Dibenzofurans (including Hydrogenated) Patents (Class 549/460)
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Publication number: 20120104943Abstract: Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound having a n-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.Type: ApplicationFiled: January 12, 2012Publication date: May 3, 2012Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Tomoki KATO, Masaki Numata, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa
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Publication number: 20120061714Abstract: A substance having a hole-transport property and a wide band gap is provided. A fluorene compound represented by a general formula (G1) is provided. In the general formula (G1), ?1 and ?2 separately represent a substituted or unsubstituted arylene group having 6 to 13 carbon atoms; Ar1 represents a substituted or unsubstituted aryl group having 6 to 18 carbon atoms, a substituted or unsubstituted 4-dibenzothiophenyl group, or a substituted or unsubstituted 4-dibenzofuranyl group; n and k separately represent 0 or 1; Q1 represents sulfur or oxygen; and R1 to R15 separately represent hydrogen, an alkyl group having 1 to 12 carbon atoms, or an aryl group having 6 to 14 carbon atoms.Type: ApplicationFiled: September 7, 2011Publication date: March 15, 2012Inventors: Harue Osaka, Takako Takasu, Hiromi Nowatari, Satoko Shitagaki, Nobuharu Ohsawa, Satoshi Seo, Kyoko Takeda, Sachiko Kawakami, Tsunenori Suzuki
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Publication number: 20120043533Abstract: An aromatic amine derivative represented by the following formula (1): wherein A1 is a substituted or unsubstituted alkyl group, a substituted or unsubstituted aromatic group, a substituted or unsubstituted heterocyclic group or an organic group represented by the following formula (2): wherein X1, X2 and X3 are independently a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group; X1 and X2 are linkage groups which are different from each other; and B1, B2 and B3 are independently a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group.Type: ApplicationFiled: April 22, 2010Publication date: February 23, 2012Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yumiko Mizuki, Masakazu Funahashi
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Patent number: 8114530Abstract: Provided is a material containing at least one phosphorescent metal complex, and a compound represented by the following formula (1): wherein at least one of R1 to R3 is a 9-carbazolyl group which is optionally substituted or an azacarbazolyl group having 2 to 5 nitrogen atoms which is optionally substituted. The material for the organic electroluminescence device may be used as a host material or a hole transporting material. Also provided is an organic electroluminescence device which has an organic thin film layer that contains the material, and exhibits a high emitting efficiency, causes little pixel defects, is excellent in heat resistance, and has a long lifetime.Type: GrantFiled: November 21, 2007Date of Patent: February 14, 2012Assignee: Idemitsu Kosan Co., Ltd.Inventors: Toshihiro Iwakuma, Jun Endo, Masaki Numata, Kenichi Fukuoka
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Patent number: 8105504Abstract: Organic materials which possess outstanding stability to oxidative, thermal or light-induced degradation comprise as stabilizers at least one compound of the formula (I) wherein the general symbols are as defined in claim 1. The compounds of formula I are especially useful as stabilizers for protecting polymers and lubricants against oxidative, thermal or light-induced degradation and as scavengers for oxidized developer in color photographic material.Type: GrantFiled: August 22, 2005Date of Patent: January 31, 2012Assignee: BASF SEInventors: Michèle Gerster, Peter Nesvadba
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Publication number: 20120018710Abstract: A polymerizable monomer represented by the following formula (1) which is substituted by one or more groups comprising a polymerizable functional group wherein Ar1 and Ar4 to Ar6 are independently a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms; and Ar2, Ar3 and L1 are a substituted or unsubstituted arylene group having 6 to 40 ring carbon atoms:Type: ApplicationFiled: February 9, 2010Publication date: January 26, 2012Inventors: Mitsuru Eida, Masami Watanabe, Masahiko Fukuda, Nobuhiro Yabunouchi
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Publication number: 20110315964Abstract: A polymerizable monomer represented by the following formula (1) wherein at least one of Ar1 to Ar3 is substituted by a group represented by the following formula (2) and which is substituted by one or more groups comprising a polymerizable functional group. Ar1 to Ar3 are a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms, Ar6 is a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms and Ar4 and Ar5 are a substituted or unsubstituted arylene group having 6 to 40 ring carbon atoms.Type: ApplicationFiled: March 5, 2010Publication date: December 29, 2011Inventors: Mitsuru Eida, Nobuhiro Yabunouchi, Yumiko Mizuki, Masami Watanabe, Akinori Yomogita
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Publication number: 20110315965Abstract: An organic electroluminescence device and a material for producing the organic electroluminescence device. The organic electroluminescence device includes an organic thin film layer between a cathode and an anode, the organic thin film layer including one or more layers, in which the organic thin film layer includes one or more light emitting layers and at least one of the light emitting layers includes a phosphorescent material and a host material. The host material has an essential structure in which a naphthalene ring is bonded to a fluorene skeleton, dibenzofuran skeleton, or dibenzothiophene skeleton. The organic electroluminescence device is a phosphorescent device having high efficiency and long lifetime.Type: ApplicationFiled: December 22, 2009Publication date: December 29, 2011Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yoriyuki Takashima, Toshihiro Iwakuma, Toshinari Ogiwara, Chishio Hosokawa, Mitsunori Ito
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Patent number: 8084146Abstract: The present invention is a light emitting device material characterized by containing an anthracene compound represented by the following general formula (1), and the present invention allows a light emitting device having high luminous efficiency and excellent durability. (R1 to R10 are a hydrogen atom, alkyl group, cycloalkyl group, heterocyclic group or the like.Type: GrantFiled: May 19, 2005Date of Patent: December 27, 2011Assignee: Toray Industries, Inc.Inventors: Seiichiro Murase, Daisuke Kitazawa, Kazumasa Nagao, Kazunori Sugimoto, Tsuyoshi Tominaga
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Patent number: 8080658Abstract: A material for organic electroluminescence devices for use as a host material in combination with at least one phosphorescent metal complex contains a compound represented by formula 1: wherein R1 to R10 are each independently hydrogen atom, halogen atom, alkyl group having 1 to 40 carbon atoms, cycloalkyl group having 3 to 15 carbon atoms, heterocyclic group having 3 to 20 carbon atoms which is optionally substituted, alkoxy group having 1 to 40 carbon atoms, non-condensed aryl group having 6 to 40 carbon atoms, condensed aryl group having 10 to 18 carbon atoms, aryloxy group having 6 to 20 carbon atoms, aralkyl group having 7 to 20 carbon atoms, arylamino group having 6 to 40 carbon atoms, alkylamino group having 1 to 40 carbon atoms, aralkylamino group having 7 to 60 carbon atoms, arylcarbonyl group having 7 to 40 carbon atoms, alkyl halide group having 1 to 40 carbon atoms, or cyano group, R8 and R9 being optionally bonded to each other to form a ring structure and each of R1 to R10 being optionallyType: GrantFiled: July 10, 2007Date of Patent: December 20, 2011Assignee: Idemitsu Kosan Co., Ltd.Inventors: Toshihiro Iwakuma, Jun Endo, Masaki Numata, Kenichi Fukuoka
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Publication number: 20110303907Abstract: A material for organic electroluminescent devices including a 2,7-disubstituted naphthalene ring in its molecule and an organic electroluminescent device including an organic thin film layer having one or more layers between a cathode and an anode. An organic electroluminescence device having the organic thin film layer which includes the material for organic electroluminescent devices and at least one kind of phosphorescent emitting materials has long lifetime and high current efficiency.Type: ApplicationFiled: December 25, 2009Publication date: December 15, 2011Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Toshihiro Iwakuma, Yoriyuki Takashima, Toshinari Ogiwara
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Publication number: 20110297924Abstract: Provided are a long-lifetime organic electroluminescence device which can be fabricated in an improved yield owing to suppressed crystallization of molecules, and an aromatic amine derivative that realizes the device, i.e., a novel aromatic amine derivative having a specific structure. Specifically provided are an organic electroluminescence device, including an organic thin film layer formed of one or more layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, and an aromatic amine derivative for at least one layer of the organic thin film layer, in particular, a hole transporting layer, the derivative having at least one such structure that a substituent in which two or more specific heterocycles are linked to each other, in particular, a substituent in which two or more specific heterocycles are linked through an aryl group is bonded to an amine through an aryl group.Type: ApplicationFiled: February 16, 2010Publication date: December 8, 2011Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Nobuhiro Yabunouchi, Tomoki Kato
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Publication number: 20110278551Abstract: Provided are an organic electroluminescence device that not only provides high efficiency but also has a long lifetime, and an aromatic amine derivative that realizes the device. The organic electroluminescence device includes an aromatic amine derivative, including at least one substituent A having dibenzofuran and at least one substituent B selected from groups each having dibenzofuran or carbazole, in a molecule thereof, in which the substituent A and the substituent B include groups different from each other, and the substituent A and the substituent B are bonded to the same nitrogen atom, or different nitrogen atoms, in the molecule. The molecules of the aromatic amine derivative hardly crystallize, which improves a yield in the production of the organic electroluminescence device.Type: ApplicationFiled: November 24, 2009Publication date: November 17, 2011Inventors: Nobuhiro Yabunouchi, Masahiro Kawamura, Tomoki Kato
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Publication number: 20110253995Abstract: Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound having a ?-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.Type: ApplicationFiled: June 30, 2011Publication date: October 20, 2011Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Tomoki KATO, Masaki Numata, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa
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Publication number: 20110255048Abstract: The present invention relates to liquid-crystal (LC) media for use in LC displays of the PS (polymer stabilised) or PSA (polymer sustained alignment) type.Type: ApplicationFiled: November 26, 2009Publication date: October 20, 2011Applicant: Merck Patent Gesellschaft MIT Beschraenkter HaftungInventors: Achim Goetz, Melanie Klasen-Memmer, Stepham Derow
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Publication number: 20110248217Abstract: Disclosed are electroluminescent devices that comprise organic layers that contain dibenzofuran compounds. The compounds are suitable components of, for example, blue-emitting, durable, organo-electroluminescent layers. The electroluminescent devices may be employed for full color display panels in, for example, mobile phones, televisions and personal computer screens.Type: ApplicationFiled: June 20, 2011Publication date: October 13, 2011Inventors: JUNICHI TANABE, Hidetaka Oka, Hiroshi Yamamoto
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Publication number: 20110248246Abstract: Provided is a novel aromatic amine derivative represented by General Formula (G1) below. (In the formula, A represents oxygen or sulfur, and R1 to R7 individually represent any of a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted phenyl group, and a substituted or unsubstituted biphenyl group. In addition, ?1 and ?2 individually represent a substituted or unsubstituted phenylene group. Further, Ar1 represents a substituted or unsubstituted condensed aromatic hydrocarbon having 14 to 18 carbon atoms included in a ring. Further, Ar2 represents a substituted or unsubstituted aryl group having 6 to 13 carbon atoms included in a ring. Further, j and n are individually 0 or 1, and p is 1 or 2.Type: ApplicationFiled: April 1, 2011Publication date: October 13, 2011Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Kaori Ogita, Tsunenori Suzuki, Satoshi Seo
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Publication number: 20110226610Abstract: Inventors have developed a chromophore (nitrodibenzylfuranyl, or NBDF) for ultra efficient uncaging of a caged substrate (e.g., an organic molecule such as, for example, an amino acid, a biological molecules, such as, for example, second messengers inside cells). Photolysis of a NBDF derivative of EGTA (i.e. caged calcium) is about 50 times more efficient than others calcium cages (the quantum yield of photolysis is 0.6 and the extinction coefficient is 18,400. NDBF-EGTA has a 2-photon cross section of about 0.3-0.6 GM).Type: ApplicationFiled: February 18, 2011Publication date: September 22, 2011Applicant: Philadelphia Health & Education Corporation d/b/a Drexel University College of MedicineInventors: Graham Ellis-Davies, Atsuya Momotake
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Patent number: 7989644Abstract: Disclosed are electroluminescent devices that comprise organic layers that contain dibenzofuran compounds. The compounds are suitable components of, for example, blue-emitting, durable, organo-electroluminescent layers. The electroluminescent devices may be employed for full color display panels in, for example, mobile phones, televisions and personal computer screens.Type: GrantFiled: May 22, 2006Date of Patent: August 2, 2011Assignee: BASF SEInventors: Junichi Tanabe, Hidetaka Oka, Hiroshi Yamamoto
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Publication number: 20110127517Abstract: Disclosed is a compound containing a divalent group represented by formula (I).Type: ApplicationFiled: July 29, 2009Publication date: June 2, 2011Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Tomoya Nakatani
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Publication number: 20110114928Abstract: Provided are a heterocyclic compound which emits blue light and is represented by General Formula (G1) below, and a light-emitting element, a light-emitting device, an electronic device and a lighting device which are formed using the heterocyclic compound represented by General Formula (G1) below. The use of the heterocyclic compound represented by General Formula (G1) makes it possible to provide a light-emitting element which has high emission efficiency, and also a light-emitting device, an electronic device and a lighting device which have reduced power consumption.Type: ApplicationFiled: November 9, 2010Publication date: May 19, 2011Inventors: Hiroki Suzuki, Tsunenori Suzuki, Satoshi Seo
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Publication number: 20110095273Abstract: This invention relates to deuterated compounds that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.Type: ApplicationFiled: December 21, 2009Publication date: April 28, 2011Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: Hong Meng, Yulong Shen
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Publication number: 20110086454Abstract: Disclosed are electroluminescent materials comprising a homopolymer based on recurring structural units of the formula (I) wherein R9, R9? R9?, R11, R13? R14, R11?, R13?, R14? independently are H or an organic substituent, where at least one of R9, R9? R9?, R11, R13 R14, R11?, R13?, R14? comprises a group R10 of the formula —(Sp)x10-[PG?]< wherein Sp is a divalent organic spacer, PG? is a group derived from a polymerisable group, and x10 is 0 or 1, with substituents and spacer as defined in claim 1. Further disclosed are some novel polymers of this class as well as monomers for their preparation. The homopolymers are advantageously used as a host material in devices further comprising a luminiscent component, which is usually selected from phosphorescent metal complexes and fluorescent dopants.Type: ApplicationFiled: May 19, 2009Publication date: April 14, 2011Applicant: BASF SEInventors: Natalia Chebotareva, Roger Pretot, Paul Adriaan Van Der Schaaf, Annemarie Wolleb, Heinz Wolleb
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Publication number: 20110068683Abstract: Anthracene derivatives each having a structure including an anthracene skeleton, a phenanthrene skeleton selected from among various phenanthrene skeletons different in bonding site which is bonded to the 9-position of the anthracene skeleton and a group selected from among various aryl groups and so on which is bonded to the 10-position of the anthracene skeleton. Organic EL devices made by using the derivatives exhibit high light emission efficiency and a long life.Type: ApplicationFiled: March 19, 2009Publication date: March 24, 2011Inventors: Masahiro Kawamura, Mitsunori Ito
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Patent number: 7897638Abstract: Inventors have developed a chromophore (nitrodibenzylfuranyl, or NBDF) for ultra efficient uncaging of a caged substrate (e.g., an organic molecule such as, for example, an amino acid, a biological molecules, such as, for example, second messengers inside cells). Photolysis of a NBDF derivative of EGTA (i.e. caged calcium) is about 50 times more efficient than others calcium cages (the quantum yield of photolysis is 0.6 and the extinction coefficient is 18,400. NDBF-EGTA has a 2-photon cross section of about 0.3-0.6 GM).Type: GrantFiled: April 12, 2006Date of Patent: March 1, 2011Assignee: Philadelphia Health & Education CorporationInventors: Graham Ellis-Davies, Atsuya Momotake
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Publication number: 20110037057Abstract: This invention relates to deuterated aryl-anthracene compounds that are useful in electronic applications. It also relates to electronic devices in which the active layer includes such a deuterated compound.Type: ApplicationFiled: December 21, 2009Publication date: February 17, 2011Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventors: Daniel David LeCloux, Adam Fennimore, Weiying Gao, Nora Sabina Radu, Weishi Wu, Vsevolod Rostovtsev, Michael Henry Howard, JR., Hong Meng, Yulong Shen, Jeffrey A. Merlo, Eric Maurice Smith
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Publication number: 20100327266Abstract: A monobenzochrysene derivative shown by the following formula (1): wherein R1 to R14 are independently a hydrogen atom or a substituent, and at least one of R1 to R14 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms which does not contain an anthracene skeleton and a benzo[g]chrysene skeleton or a substituted or unsubstituted heteroaryl group having 5 to 50 ring carbon atoms which does not contain an anthracene skeleton and a benzo[g]chrysene skeleton, excluding the case where R8 and R9 are unsubstituted phenyl groups and R1 to R7 and R10 to R14 are hydrogen atoms and the case where R9 is an unsubstituted phenyl group and R1 to R8 and R10 to R14 are hydrogen atoms.Type: ApplicationFiled: November 13, 2008Publication date: December 30, 2010Inventor: Masahiro Kawamura
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Publication number: 20100320451Abstract: A fused aromatic ring derivative shown by the following formula (1): wherein Ra and Rb are independently a hydrogen atom or a substituent, m and n are independently an integer of 1 to 13, and when m and n are two or more, Ras and Rbs may be independently the same or different, and L1 is a single bond or a substituted or unsubstituted divalent linking group, provided that the fused aromatic ring derivative shown by the formula (1) does not have an anthracene ring.Type: ApplicationFiled: November 10, 2008Publication date: December 23, 2010Inventor: Masahiro Kawamura
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Publication number: 20100314615Abstract: Provided are: an aromatic amine derivative in which a terminal substituent such as a dibenzofuran ring or a dibenzothiophene ring is bonded to a nitrogen atom directly or through an arylene group or the like; an organic electroluminescence device including an organic thin film layer formed of one or more layers including a light emitting layer and interposed between a cathode and an anode in which a layer of the organic thin film layer contains the aromatic amine derivative by itself or as a component of a mixture, and the device has a long lifetime and high luminous efficiency; and an aromatic amine derivative for realizing the device.Type: ApplicationFiled: December 22, 2008Publication date: December 16, 2010Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yumiko Mizuki, Masakazu Funahashi, Mitsunori Ito, Masahiro Kawamura
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Patent number: 7846560Abstract: A material for organic electroluminescence devices comprising a compound having a specific structure and an organic electroluminescence device comprising an organic thin film layer which comprises one layer or a plurality of layers comprising at least a light emitting layer and disposed between a cathode and an anode, wherein at least one layer in the organic thin film layer comprises the material for organic electroluminescence devices, are provided. The material provides the organic electroluminescence device exhibiting a great efficiency of light emission, having no defect pixels, exhibiting excellent heat resistance and having a long life.Type: GrantFiled: December 8, 2009Date of Patent: December 7, 2010Assignee: Idemitsu Kosan Co., Ltd.Inventors: Yuki Nakano, Masahide Matsuura, Hidetsugu Ikeda, Toshihiro Iwakuma
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Publication number: 20100301313Abstract: A compound having the following structure as at least a part thereof: wherein FA and FA? are independently a substituted or unsubstituted hydrocarbon aromatic ring or hetero atom-containing aromatic ring, and at least one of FA and FA? is the hetero atom-containing aromatic ring.Type: ApplicationFiled: November 26, 2008Publication date: December 2, 2010Inventors: Mitsunori Ito, Masahiro Kawamura
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Publication number: 20100256396Abstract: An aromatic compound of the following formula (1), (2), (5) or (6), wherein, Ar1 and Ar3 represent a tetra-valent aromatic hydrocarbon group or a tetra-valent heterocyclic group, and Ar2, Ar4, Ar5, Ar6 and Ar7 represent a tri-valent aromatic hydrocarbon group or a tri-valent heterocyclic group, A1 represents —Z1—, —Z2—Z3— or —Z4?Z5—, wherein Z1, Z2 and Z3 represent O, S or the like and Z4 and Z5 represent N, B, P or the like, X1, X2, X3, X4, X9, X10, X11, and X12 represent a halogen atom or the like.Type: ApplicationFiled: June 15, 2010Publication date: October 7, 2010Applicant: Sumitomo Chemical Company, LimitedInventors: Satoshi KOBAYASHI, Satoshi MIKAMI
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Publication number: 20100189826Abstract: The invention provides a Pyracantha koidzumii extract and new compounds isolated from the extract and their derivatives. This extract and these compounds have activity in inhibiting tyrosinase.Type: ApplicationFiled: January 23, 2009Publication date: July 29, 2010Applicant: TAIPEI MEDICAL UNIVERSITYInventors: Mei-Hsien Lee, Feng-Lin Hsu, Yan-Ling Liu
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Publication number: 20100184942Abstract: Compounds (including polymers) for use in hybrid host materials which can be used in electroluminescent devices. The compounds comprise at least one electron-transporting moiety and at least one hole-transporting moiety which are joined by a flexible linker. Hybrid host materials comprising the compounds exhibit stability against phase separation, elevated glass transition temperature, morphological stability against crystallization, and isolation of the electron transporting moiety and hole transporting moiety ?-systems.Type: ApplicationFiled: January 22, 2010Publication date: July 22, 2010Inventors: Shaw H. Chen, Lichang Zeng, Thomas Yung-Hsin Lee
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Patent number: 7754755Abstract: The present invention provides inhibitors of 15-LO according to Formula I, pharmaceutical compositions containing such inhibitors and methods for treating diseases related to the 15-LO cascade using such compounds and compositions.Type: GrantFiled: September 21, 2005Date of Patent: July 13, 2010Assignee: Bristol-Myers Squibb CompanyInventors: Natesan Murugesan, John E. Macor, Zhengxiang Gu, Leena Fadnis
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Publication number: 20100143277Abstract: Skin lightening additives and skin lightening compositions having an acetylcholinesterase inhibitor are described. The compositions are suitable for topical application and may comprise inhibitors like galanthamine, taspine or both.Type: ApplicationFiled: December 10, 2008Publication date: June 10, 2010Applicant: CONOPCO, INC., D/B/A UNILEVERInventor: Stephen Alan Madison
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Publication number: 20100098634Abstract: Provided herein are compounds and compositions which comprise the formulae as disclosed herein, wherein the compound is an amyloid binding compound. An amyloid binding compound according to the invention may be administered to a patient in amounts suitable for in vivo imaging of amyloid deposits, and distinguish between neurological tissue with amyloid deposits and normal neurological tissue. Amyloid probes of the invention may be used to detect and quantitate amyloid deposits in diseases including, for example, Down's syndrome, familial Alzheimer's Disease. In another embodiment, the compounds may be used in the treatment or prophylaxis of neurodegenerative disorders. Also provided herein are methods of allowing the compound to distribute into the brain tissue, and imaging the brain tissue, wherein an increase in binding of the compound to the brain tissue compared to a normal control level of binding indicates that the mammal is suffering from or is at risk of developing a neurodegenerative disease.Type: ApplicationFiled: July 24, 2009Publication date: April 22, 2010Inventors: Hartmuth C. Kolb, Joseph C. Walsh, Wei Zhang, Umesh B. Gangadharmath, Dhanalakshmi Kasi, Kai Chen, Anjana Sinha, Eric Wang, Gang Chen, Peter J.H. Scott, Henry Clifton Padgett, Qianwa Liang, Zhiyong Gao, Tieming Zhao, Chunfang Xia
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Publication number: 20100084971Abstract: A material for organic electroluminescence devices comprising a compound having a specific structure and an organic electroluminescence device comprising an organic thin film layer which comprises one layer or a plurality of layers comprising at least a light emitting layer and disposed between a cathode and an anode, wherein at least one layer in the organic thin film layer comprises the material for organic electroluminescence devices, are provided. The material provides the organic electroluminescence device exhibiting a great efficiency of light emission, having no defect pixels, exhibiting excellent heat resistance and having a long life.Type: ApplicationFiled: December 8, 2009Publication date: April 8, 2010Applicant: IDEMITSU KOSAN CO., LTD.Inventors: Yuki NAKANO, Masahide Matsuura, Hidetsugu Ikeda, Toshihiro Iwakuma
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Patent number: 7651791Abstract: A material for organic electroluminescence devices comprising a compound having a specific structure and an organic electroluminescence device comprising an organic thin film layer which comprises one layer or a plurality of layers comprising at least a light emitting layer and disposed between a cathode and an anode, wherein at least one layer in the organic thin film layer comprises the material for organic electroluminescence devices, are provided. The material provides the organic electroluminescence device exhibiting a great efficiency of light emission, having no defect pixels, exhibiting excellent heat resistance and having a long life.Type: GrantFiled: December 15, 2005Date of Patent: January 26, 2010Assignee: Idemitsu Kosan Co., Ltd.Inventors: Yuki Nakano, Masahide Matsuura, Hidetsugu Ikeda, Toshihiro Iwakuma
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Publication number: 20100001636Abstract: 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 derivative hardly crystallize, organic electroluminescence devices improving their production yield and having prolonged lifetime are provided.Type: ApplicationFiled: April 23, 2009Publication date: January 7, 2010Applicant: Idemitsu Kosan Co., Ltd.Inventor: Nobuhiro YABUNOUCHI
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Publication number: 20090286776Abstract: Compounds of the formula (I): in which R, R1, R2 and R3 are as defined in the description, the use thereof for the treatment of dyslipidaemia, atherosclerosis and diabetes, pharmaceutical compositions comprising them, and processes for the preparation of these compounds.Type: ApplicationFiled: July 23, 2009Publication date: November 19, 2009Inventors: Jean Jacques ZEILLER, Hervè Dumas, Valérie Guyard-Dangremont, Isabelle Berard, Francis Contard, Daniel Guerrier, Gérard Ferrand, Yves Bonhomme
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Patent number: 7618718Abstract: A light-emitting material is represented by the following general formula [1]: useful as an emissive layer of organic electroluminescent device (OELD). The chemical structure L is selected from a group consisting of the chemical structures AA, BB, AB, and the combination thereof. The chemical structures A and B are respectively represented by the following general formulas [2] and [3]: The chemical structure X is selected from the group 4A to 6A elements of the periodic table. The chemical structure B is an aromatic hydrocarbon having n benzenes, wherein n is an integer of 1 to 8.Type: GrantFiled: September 7, 2005Date of Patent: November 17, 2009Assignee: AU Optronics Corp.Inventors: Chia-Liang Tai, Chen-Ping Yu, Ying-Ju Su
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Publication number: 20090281131Abstract: The present invention relates to novel heterocyclic compounds that are useful as phosphodiesterase inhibitors (PDEs) in particular phosphodiesterase type 4 (PDE IV) inhibitors and phosphodiesterase type 10 (PDE 10) inhibitors, processes for their preparation, pharmaceutical compositions containing them and their use in treating allergic and inflammatory diseases as well as for inhibiting the production of Tumor Necrosis Factor (TNF-?).Type: ApplicationFiled: September 10, 2007Publication date: November 12, 2009Inventors: Balasubramanian Gopalan, Dhamjewar Ravi, Shrikant Havale, Swamy Keshavapura Hosamane Sreedhara
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Patent number: 7563900Abstract: The present invention relates to a method of preparing N-(3,5-dichloropyrid-4-yl)-4-difluoromethoxy-8-methanesulfonamido-dibenzo[b,d]furan-1-carboxamide and pharmaceutically acceptable salts thereof, such as its sodium salt, and novel intermediate compounds useful in the synthesis of the aforementioned compound.Type: GrantFiled: October 13, 2005Date of Patent: July 21, 2009Assignee: Glenmark Pharmaceuticals S.A.Inventors: Balasubramanian Gopalan, Laxmikant A. Gharat, Batchu Chandrasekhar, Bijukumar G. Pillai
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Publication number: 20090182143Abstract: The present invention relates to novel heterocyclic compounds, their analogs, their tautomers, their regioisomers, their stereoisomers, their enantiomers, their diastereomers, their polymorphs, their pharmaceutically acceptable salts, their appropriate N-oxides, their pharmaceutically acceptable solvates and their pharmaceutical compositions containing them. The present invention more particularly relates to novel Phosphodiesterase type 4 (PDE4) inhibitors of the Formula (1), their analogs, tautomers, enantiomers, diasteromers, regioisomers, stereoisomers, polymorphs, pharmaceutically acceptable salts, appropriate N-oxide, pharmaceutically acceptable solvates and the pharmaceutical compositions containing them.Type: ApplicationFiled: June 2, 2008Publication date: July 16, 2009Applicant: GLENMARK PHARMACEUTICALS, S.A.Inventors: Balasubramanian Gopalan, Laxmikant A. Gharat, Aftab D. Lakdawala, Usha Karunakaran
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Publication number: 20090131673Abstract: Disclosed are electroluminescent devices that comprise organic layers that contain dibenzofuran compounds. The compounds are suitable components of, for example, blue-emitting, durable, organo-electroluminescent layers. The electroluminescent devices may be employed for full color display panels in, for example, mobile phones, televisions and personal computer screens.Type: ApplicationFiled: May 22, 2006Publication date: May 21, 2009Inventors: Junichi Tanabe, Hidetaka Oka, Hiroshi Yamamoto
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Publication number: 20090105241Abstract: The present invention is related to chemical compositions, processes for the preparation thereof and uses of the composition. Particularly, the present invention relates to compositions of compounds of Formula (A): wherein Ar, Y, R1 and q are as defined herein; and their use in the treatment of diseases, including treatment of sleepiness, promotion of wakefulness, treatment of Parkinson's disease, cerebral ischemia, stroke, sleep apneas, eating disorders, stimulation of appetite and weight gain, treatment of attention deficit hyperactivity disorder (“ADHD”), enhancing function in disorders associated with hypofunctionality of the cerebral cortex, including, but not limited to, depression, schizophrenia, fatigue, in particular, fatigue associated with neurologic disease, such as multiple sclerosis, chronic fatigue syndrome, and improvement of cognitive dysfunction.Type: ApplicationFiled: December 12, 2008Publication date: April 23, 2009Applicant: Cephalon FranceInventors: Brigitte Lesur, Christophe Yue, Sophie Chasset, Olivier Renault
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Patent number: 7514127Abstract: The present invention relates to compounds of the formula I where Y, X1, X2, X3, R1, R2, A1, A2, Z1, Z2, m and n are as defined in Claim 1, to the use thereof as components in liquid-crystalline media, and to electro-optical display elements containing the liquid-crystalline media according to the invention.Type: GrantFiled: March 18, 2005Date of Patent: April 7, 2009Assignee: Merck Patent GmbHInventors: Lars Lietzau, Matthias Bremer, Melanie Klasen-Memmer
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Publication number: 20090082392Abstract: The present invention relates to compounds and pharmaceutically acceptable salts of formula (I): which are useful in the treatment of metabolic disorders related to insulin resistance or hyperglycemia. These compounds include inhibitors of protein tyrosine phosphatase (PTP-1B) that are useful in the treatment of diabetes and other PTP-1B mediated diseases, such as cancer, neurodegenerative diseases and the like. The compounds of the invention are also useful in pharmaceutical compositions and methods of treating the aforementioned conditions.Type: ApplicationFiled: April 15, 2008Publication date: March 26, 2009Inventors: Michael C. Van Zandt, Darren Whitehouse, Kerry Combs, Shaojing Hu
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Publication number: 20090076268Abstract: This invention concerns the synthesis of polycyclic structural components of pharmacological compounds, including the synthesis of fused benzofuro-heterocycles, through selective palladium-catalyzed cross-coupling and intramolecular cyclization.Type: ApplicationFiled: September 12, 2008Publication date: March 19, 2009Inventors: Anne E. Fitzgerald, Jing Liu, Neelakandha S. Mani