Two Carbocyclic Rings, At Least One Of Which Is Benzene, Bonded Directly To The Same Nitrogen Patents (Class 564/431)
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Patent number: 9029603Abstract: A process for preparing alkylated p-phenylenediamine having the steps of reacting aniline and nitrobenzene in presence of a complex base catalyst to obtain 4-aminodiphenylamine intermediates, hydrogenating the 4-aminodiphenylamine intermediates to 4-aminodiphenylamine in presence of a hydrogenation catalyst, and reductively alkylating the 4-aminodiphenylamine to alkylated p-phenylenediamine.Type: GrantFiled: September 14, 2012Date of Patent: May 12, 2015Assignee: Jiangsu Sinorgchem Technology Co., Ltd.Inventors: Xiaogen Feng, Nongyue Wang, Xiaohui Mao, Ruibiao Yu, Qianwen Cheng
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Publication number: 20150083223Abstract: A fullerene derivative represented by the following formula (1): wherein “FLN” represents a fullerene core, R1 represents an optionally substituted C1-C24 alkyl group or an optionally substituted C7-C24 aralkyl group, R2 and R3 independently represent a hydrogen atom or an optionally substituted C1-C24 hydrocarbon group but excluding a case where both of R2 and R3 are hydrogen atoms, and R2 and R3 may combine together to form a ring.Type: ApplicationFiled: September 25, 2013Publication date: March 26, 2015Applicants: Tohoku University, Showa Denko K.K.Inventors: Tienan JIN, Weili Si, Yoshinori Yamamoto, Takeshi Igarashi
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Patent number: 8932980Abstract: The invention discloses three-dimensional, ordered, mesoporous titanosilicates wherein the Ti is in a tetrahedral geometry and exclusively substituted for Si in the silica framework. Such titanosilicates find use as catalysts for epoxidation, hydroxylation, C—H bond oxidation, oxidation of sulfides, aminolysis of epoxide and amoximation, with approx. 100% selectivity towards the products.Type: GrantFiled: July 20, 2011Date of Patent: January 13, 2015Assignee: Council of Scientific & Industrial ResearchInventors: Srinivas Darbha, Anuj Kumar
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Patent number: 8729310Abstract: An object is to provide a new halogenated diarylamine compound serving as a source material for synthesis of a variety of diarylamine compounds and triarylamine compounds and a synthesis method of the new halogenated diarylamine compound. A halogenated diarylamine compound represented by the following general formula (G1) and a synthesis method thereof are provided. Note that a variety of diarylamine compounds and triarylamine compounds can be synthesized using the halogenated diarylamine compound represented by the following general formula (G1).Type: GrantFiled: September 20, 2010Date of Patent: May 20, 2014Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Harue Osaka, Hiroto Inoue
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Patent number: 8703304Abstract: An aromatic amine derivative having a specific structure. An organic electroluminescence device which is composed of one or more organic thin film layers sandwiched between a cathode and an anode, wherein at least one of the organic thin film layers, especially a hole transporting layer, contains the aromatic amine derivative. The aromatic amine derivative has at least one substituted or unsubstituted dibenzofuran skeleton and at least one substituted or unsubstituted terphenylene skeleton. Because the molecules in the aromatic amine derivate hardly crystallize, organic electroluminescence devices improving their production yield and having prolonged lifetime are provided.Type: GrantFiled: March 7, 2012Date of Patent: April 22, 2014Assignee: Idemitsu Kosan Co., Ltd.Inventor: Nobuhiro Yabunouchi
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Patent number: 8629613Abstract: Provided are a novel aromatic amine derivative having an asymmetric structure and an organic electroluminescence device in which, an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a cathode and an anode, at least one layer in the above organic thin film layer contains the aromatic amine derivative described above in the form of a single component or a mixed component, whereby molecules are less liable to be crystallized; a yield in producing the organic electroluminescence device is enhanced; and a lifetime is extended.Type: GrantFiled: December 21, 2005Date of Patent: January 14, 2014Assignee: Idemitsu Kosan Co., Ltd.Inventors: Nobuhiro Yabunouchi, Hisayuki Kawamura
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Patent number: 8623522Abstract: Provided are a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including a light emitting layer is interposed between a cathode and an anode, wherein at leas one layer of the above organic thin layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Thus, the organic electroluminescence device is less liable to be crystallized in molecules, improved in a yield in producing the organic electroluminescence device and extended in a lifetime.Type: GrantFiled: January 27, 2012Date of Patent: January 7, 2014Assignee: Idemitsu Kosan Co., Ltd.Inventors: Nobuhiro Yabunouchi, Tetsuya Inoue
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Publication number: 20130225596Abstract: The present invention provides novel compounds having a P2X3 and/or P2X2/3 receptor antagonistic effect. A pharmaceutical composition having a P2X3 and/or P2X2/3 receptor antagonistic effect comprising a compound of the formula (I): wherein ring A is substituted or unsubstituted 5 to 7-membered cycloalkane, substituted or unsubstituted 5 to 7-membered cycloalkene or the like; C is a carbon atom; —X— is —N(R16)— or the like; R16 is hydrogen, substituted or unsubstituted alkyl or the like; R7 is substituted or unsubstituted 5- or 6-membered heteroaryl, substituted or unsubstituted 6 to 10 membered aryl; Q1 and Q2 are each independently a carbon atom or a nitrogen atom; -L- is —O—, —S— or the like; R6 is substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl or the like; R2 is hydrogen, hydroxy or the like, or its pharmaceutically acceptable salt or a solvate thereof.Type: ApplicationFiled: August 9, 2011Publication date: August 29, 2013Inventors: Hiroyuki Kai, Takeshi Endoh, Sae Jikihara, Kentaro Asahi, Tohru Horiguchi
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Publication number: 20130116453Abstract: The invention discloses three-dimensional, ordered, mesoporous titanosilicates wherein the Ti is in a tetrahedral geometry and exclusively substituted for Si in the silica framework. Such titanosilicates find use as catalysts for epoxidation, hydroxylation, C—H bond oxidation, oxidation of sulfides, aminolysis of epoxide and amoximation, with approx. 100% selectivity towards the products.Type: ApplicationFiled: July 20, 2011Publication date: May 9, 2013Applicant: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCHInventors: Srinivas Darbha, Anuj Kumar
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Patent number: 8431248Abstract: It is an object of the present invention to provide a material which is excellent in a hole injecting property and a hole transporting property, and to provide a light emitting element and a light emitting device using a material which is excellent in a hole injecting property and a hole transporting property. The present invention provides a carbazole derivative represented by a general formula (I). The carbazole derivative according to the present invention is excellent in the hole injecting property. By using the carbazole derivative according to the present invention as a hole injecting material for a hole injecting layer of a light emitting element, a driving voltage can be reduced. In addition, a lower driving voltage, improvement of the luminous efficiency, a longer life time, and higher reliability can be realized by applying the material to a light emitting element or a light emitting device.Type: GrantFiled: March 1, 2011Date of Patent: April 30, 2013Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Harue Nakashima, Sachiko Kawakami, Daisuke Kumaki
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Patent number: 8367869Abstract: To attain an organic electroluminescence device having a long lifetime and high luminous efficiency, and is capable of emitting blue light having a high color purity, and an aromatic amine derivative for realizing the device, the present invention provides an aromatic amine derivative having a specific structure, and an organic electroluminescence device including an organic thin film layer composed of one or more layers including at least a light emitting layer and interposed between a cathode and an anode, in which at least one layer of the organic thin film layer contains the aromatic amine derivative alone or as a component of a mixture.Type: GrantFiled: July 25, 2011Date of Patent: February 5, 2013Assignee: Idemitsu Kosan Co., Ltd.Inventors: Chishio Hosokawa, Yoriyuki Takashima, Masakazu Funahashi
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Publication number: 20120302541Abstract: Disclosed are compounds, compositions and methods for treating various diseases, syndromes, conditions and disorders, including pain. Such compounds are represented by Formula I as follows: wherein R1, R2, R3, Ra, and Y are defined herein.Type: ApplicationFiled: October 28, 2010Publication date: November 29, 2012Inventors: Steven J. Coats, Haiyan Bian, Chaozhong Cai, Bart L. DeCorte, Li Liu, Mark J. Macielag, Scott L. Dax, Philip M. Pitis, Peter J. Connolly, Wei He
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Patent number: 8022253Abstract: To attain an organic electroluminescence device having a long lifetime and high luminous efficiency, and is capable of emitting blue light having a high color purity, and an aromatic amine derivative for realizing the device, the present invention provides an aromatic amine derivative having a specific structure, and an organic electroluminescence device including an organic thin film layer composed of one or more layers including at least a light emitting layer and interposed between a cathode and an anode, in which at least one layer of the organic thin film layer contains the aromatic amine derivative alone or as a component of a mixture.Type: GrantFiled: April 18, 2007Date of Patent: September 20, 2011Assignee: Idemitsu Kosan Co., Ltd.Inventors: Chishio Hosokawa, Yoriyuki Takashima, Masakazu Funahashi
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Patent number: 7910762Abstract: An asymmetric reaction catalyst is obtained by mixing a pentavalent niobium compound and an optically active triol or tetraol having a binaphthol structure of R or s configuration, and the triol is represented by the following formula: wherein, Y is divalent hydrocarbon and R1 is a hydrogen atom, a halogen atom, a trifluoromethyl group, or an alkyl group or alkoxy group having at most 4 carbons.Type: GrantFiled: September 28, 2009Date of Patent: March 22, 2011Assignee: Japan Science and Technology AgencyInventors: Shu Kobayashi, Haruro Ishitani, Yasuhiro Yamashita
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Publication number: 20110028718Abstract: A substituted paracyclophane is described of formula (I) wherein X1 and X2 are linking groups comprising between 2 to 4 carbon atoms, Y1 and Y2 are selected from the group consisting of hydrogen, halide, oxygen, nitrogen, alkyl, cycloalkyl, aryl or heteroaryl and Z is a substituted or unsubstituted alkyl group, aryl group or heteroaryl group. Preferably X1 and X2 are —(C2H4)— and Z is a substituted aryl group. The substituted paracyclophane provides transition metal catalysts that are useful in C—C and C—N bond formation and asymmetric hydrogenation reactions.Type: ApplicationFiled: August 21, 2008Publication date: February 3, 2011Applicant: Johnson Matthey Public Limited CompanyInventors: Jianliang Xiao, Jiwu Ruan
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Patent number: 7879462Abstract: An aminostyryl compound represented by Formula 1: The organic light emitting device using the aminostyryl compound exhibits low driving voltage and improved brightness, efficiency, and color purity.Type: GrantFiled: March 23, 2006Date of Patent: February 1, 2011Assignee: Samsung Mobile Display Co., Ltd.Inventors: Yi-Yeol Lyu, Byoung-Ki Choi, Myeong-Suk Kim, Sung-Hun Lee, Jong-Jin Park, Young-Hun Byun, Lyong-Sun Pu
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Patent number: 7825211Abstract: A process for synthesizing formulations for polyimides suitable for use in high-temperature composites in which all reactions other than chain-extension have already taken place prior to making a composite is described, wherein the resulting oligomers comprise a backbone and at least one difunctional endcap. The resulting resin systems have only the single step of endcap-to-endcap reactions during composite processing. Prior to the initiation temperature of these endcap-to-endcap reactions, the resins are stable affording the composite manufacturer a very large processing window.Type: GrantFiled: June 22, 2007Date of Patent: November 2, 2010Assignee: The Boeing CompanyInventors: Hyman Ralph Lubowitz, Thomas Karl Tsotsis
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Publication number: 20100039027Abstract: An organic electroluminescent device including, a cathode, an anode, and at least an emitting layer and an electron transporting layer between the cathode and the anode, the emitting layer including a host compound and a fluoranthene compound, the electron transporting layer including a compound represented by (A)u-(B)v wherein A is a group containing an aromatic hydrocarbon group having 3 or more carbon rings, B is a heterocyclic group which may be substituted, and u and v are each an integer of 1 to 6.Type: ApplicationFiled: February 19, 2008Publication date: February 18, 2010Applicant: IDEMITSU KOSAN CO., LTDInventors: Yoriyuki Takashima, Masakazu Funahashi, Takashi Arakane, Yumiko Mizuki, Hiroshi Yamamoto, Chishio Hosokawa, Kiyoshi Ikeda
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Publication number: 20100029968Abstract: An asymmetric reaction catalyst is obtained by mixing a pentavalent niobium compound and an optically active triol or tetraol having a binaphthol structure of R or s configuration, and the triol is represented by the following formula: wherein, Y is divalent hydrocarbon and RI is a hydrogen atom, a halogen atom, a trifluoromethyl group, or an alkyl group or alkoxy group having at most 4 carbons.Type: ApplicationFiled: September 28, 2009Publication date: February 4, 2010Applicant: Japan Science and Technology AgencyInventors: Shu Kobayashi, Haruro Ishitani, Yasuhiro Yamashita
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Patent number: 7563548Abstract: An amine compound represented by the general formula (1), which is incorporated as a charge-transporting substance to a charge-transporting layer of an electrophotographic photoreceptor: (in which Ar1, Ar2 and Ar3 each represents an optionally-substituted aryl group, or an optionally-substituted monovalent heterocyclic ring residue. Ar4 represents an optionally-substituted arylene group, or an optionally-substituted bivalent heterocyclic ring residue. R1 represents an optionally-substituted alkyl group, an optionally-substituted aryl group, an optionally-substituted monovalent heterocyclic ring residue, or an optionally-substituted aralkyl group. R2 and R3 each represents a hydrogen atom, an optionally-substituted alkyl group, an optionally-substituted aryl group, an optionally-substituted monovalent heterocyclic ring residue, or an optionally-substituted aralkyl group. n represents an integer of 1 or 2.Type: GrantFiled: November 30, 2004Date of Patent: July 21, 2009Assignee: Sharp Kabushiki KaishaInventors: Akihiro Kondoh, Takatsugu Obata
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Publication number: 20090156441Abstract: The invention is a C5-C12 cycloalkyl substituted phenylenediamine that provides deposit-control lubricant additives for organic materials including lubricating oil, gasoline, and diesel fuels. The invention improves the oxidative stability of the lubricants and fuels by adding cycloalkyl substituted phenylenediamines having one or more additional N-substituents.Type: ApplicationFiled: December 12, 2007Publication date: June 18, 2009Inventors: Robert G. Rowland, Theodore E. Nalesnik, Joseph P. Hartley, Neal J. Milne, Paul Wilson
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Publication number: 20090156449Abstract: An alkylated 1,3-benzenediamine compound used as a deposit-control lubricant additives for organic materials including lubricating oil, gasoline, and diesel fuels. The invention improves the oxidative stability of the lubricants and fuels by adding the alkylated 1,3-benzenediamine compound. The alkylated 1,3-benzenediamine compound is formed using a catalytic hydrogenation that alkylates the 4 and/or 6 position of the central aromatic ring.Type: ApplicationFiled: September 17, 2008Publication date: June 18, 2009Inventors: Robert G. Rowland, Joseph F. Stieber, Clifford M. Pratt, Ronald D. Abbott
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Patent number: 7402344Abstract: An organic electroluminescent device includes an anode, a cathode, and an organic layer having a light-emitting area and arranged between the anode and the cathode. The organic layer contains in at least a part thereof at least one aminostyrylnaphthalene compound represented by the following formula [I], [II] or [III]: wherein R1, R2, R11, R12, R23 and R24 are each a phenyl or naphthyl group, R3, R4, R13, R14, R25 and R26 are each an electron attracting group such as a cyano group, and R5, R15 and R27 are each a substituent group such as an alkyl group.Type: GrantFiled: March 24, 2004Date of Patent: July 22, 2008Assignee: Sony CorporationInventors: Mari Ichimura, Tadashi Ishibashi, Shinichiro Tamura
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Patent number: 7378204Abstract: A photoconductive imaging member containing a photogenerating layer, and a charge transport layer, and wherein the charge transport layer is comprised of an arylamine containing a moiety that minimizes oxidation.Type: GrantFiled: June 15, 2005Date of Patent: May 27, 2008Assignee: Xerox CorporationInventors: Yu Qi, Nan-Xing Hu, Gregory McGuire, Cheng-Kuo Hsiao
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Publication number: 20080039581Abstract: The invention relates to a compound of Formula (I): wherein: each of R1, R2, R3, R4, R5, R6 and R7 which may be the same or different on each triarylamine unit of Formula (1) and the same or different from one triarylamine unit of Formula (1) to another is independently hydrogen or an optionally substituted substituent; n is from 5 to 20; and a and b are each independently 0, 1, 2, 3 or 4. Also claimed are compositions comprising a compound of Formula (1) and a synthetic organic polymer resin, a process for preparing a compound of Formula (1), an organic semiconducting layer prepared from the composition, and electronic devices comprising the organic semiconducting layer.Type: ApplicationFiled: July 21, 2005Publication date: February 14, 2008Inventors: Beverley Anne Brown, Stephen William Leeming, Richard Williams
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Patent number: 7264890Abstract: An electroluminescent element is disclosed, comprising an electroluminescent material and a fluorescent substance emitting light having an emission maximum at the wavelength different from that of light emitted from the electroluminescent material upon absorption of the light emitted from the electroluminescent material. A color conversion filter is also disclosed, comprising a fluorescent substance emitting light having an emission maximum at the wavelengths of 400 to 700 nm upon absorption of the light emitted from the electroluminescent material.Type: GrantFiled: August 28, 2003Date of Patent: September 4, 2007Assignee: Konica CorporationInventors: Hiroshi Kita, Yoshiyuki Suzuri, Taketoshi Yamada, Kazuaki Nakamura, Noriko Ueda, Yasushi Okubo
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Patent number: 7217841Abstract: Elastomers which have excellent stability to prevent oxidative, thermal, dynamic, light-induced and/or ozone-induced degradation comprise, as stabilizers, at least one compound of the formula I [R—S(?O)m—CH2—CH(OH)—CH2]n—N(R1)2-n—R2, ??(I) in which R is C4–C20alkyl, hydroxyl-substituted C4–C20alkyl; phenyl, benzyl, ?-methylbenzyl, ?,?-dimethylbenzyl, cyclohexyl or —(CH2)qCOOR3, and, if m is 0, R may additionally be and, if n is 1 and R4 is hydrogen, R may additionally be R2—R1N—CH2—CH(OH)—CH2—S(?O)m—(CH2)x— or R2—R1N—CH2—CH(OH)—CH2—S(?O)m—CH2—CH2—(O—CH2—CH2)y—, R1 is hydrogen, cyclohexyl or C3–C12alkyl, R2 is R3 is C1-C18alkyl, R4 is hydrogen or —CH2—CH(OH)—CH2—S(?O)m—R, X is C1–C8alkyl, Y is C1–C8alkyl, m is 0 or 1, n is 1 or 2, q is 1 or 2, x is from 2 to 6, and y is 1 or 2. The compounds of the formula I are also suitable as stabilizers for elastomers to prevent contact discoloration of substrates coming into contact with elastomers.Type: GrantFiled: April 15, 2004Date of Patent: May 15, 2007Assignee: Ciba Specialty Chemicals Corp.Inventors: Hans-Rudolf Meier, Gerrit Knobloch, Samuel Evans
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Patent number: 7008962Abstract: This invention relates to the novel use of dianilino squarates in the treatment of disease states mediated by the chemokine, Interleukin-8 (IL-8).Type: GrantFiled: May 30, 2001Date of Patent: March 7, 2006Assignee: Smithkline Beecham CorporationInventors: Michael R. Palovich, Brent McCleland, Guangping Bi, Michelle Werner, Katherine L. Widdowson
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Patent number: 6951693Abstract: Materials for organic electroluminescence devices represented by following general formula [1]: wherein A represents a substituted or unsubstituted arylene group having 22 to 60 carbon atoms, X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, when the arylene group represented by A has 26 or less carbon atoms, a+b+c+d>0 and the arylene group does not contain two or more anthracene nucleus; general formula [2] being: wherein R1 to R4 each independently represent hydrogen atom, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, cyano group or form a triple bond by a linkage of R1 and R2 or R3 and R4, Z represents a substituted or unsuType: GrantFiled: June 26, 2002Date of Patent: October 4, 2005Assignee: Idemitsu Kosan Co., Ltd.Inventors: Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
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Patent number: 6943195Abstract: (?)-3-[3-[(1R,2R,4S)-bicyclo[2.2.1]hept-2-yloxy]-4-methoxyanilino]-2-methyl-2-cyclopenten-1-one, or its hydrate or solvate, or a pharmaceutical composition containing the same.Type: GrantFiled: June 27, 2002Date of Patent: September 13, 2005Assignee: Nikken Chemicals Co., LtdInventors: Toshihiko Akiyama, Shinji Ina, Akane Takahama
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Patent number: 6936189Abstract: A cyclic tertiary amine compound represented by a formula (1) and an organic luminescent device are disclosed. Use of the cyclic tertiary amine compound as a hole transport material, a hole injection material or an organic electroluminescent material can provide organic EL devices having high luminous efficiency and a long service life.Type: GrantFiled: March 4, 2004Date of Patent: August 30, 2005Assignee: Chisso CorporationInventors: Wang Guofang, Manabu Uchida, Hajime Yokoi, Takaharu Nakano, Kenji Furukawa
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Patent number: 6929870Abstract: An electroluminescent element in which at least one layer containing at least one of novel hydrocarbon compounds with an anthracene ring and a fluorene ring directly bound is held between a pair of electrodes. The compounds can advantageously be used in a luminescent element and provide an organic electroluminescent element having an excellent luminescent efficiency and a long luminescent life.Type: GrantFiled: August 10, 2001Date of Patent: August 16, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Tsutomu Ishida, Takehiko Shimamura, Yoshiyuki Totani, Masakatsu Nakatsuka
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Publication number: 20040265627Abstract: An organic electroluminescent device includes an anode, a cathode, and an organic layer having a light-emitting area and arranged between the anode and the cathode.Type: ApplicationFiled: March 24, 2004Publication date: December 30, 2004Inventors: Mari Ichimura, Tadashi Ishibashi, Shinichiro Tamura
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Patent number: 6835472Abstract: An organic material capable of generating luminescence by charge of an electric current includes a compound having a general formula (1): wherein Ar1, Ar2 and Ar3 may be the same or different and, respectively, represent a substituted or unsubstituted aryl group or heterocyclic aryl group and wherein R1, R2, R3, and R4 may be the same or different and, respectively, represent a alkyl group, cycloalkyl group, a substituted or unsubstituted aryl group or heterocyclic aryl group.Type: GrantFiled: September 12, 2002Date of Patent: December 28, 2004Assignee: Chi Mei Optoelectronics Corp.Inventors: Ruey Min Chen, Chun Che Hsu, Jun Wen Chung
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Patent number: 6814761Abstract: The present invention provides a coloring or tinting composition containing one or more certain 2-nitro-p-phenylene diamine derivatives as substantive dyes. The 2-nitro-p-phenylene diamine derivatives 1-(N-cycloheptylamino)-2-nitro-4-aminobenzene and 1-(N-cyclooctylamino)-2-nitro-4-aminobenzene are preferred.Type: GrantFiled: August 15, 2002Date of Patent: November 9, 2004Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Frank Naumann, David Rose, Bernd Meinigke, Horst Hoeffkes
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Patent number: 6762329Abstract: One aspect of the present invention relates to novel reaction conditions that allow the efficient synthesis of diaryl ethers from arenes bearing a leaving group and arenols under relatively mild conditions. Another aspect of the present invention relates to the dramatic effects of acidic activators on Ullmann-type couplings involving electron-poor and/or relatively insoluble substrates.Type: GrantFiled: April 25, 2002Date of Patent: July 13, 2004Assignee: Massachusetts Institute of TechnologyInventors: Jean-Francois Marcoux, Sven Doye, Stephen Buchwald
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Patent number: 6743948Abstract: Materials for organic electroluminescence devices are represented by following general formula [1]: wherein B represents a substituted or unsubstituted arylene group having 6 to 60 carbon atoms, X1 to X4 each independently represent a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, X1 and X2 may be bonded to each other, X3 and X4 may be bonded to each other, Y1 to Y4 each independently represent an organic group represented by general formula [2], a to d each represent an integer of 0 to 2 and, when the arylene group represented by B has 26 or less carbon atoms, a+b+c+d>0 and at least one of the groups represented by B, X1, X2, X3 and X4 has a chrysene nucleus; general formula [2] being:Type: GrantFiled: August 25, 2000Date of Patent: June 1, 2004Assignee: Idemitsu Kosan Co., Ltd.Inventors: Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
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Patent number: 6713135Abstract: The present invention provides novel polyimides, poly(amic acids) and poly(amide esters) thereof, and optical alignment layers derived therefrom, for inducing alignment of liquid crystals and liquid crystal displays. The novel compositions comprise side-chain polymers of the general formula I —L1—D—L2—Cf wherein D comprises 1 to 4 carbon-carbon double bonds, Cf is a monovalent C4 to C20 fluorocarbon radical and L1 and L2 are linking groups. The invention further describes liquid crystal displays and other liquid crystal devices.Type: GrantFiled: December 19, 2000Date of Patent: March 30, 2004Assignee: Elsicon, Inc.Inventors: Wayne M. Gibbons, Patricia A. Rose, Paul J. Shannon, Hanxing Zheng
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Patent number: 6653510Abstract: The invention relates to a process for isolating, from a polymer comprising repeating units which are individually of Formula X in which Y is P or N, Ar1 & Ar2 are bivalent aromatic groups, Ar3 is a monovalent aromatic group, and the units of Formula X may be the same or different, a molecular weight fraction which is especially suitable for use as a charge transport material.Type: GrantFiled: November 28, 2001Date of Patent: November 25, 2003Assignee: Avecia LimitedInventors: Beverley Anne Brown, Janos Veres, Joanne Victoria Allen, John Dylan Morgan, Stephen William Leeming
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Publication number: 20030164678Abstract: An organic electroluminescent device comprises an organic layer between a pair of electrodes.Type: ApplicationFiled: September 10, 2002Publication date: September 4, 2003Inventors: Yasuhiko Shirota, Yutaka Ohsedo, Kazuyuki Moriwaki, Kenji Okumoto
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Patent number: 6583246Abstract: The invention provides modifiers for the anionic polymerization of conjugated dienes or of conjugated dienes with vinylaromatic compounds, wherein the modifiers are specific aminoethers.Type: GrantFiled: November 6, 2001Date of Patent: June 24, 2003Assignee: Bayer AktiengesellschaftInventors: Michael Grün, Thomas Knauf, Wilfried Braubach
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Publication number: 20030088128Abstract: One aspect of the present invention relates to novel reaction conditions that allow the efficient synthesis of diaryl ethers from arenes bearing a leaving group and arenols under relatively mild conditions. Another aspect of the present invention relates to the dramatic effects of acidic activators on Ullmann-type couplings involving electron-poor and/or relatively insoluble substrates.Type: ApplicationFiled: April 25, 2002Publication date: May 8, 2003Inventors: Jean-Francois Marcoux, Sven Doye, Stephen Buchwald
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Publication number: 20030088127Abstract: The invention is directed to a method of producing one or more 4-aminodiphenylamine intermediates comprising the steps of bringing an aniline or aniline derivative and nitrobenzene into reactive contact and reacting the aniline and nitrobenzene in a confined zone at a suitable time and temperature, in the presence of a mixture comprising an inorganic salt or metal organic salt having a cation that would be a suitable cation of a strong inorganic base, an oxidant and an organic base, the mixture not including a reaction product of betaine and a strong inorganic base.Type: ApplicationFiled: May 10, 2002Publication date: May 8, 2003Inventors: Ralph Dale Triplett, Roger Keranen Rains
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Patent number: 6555959Abstract: A material for a light emitting device which is a compound represented by the following formula (I): wherein Ar1 and Ar6, which are the same or different, each represents a divalent aryl group or a divalent heterocyclic group; R2, R3, R7 and R8, which are the same or different, each represents an aryl group, a heterocyclic group or an aliphatic hydrocarbon group; R4a, R5a, R9a and R10a, which are the same or different, each represents a hydrogen atom or a monovalent group, and at least one of R4a, R5a, R9a and R10a represents an electron withdrawing group having a Hammett's &sgr;p value of 0.Type: GrantFiled: September 29, 2000Date of Patent: April 29, 2003Assignee: Fuji Photo Film Co., Ltd.Inventor: Kazumi Nii
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Publication number: 20030072966Abstract: Materials for organic electroluminescence devices and organic electroluminescence devices which exhibit high efficiency of light emission and have a long life and excellent heat resistance, novel compounds and processes for producing the materials for organic electroluminescence devices are provided.Type: ApplicationFiled: June 26, 2002Publication date: April 17, 2003Applicant: Idemitsu Kosan Co., Ltd.Inventors: Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
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Patent number: 6540793Abstract: Couplers for hair coloring compositions for oxidative dyeing of hair are compounds of the formula (1): wherein R is selected from the group consisting of C1 to C2 alkyl and hydroxyethyl; R1 is selected from the group consisting of a hydrogen, hydroxy, nitro, halogen, C1 to C5 alkyl or haloalkyl, C1 to C5 alkoxy or cycloalkoxy, C1 to C5 hydroxyalkyl and C1 to C5 hydroxyalkoxy; Ar is an aromatic group, preferably an aromatic group selected from the group consisting of a furyl, thienyl, pyridyl, phenyl, 2,3-dihydro-benzo[1,4]dioxin-5 or -6-yl or benzo[1,3]dioxol-4 or -5-yl group; and y=1 to 3.Type: GrantFiled: December 7, 2000Date of Patent: April 1, 2003Assignee: Clairol IncorporatedInventors: Mu-lll Lim, Linas R. Stasaitis, Yuh-Guo Pan
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Patent number: 6541670Abstract: A compound of the general formula I wherein R1 represents a substituent selected from the group consisting of halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, cyano, —CONH2, phenyl, and nitro; R2 represents one or more, same or different substituents selected from the group consisting of hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, amino, (C1-C3)alkyl, (C2-C3)olefinic group, (C1-C3)alkoxy, (C1-C3)alkylthio, (C1-C6)alkylamino, (C1-C3)alkoxycarbonyl, cyano, —CONH2, phenyl, and nitro; R3 represents one or more, same or different substituents selected from the group consisting of hydrogen, halogen, hydroxy, mercapto, trifluoromethyl, cyano, carboxy, carbamoyl, (C1-C10)alkyl, (C2-C10)olefinic group, (C3-C8)monocyclic hydrocarbon group, (C1-C10)alkoxy, (C1-C10)alkylthio, (C1-C10)alkoxycarbonyl, and phenyl; R4 represents hydrogen, (C1-C6)alkyl, (C2-C6)olefinicType: GrantFiled: March 20, 2001Date of Patent: April 1, 2003Assignee: Leo Pharmaceutical Products Ltd. A/SInventor: Erik Rytter Ottosen
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Publication number: 20020052530Abstract: Indane dimer compounds of general formula 5, 6 or 9 and their pharmaceutical use, particularly to achieve smooth muscle relaxing activity and/or mast cell stabilizing activity and/or antiinflammatory activity are described, wherein in formulae 5 and 9, R1 and R3 to R15, and in formula 6, R1, R2 and R4 to R15, are selected from one or more of the same or different of: H, halo, hydroxy, alkoxy, aryloxy, acetoxy, carboxy, alkyl carbonyl, hydro carbonyl, amino, amido, alkylamino, hydroxylamino, amine oxide groups, azo groups, cyano, hydrazino groups, hydrazide groups, hydrazone groups, imide groups, iminoether groups, ureyl groups, oximc, nitro, nitrate, nitrite, nitroso groups, nitrile, heterocyclic groups containing one or more heteroatoms selected from N, O or S, aralkyl groups, mono and polybenzoid aryl groups, substituted aryl groups, thiol, thioureyl, phenylthiol groups, sulphonic acid groups, sulphoxide groups, sulphone groups, alkyl containing 1 to 10 carbon atoms or cycloalkyl groups containing 3 to 8 caType: ApplicationFiled: June 8, 1998Publication date: May 2, 2002Inventors: JOHN WALSH, NEIL FRANKISH, HELEN SHERIDAN, WILLIAM BYRNE
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Patent number: 6380432Abstract: The present invention provides novel aromatic diamines useful in preparing polyimides for optical alignment layers in liquid crystal displays. The novel compositions comprise side-chains general formula I —L1—D—L2—Cf wherein D comprises 1 to 4 carbon-carbon double bonds, Cf is a monovalent C4 to C20 fluorocarbon radical and L1 and L2 are linking groups.Type: GrantFiled: December 20, 2000Date of Patent: April 30, 2002Assignee: Elsicon Inc.Inventors: Wayne M. Gibbons, Patricia A. Rose, Paul J. Shannon, Hanxing Zheng
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Publication number: 20010039361Abstract: The present invention provides novel aromatic diamines useful in preparing polyimides for optical alignment layers in liquid crystal displays.Type: ApplicationFiled: December 20, 2000Publication date: November 8, 2001Inventors: Wayne M. Gibbons, Patricia A. Rose, Paul J. Shannon, Hanxing Zheng