Jx Nippon Oil Energy Corporation

Eneos Corporation

Nippon Mitsubishi Oil Corporation

Tokyo Ohka Kogyo Co., Ltd.

Nippon Oil Corporation

Renesas Electronics Corporation

Nippon Oil Company

Jxtg Nippon Oil & Energy Corporation

Shinichi Komatsu

Takaya Matsumoto

Suzushi Nishimura

Shinichiro Suzuki

Daisuke Watanabe

Tadahiro Kaminade

Hisashi Sone

Takeshi Koike

Dai Shiota

Kunihiro Noda

Hiroki Chisaka

Masaki Noguchi

Ryuichi Ueno

Toshikatsu Shoko

Akira Shiibashi

Akira Shibashi

Sayako Kawahama

Rieko Fujishiro

Akira Takagi

Tetsuya Uesaka

Yuji Takahashi

Yusuke Matsuo

Michiaki Adachi

Miki Fujiwara

Asako Kyobu

Toshihiko Matsumoto

A tetracarboxylic dianhydride represented by the following general formula (1): [in the formula (1), R, R, and Reach independently represent a hydrogen atom and the like, and n represents an integer of 0 to 12], wherein a ratio of a summed amount of a specific stereoisomer (A) and a specific stereoisomer (B) is 50% by mole or more relative to a total amount of stereoisomers based on three-dimensional configurations of two norbornane rings in the general formula (1), and a content ratio of the stereoisomer (A) is 30% by mole or more relative to the total amount of the stereoisomers.

Tetracarboxylic dianhydride, polyimide precursor resin and solution thereof, and polyimide and solution thereof

A method for producing a polyimide film includes: obtaining a polyamic acid solution having a viscosity of 5 to 150 cps by preparing a raw material mixture liquid containing a solvent, a tetracarboxylic dianhydride represented by a specific general formula, and an aromatic diamine represented by a specific general formula, and has a total content of the tetracarboxylic dianhydride and aromatic diamine of 15% by mass or less, and reacting the tetracarboxylic dianhydride and aromatic diamine with each other in the raw material mixture liquid forming a polyamic acid having a repeating unit represented by a specific general formula; obtaining a polyimide-forming mixture liquid by adding a compound represented by a specific general formula to the polyamic acid solution; and obtaining a polyimide film represented by a specific general formula by forming a film made of the polyimide-forming mixture liquid, followed by imidization of the polyamic acid in the film.

Method for producing polyimide film, polyimide film, polyamic acid solution, and photosensitive composition

A polyimide precursor composition that exhibits excellent tensile strength and breaking elongation, and that provides a film containing an alicyclic polyimide resin; a method for producing a polyimide film using the polyimide precursor composition; and a permanent film that contains an alicyclic polyimide resin and that exhibits excellent tensile strength and breaking elongation. The polyimide precursor composition is a mixture of a resin precursor component which is a polyamic acid including an alicyclic backbone having a predetermined structure, a monomer component that includes an aromatic diamine compound having a predetermined structure or an alicyclic tetracarboxylic acid di-anhydride having a predetermined structure; an imidazole compound having a predetermined structure; and a solvent.

Polyimide precursor composition

A tetracarboxylic dianhydride, which is a compound represented by the following general formula (1): [in the formula (1), A represents a divalent aromatic group in which the number of carbon atoms forming an aromatic ring is 6 to 30 or the like, and multiple Rs each independently represent a hydrogen atom or the like].

Tetracarboxylic dianhydride, polyamic acid, polyimide, methods for producing the same, and polyamic acid solution

A transparent electro-conductive laminate comprising: [in the formula (1), R, R, and Reach independently represent one selected from the group consisting of a hydrogen atom, alkyl groups having 1 to 10 carbon atoms, and a fluorine atom, Rrepresents an aryl group having 6 to 40 carbon atoms, and n represents an integer of 0 to 12],

Transparent film, transparent electro-conductive laminate, and touch panel, solar cell, and display device using the same

A method for producing an ester compound including reacting a compound having at least one cyclic structure of a norbornene ring and a norbornadiene ring with an alcohol and carbon monoxide by using a palladium catalyst and an oxidizing agent, to thereby introduce ester groups to carbon atoms forming a double bond in the cyclic structure and obtain the ester compound, wherein the palladium catalyst comprises a palladium complex having a bipyridyl as a ligand.

Method for producing ester compound

A norbornane-2-spiro-&#x3b1;-cycloalkanone-&#x3b1;'-spiro-2&#x2033;-norbornane-5,5&#x2033;,6,6&#x2033;-tetracarboxylic dianhydride represented by the following general formula (1): wherein the formula (1), n represents an integer of 0 to 12, and Rs, R, Reach independently represents a hydrogen atom or the like.

Norbornane-2-spiro-&#x3b1;-cycloalkanone-&#x3b1;'-spiro-2&#x2033;-norbornane-5,5&#x2033;,6,6&#x2033;-tetracarboxylic dianhydride, norbornane-2-spiro-&#x3b1;-cycloalkanone-&#x3b1;&#x2032;-spiro-2&#x2033;-norbornane-5,5&#x2033;,6,6&#x2033;-tetracarboxylic acid and ester thereof, method for producing norbornane-2-spiro-&#x3b1;-cycloalkanone-&#x3b1;&#x2032;-spiro-2&#x2033;-norbornane-5,5&#x2033;,6,6&#x2033;-tetracarboxylic dianhydride, polyimide obtained by using the same, and method for producing polyimide

A method for producing an ester compound includes reacting a compound having at least one cyclic structure of a norbornene ring and a norbornadiene ring with an alcohol and carbon monoxide by using a palladium catalyst and an oxidizing agent, to thereby introduce ester groups to carbon atoms forming a double bond in the cyclic structure and obtaining the ester compound, wherein the palladium catalyst includes a palladium acetate having a nitrite ligand in an amount of 10% by mole or more in terms of metal, and the palladium acetate having a nitrite ligand is represented by the general formula (1): Pd(CHCOO)(NO).

Method for producing ester compound and palladium catalyst used in the method

A polyimide containing at least one of repeating units represented by the following general formulae (1) and (2): wherein the formulae (1) and (2), R, R, and Reach independently represents a hydrogen atom or the like, Rrepresents an aryl group having 6 to 40 carbon atoms, and n represents an integer of 0 to 12, wherein a total amount of the repeating units represented by the general formulae (1) and (2) is 90% by mole or more relative to all repeating units.

Polyimide and alicyclic tetracarboxylic dianhydride used for producing the same

A method for producing a norbornene derivative includes forming a Mannich base represented by any of general formulae (5) to (7) by reacting a carbonyl compound represented by any of general formulae (1) to (3) and an amine compound represented by general formula (4) with each other in an acidic solvent, to thereby obtain a reaction liquid comprising the Mannich base in the acidic solvent, wherein the acidic solvent comprises a formaldehyde derivative and 0.01 mol/L or more of an acid represented by formula HX; reacting the Mannich base and a diene compound represented by general formula (8) with each other by adding an organic solvent, a base in an amount of 1.0 to 20.0 equivalents to the acid, and the diene compound to the reaction liquid, and then heating the reaction liquid, to thereby form the norbornene derivative represented by any of general formulae (9) to (11).

Method for producing norbornene derivative

A 5-norbornene-2-spiro-&#x3b1;-cycloalkanone-&#x3b1;'-spiro-2&#x2033;-5&#x2033;-norbornene represented by the following general formula (1): [in the formula (1), Rs, R, and Reach independently represent a hydrogen atom or the like, and n represents an integer of 0 to 12].

5-norbornene-2-spiro-&#x3b1;-cycloalkanone-&#x3b1;'-spiro-2&#x2033;-5&#x2033;-norbornene and method for producing the same

A retardation film, formed by stretching a film having a norbornene-based ring-opening copolymer containing a structural unit (A) represented by the general formula (1) and a structural unit (B) represented by the general formula (2), wherein the content of structural unity (A) is not less than 5 mol % but not more than 95 mol % relative to the total amount of structural units (A) and (B).

Retardation film, and organic EL display device and liquid crystal display device using the same

A method for selectively producing a monoaryl norbornene derivative represented by a formula (5) involves having a norbornadiene derivative represented by a formula (3) and a bromine compound represented by a formula (4) react with each other in the presence of a reducing agent, palladium and at least one selected from phosphorus compounds represented by the formulas (1) and (2), whereby the norbornene derivative represented by formula (5) having a monoaryl substituent is an exo configuration.

A bipolar transistor of the invention has a second base regionwhich is formed in the surface layer of a deep well, placed between a first base region and a sinker, connected to the first base region, has an impurity concentration larger than that of the first base region, and has a depth shallower than that of the first base region; and a buried layer formed in a semiconductor layer, which has the top surface thereof brought into contact with the deep well and the sinker, and has an impurity concentration larger than that of the deep well.

Semiconductor device having bipolar transistor

A reverse dispersion retardation film is formed by stretching a film containing a norbornene-based ring-opening copolymer containing a structural unit (A) represented by a general formula (1) and a structural unit (B) represented by a general formula (2), wherein a total amount of the structural unit (A) and an exo-form structural unit, among the structural units (B), is not less than 20 mol % but not more than 65 mol % of all the structural units.

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Tokyo, Japan

Shinichi Komatsu