein a gas flow length in a flow direction of the gas flow is 55 mm or more, and an average flow velocity of the gas flow is 80 m/s or more and 500 m/s or less in terms of a linear velocity at 15&#xb0; C. and 1 atm.

Apparatus for removing catalyst surface substances

The present invention provides a method for producing an oxide catalyst comprising Mo, V, Sb, and Nb for use in a gas-phase catalytic oxidation reaction or a gas-phase catalytic ammoxidation reaction of propane or isobutane, the method comprising: a preparation step of preparing a first aqueous mixed solution containing Mo, V, and Sb; a mixing step of mixing the first aqueous mixed solution with a support raw material comprising silica sol, and a Nb raw material to obtain a second aqueous mixed solution; a drying step of drying the second aqueous mixed solution to obtain a dry powder; and a calcination step of calcining the dry powder to obtain the oxide catalyst, wherein the support raw material comprises 25% by mass or more, based on SiO, of the silica sol having an average primary particle size of 3.0 nm or larger and smaller than 11 nm based on a total amount of the support raw material, and the silica sol comprises 55% or more of silica sol particles having a primary particle size of smaller than 11 nm.

Method for producing oxide catalyst, and method for producing unsaturated nitrile

An injection molded test-tube-shaped preform, which is subjected to biaxial stretch blow molding, includes a circumferential wall including a longitudinal strip-shaped portion that is made of a transparent or a semi-transparent B resin and that is formed in a longitudinal strip shape penetrating the circumferential wall in a circumferentially predetermined position in the circumferential wall over a predetermined height range. A remaining portion of the circumferential wall excluding the longitudinal strip-shaped portion is made of an A resin that is obtained by coloring a synthetic resin. A portion of the B resin constituting the longitudinal strip-shaped portion flows around an opposite side to the circumferentially predetermined position in which the longitudinal strip-shaped portion is formed, to be laminated in the vicinity of a portion of the circumferential wall made of the A resin that is close to an inner circumferential surface of the circumferential wall.

A method for producing a complex oxide catalyst containing a complex oxide represented by the formula:MoVSbNbWZO(wherein a component Z represents an element such as La, Ce, Pr, Yb, Y, Sc, Sr, and Ba; a, b, c, d, e, and n each represent an atomic ratio of an element to one Mo atom; 0.1&#x2266;a&#x2266;0.4, 0.1&#x2266;b&#x2266;0.4, 0.01&#x2266;c&#x2266;0.3, 0&#x2266;d&#x2266;0.2, and 0&#x2266;e&#x2266;0.1; an atomic ratio a/b is 0.85&#x2266;a/b&#x3c;1.0, and an atomic ratio a/c is 1.4&#x3c;a/c&#x3c;2.3.), the method including: a step of preparing a specific raw material-formulated solution containing Mo, V, Sb, Nb, W, and Z; a step of drying the raw material-formulated solution to obtain a dry powder; a step of pre-stage calcining the dry powder to obtain a pre-stage calcined product; a step of main-calcining the pre-stage calcined product to obtain a calcined product having a protrusion on the surface of the particle; and a step of removing the protrusion by an air stream, wherein the reduction rate of the pre-stage calcined product is 8 to 12%, and the specific surface area of the calcined product is 7 to 20 m/g.

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Tokyo, Japan

Yusuke Ishii