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Kazuei Ohuchi

Kazuei Ohuchi, Tsukuba-Shi JP

Patent application numberDescriptionPublished
20100144999METHOD FOR PRODUCING AROMATIC POLYMER - Disclosed is a method for producing an aromatic polymer characterized in that an aromatic compound represented by the formula (I) below is polycondensed in the presence of a palladium complex containing a phosphine compound represented by the formula (II) below. (I) (In the formula (I), Ar represents a bifunctional organic group containing an aromatic ring; X represents a halogen atom, a nitro group or a group expressed as —SO06-10-2010
20100230666AMINE-TYPE POLYMERIC COMPOUND, AND LIGHT-EMITTING ELEMENT COMPRISING THE SAME - Disclased is a polymeric compound having a constitutional unit represented by formula (1a), wherein ring A and ring B independently represent an aromatic hydrocarbon ring which may have a substituent; R1 represents a group represented by formula (2); and R2 represents an aryl group or a monovalent aromatic heterocyclic group which may be substituted by an alkyl group or the like. In formula (2), Ar1 to Ar3 independently represent an arylene group or a divalent group to which two or more arylene groups are attached via a single bond; Ar4 to Ar7 independently represent an aryl group or a monovalent aromatic heterocyclic group; R6 represents a hydrogen atom, an alkyl group, an aryl group or a monovalent aromatic heterocyclic group; Ar1 to Ar7 and R6 may be substituted by an alkyl group or the like; and k and kk independently represent an integer of 0 to 3, provided that at least one of k and kk represents an integer of 1 to 3.09-16-2010

Kazuei Ohuchi, Ibaraki JP

Patent application numberDescriptionPublished
20080233429Polymer Compound and Polymer Light-Emitting Device Using the Same - A polymer compound comprising a repeating unit of the following formula (1) and which is useful as a light emitting material or charge transporting material and excellent in heat resistance, fluorescent intensity and the like:09-25-2008
20090018309Method for Producing Aromatic Compound Polymer - A method for producing an aromatic compound polymer comprising oxidatively polymerizing one or more of aromatic compound(s) having two or more hydrogen atoms directly connected to aromatic ring(s), in the presence of an oxidizing agent, wherein the method employs a catalyst composed of a transition metal complex or a catalyst prepared from a transition metal complex and an activating agent, and said catalyst has a parameter P defined by the following formula (A) of 0.50 or more, and a parameter Eo defined by the following formula (B) of 0.50 [V] or more:01-15-2009
20090184292POLYMER COMPOUND AND POLYMER LIGHT EMITTING DEVICE - A polymer compound having a conjugated polymer main chain and at least one side chain selected from the following (a), (b) and (c): 07-23-2009
20090318651HETEROCYCLIC COMPOUND AND HETEROCYCLIC POLYMERS - The present invention provides a heterocyclic compound of the following general formula (I):12-24-2009
20100219399BLOCK COPOLYMER - A block copolymer comprising two or more of blocks of the following formula (1), wherein at least two of a plurality of m's present in the copolymer represent a number of 5 or more, Ar's in adjacent two blocks in the copolymer are mutually different, and the copolymer has two Ar's when composed of 2 blocks of the formula (1), has two or more Ar's when composed of 3 blocks of the formula (1) and has four or more Ar's when composed of 4 or more blocks of the formula (1):09-02-2010

Patent applications by Kazuei Ohuchi, Ibaraki JP

Kazuei Ohuchi, Tsukuba JP

Patent application numberDescriptionPublished
20090045725POLYARYLENE - A high-molecular compound, characterized by containing a chain consisting of repeating units represented by the general formula (1) and having an average number of repeating units constituting the chain of 3 or above and a ratio of bonds formed between the head and the tail to all the bonds formed between repeating units of 85% or above: (1) wherein Ar02-19-2009
20090096355Aromatic Graft Polymer - An aromatic graft polymer containing one or more kinds of repeating units represented by the following formula (1). (In the formula, Ar04-16-2009
20090099391Novel Aryl Compound - A novel aryl compound represented by the formula (1) in which the characteristic groups represented by X04-16-2009
20090207346Aromatic polymer - Disclosed is an aromatic polymer containing one or more repeating units represented by the following formula (1). (In the formula, Ar08-20-2009
20090209715Process for producing polymer - A process for producing a polymer, characterized by comprising the following step (A) and step (B). (A) A step in which a polymer having repeating units represented by the general formula (1): —Ar08-20-2009