Two Carbocyclic Rings, At Least One Of Which Is Benzene, Bonded Directly To The Same Nitrogen Patents (Class 564/431)
  • Patent number: 9029603
    Abstract: 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: Grant
    Filed: September 14, 2012
    Date of Patent: May 12, 2015
    Assignee: Jiangsu Sinorgchem Technology Co., Ltd.
    Inventors: Xiaogen Feng, Nongyue Wang, Xiaohui Mao, Ruibiao Yu, Qianwen Cheng
  • Publication number: 20150083223
    Abstract: 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: Application
    Filed: September 25, 2013
    Publication date: March 26, 2015
    Applicants: Tohoku University, Showa Denko K.K.
    Inventors: Tienan JIN, Weili Si, Yoshinori Yamamoto, Takeshi Igarashi
  • Patent number: 8932980
    Abstract: 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: Grant
    Filed: July 20, 2011
    Date of Patent: January 13, 2015
    Assignee: Council of Scientific & Industrial Research
    Inventors: Srinivas Darbha, Anuj Kumar
  • Patent number: 8729310
    Abstract: 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: Grant
    Filed: September 20, 2010
    Date of Patent: May 20, 2014
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Harue Osaka, Hiroto Inoue
  • Patent number: 8703304
    Abstract: 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: Grant
    Filed: March 7, 2012
    Date of Patent: April 22, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventor: Nobuhiro Yabunouchi
  • Patent number: 8629613
    Abstract: 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: Grant
    Filed: December 21, 2005
    Date of Patent: January 14, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Nobuhiro Yabunouchi, Hisayuki Kawamura
  • Patent number: 8623522
    Abstract: 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: Grant
    Filed: January 27, 2012
    Date of Patent: January 7, 2014
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Nobuhiro Yabunouchi, Tetsuya Inoue
  • Publication number: 20130225596
    Abstract: 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: Application
    Filed: August 9, 2011
    Publication date: August 29, 2013
    Inventors: Hiroyuki Kai, Takeshi Endoh, Sae Jikihara, Kentaro Asahi, Tohru Horiguchi
  • Publication number: 20130116453
    Abstract: 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: Application
    Filed: July 20, 2011
    Publication date: May 9, 2013
    Applicant: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Srinivas Darbha, Anuj Kumar
  • Patent number: 8431248
    Abstract: 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: Grant
    Filed: March 1, 2011
    Date of Patent: April 30, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Harue Nakashima, Sachiko Kawakami, Daisuke Kumaki
  • Patent number: 8367869
    Abstract: 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: Grant
    Filed: July 25, 2011
    Date of Patent: February 5, 2013
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Chishio Hosokawa, Yoriyuki Takashima, Masakazu Funahashi
  • Publication number: 20120302541
    Abstract: 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: Application
    Filed: October 28, 2010
    Publication date: November 29, 2012
    Inventors: 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
  • Patent number: 8022253
    Abstract: 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: Grant
    Filed: April 18, 2007
    Date of Patent: September 20, 2011
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Chishio Hosokawa, Yoriyuki Takashima, Masakazu Funahashi
  • Patent number: 7910762
    Abstract: 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: Grant
    Filed: September 28, 2009
    Date of Patent: March 22, 2011
    Assignee: Japan Science and Technology Agency
    Inventors: Shu Kobayashi, Haruro Ishitani, Yasuhiro Yamashita
  • Publication number: 20110028718
    Abstract: 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: Application
    Filed: August 21, 2008
    Publication date: February 3, 2011
    Applicant: Johnson Matthey Public Limited Company
    Inventors: Jianliang Xiao, Jiwu Ruan
  • Patent number: 7879462
    Abstract: 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: Grant
    Filed: March 23, 2006
    Date of Patent: February 1, 2011
    Assignee: 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
  • Patent number: 7825211
    Abstract: 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: Grant
    Filed: June 22, 2007
    Date of Patent: November 2, 2010
    Assignee: The Boeing Company
    Inventors: Hyman Ralph Lubowitz, Thomas Karl Tsotsis
  • Publication number: 20100039027
    Abstract: 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: Application
    Filed: February 19, 2008
    Publication date: February 18, 2010
    Applicant: IDEMITSU KOSAN CO., LTD
    Inventors: Yoriyuki Takashima, Masakazu Funahashi, Takashi Arakane, Yumiko Mizuki, Hiroshi Yamamoto, Chishio Hosokawa, Kiyoshi Ikeda
  • Publication number: 20100029968
    Abstract: 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: Application
    Filed: September 28, 2009
    Publication date: February 4, 2010
    Applicant: Japan Science and Technology Agency
    Inventors: Shu Kobayashi, Haruro Ishitani, Yasuhiro Yamashita
  • Patent number: 7563548
    Abstract: 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: Grant
    Filed: November 30, 2004
    Date of Patent: July 21, 2009
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Akihiro Kondoh, Takatsugu Obata
  • Publication number: 20090156441
    Abstract: 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: Application
    Filed: December 12, 2007
    Publication date: June 18, 2009
    Inventors: Robert G. Rowland, Theodore E. Nalesnik, Joseph P. Hartley, Neal J. Milne, Paul Wilson
  • Publication number: 20090156449
    Abstract: 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: Application
    Filed: September 17, 2008
    Publication date: June 18, 2009
    Inventors: Robert G. Rowland, Joseph F. Stieber, Clifford M. Pratt, Ronald D. Abbott
  • Patent number: 7402344
    Abstract: 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: Grant
    Filed: March 24, 2004
    Date of Patent: July 22, 2008
    Assignee: Sony Corporation
    Inventors: Mari Ichimura, Tadashi Ishibashi, Shinichiro Tamura
  • Patent number: 7378204
    Abstract: 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: Grant
    Filed: June 15, 2005
    Date of Patent: May 27, 2008
    Assignee: Xerox Corporation
    Inventors: Yu Qi, Nan-Xing Hu, Gregory McGuire, Cheng-Kuo Hsiao
  • Publication number: 20080039581
    Abstract: 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: Application
    Filed: July 21, 2005
    Publication date: February 14, 2008
    Inventors: Beverley Anne Brown, Stephen William Leeming, Richard Williams
  • Patent number: 7264890
    Abstract: 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: Grant
    Filed: August 28, 2003
    Date of Patent: September 4, 2007
    Assignee: Konica Corporation
    Inventors: Hiroshi Kita, Yoshiyuki Suzuri, Taketoshi Yamada, Kazuaki Nakamura, Noriko Ueda, Yasushi Okubo
  • Patent number: 7217841
    Abstract: 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: Grant
    Filed: April 15, 2004
    Date of Patent: May 15, 2007
    Assignee: Ciba Specialty Chemicals Corp.
    Inventors: Hans-Rudolf Meier, Gerrit Knobloch, Samuel Evans
  • Patent number: 7008962
    Abstract: 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: Grant
    Filed: May 30, 2001
    Date of Patent: March 7, 2006
    Assignee: Smithkline Beecham Corporation
    Inventors: Michael R. Palovich, Brent McCleland, Guangping Bi, Michelle Werner, Katherine L. Widdowson
  • Patent number: 6951693
    Abstract: 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 unsu
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: October 4, 2005
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
  • Patent number: 6943195
    Abstract: (?)-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: Grant
    Filed: June 27, 2002
    Date of Patent: September 13, 2005
    Assignee: Nikken Chemicals Co., Ltd
    Inventors: Toshihiko Akiyama, Shinji Ina, Akane Takahama
  • Patent number: 6936189
    Abstract: 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: Grant
    Filed: March 4, 2004
    Date of Patent: August 30, 2005
    Assignee: Chisso Corporation
    Inventors: Wang Guofang, Manabu Uchida, Hajime Yokoi, Takaharu Nakano, Kenji Furukawa
  • Patent number: 6929870
    Abstract: 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: Grant
    Filed: August 10, 2001
    Date of Patent: August 16, 2005
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tsutomu Ishida, Takehiko Shimamura, Yoshiyuki Totani, Masakatsu Nakatsuka
  • Publication number: 20040265627
    Abstract: 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: Application
    Filed: March 24, 2004
    Publication date: December 30, 2004
    Inventors: Mari Ichimura, Tadashi Ishibashi, Shinichiro Tamura
  • Patent number: 6835472
    Abstract: 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: Grant
    Filed: September 12, 2002
    Date of Patent: December 28, 2004
    Assignee: Chi Mei Optoelectronics Corp.
    Inventors: Ruey Min Chen, Chun Che Hsu, Jun Wen Chung
  • Patent number: 6814761
    Abstract: 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: Grant
    Filed: August 15, 2002
    Date of Patent: November 9, 2004
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Frank Naumann, David Rose, Bernd Meinigke, Horst Hoeffkes
  • Patent number: 6762329
    Abstract: 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: Grant
    Filed: April 25, 2002
    Date of Patent: July 13, 2004
    Assignee: Massachusetts Institute of Technology
    Inventors: Jean-Francois Marcoux, Sven Doye, Stephen Buchwald
  • Patent number: 6743948
    Abstract: 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: Grant
    Filed: August 25, 2000
    Date of Patent: June 1, 2004
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
  • Patent number: 6713135
    Abstract: 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: Grant
    Filed: December 19, 2000
    Date of Patent: March 30, 2004
    Assignee: Elsicon, Inc.
    Inventors: Wayne M. Gibbons, Patricia A. Rose, Paul J. Shannon, Hanxing Zheng
  • Patent number: 6653510
    Abstract: 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: Grant
    Filed: November 28, 2001
    Date of Patent: November 25, 2003
    Assignee: Avecia Limited
    Inventors: Beverley Anne Brown, Janos Veres, Joanne Victoria Allen, John Dylan Morgan, Stephen William Leeming
  • Publication number: 20030164678
    Abstract: An organic electroluminescent device comprises an organic layer between a pair of electrodes.
    Type: Application
    Filed: September 10, 2002
    Publication date: September 4, 2003
    Inventors: Yasuhiko Shirota, Yutaka Ohsedo, Kazuyuki Moriwaki, Kenji Okumoto
  • Patent number: 6583246
    Abstract: 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: Grant
    Filed: November 6, 2001
    Date of Patent: June 24, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Grün, Thomas Knauf, Wilfried Braubach
  • Publication number: 20030088128
    Abstract: 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: Application
    Filed: April 25, 2002
    Publication date: May 8, 2003
    Inventors: Jean-Francois Marcoux, Sven Doye, Stephen Buchwald
  • Publication number: 20030088127
    Abstract: 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: Application
    Filed: May 10, 2002
    Publication date: May 8, 2003
    Inventors: Ralph Dale Triplett, Roger Keranen Rains
  • Patent number: 6555959
    Abstract: 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: Grant
    Filed: September 29, 2000
    Date of Patent: April 29, 2003
    Assignee: Fuji Photo Film Co., Ltd.
    Inventor: Kazumi Nii
  • Publication number: 20030072966
    Abstract: 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: Application
    Filed: June 26, 2002
    Publication date: April 17, 2003
    Applicant: Idemitsu Kosan Co., Ltd.
    Inventors: Chishio Hosokawa, Masakazu Funahashi, Hisayuki Kawamura, Hiromasa Arai, Hidetoshi Koga, Hidetsugu Ikeda
  • Patent number: 6541670
    Abstract: 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)olefinic
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: April 1, 2003
    Assignee: Leo Pharmaceutical Products Ltd. A/S
    Inventor: Erik Rytter Ottosen
  • Patent number: 6540793
    Abstract: 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: Grant
    Filed: December 7, 2000
    Date of Patent: April 1, 2003
    Assignee: Clairol Incorporated
    Inventors: Mu-lll Lim, Linas R. Stasaitis, Yuh-Guo Pan
  • Publication number: 20020052530
    Abstract: 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 ca
    Type: Application
    Filed: June 8, 1998
    Publication date: May 2, 2002
    Inventors: JOHN WALSH, NEIL FRANKISH, HELEN SHERIDAN, WILLIAM BYRNE
  • Patent number: 6380432
    Abstract: 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: Grant
    Filed: December 20, 2000
    Date of Patent: April 30, 2002
    Assignee: Elsicon Inc.
    Inventors: Wayne M. Gibbons, Patricia A. Rose, Paul J. Shannon, Hanxing Zheng
  • Publication number: 20010039361
    Abstract: The present invention provides novel aromatic diamines useful in preparing polyimides for optical alignment layers in liquid crystal displays.
    Type: Application
    Filed: December 20, 2000
    Publication date: November 8, 2001
    Inventors: Wayne M. Gibbons, Patricia A. Rose, Paul J. Shannon, Hanxing Zheng