Patents by Inventor Jianqiang Qu

Jianqiang Qu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8202994
    Abstract: The present invention relates to processes for preparing pentarylene- and hexarylenetetracarboximides of the general formula (I) or (Ia) or mixtures thereof, to pentarylene and hexarylenetetracarboximides having a high degree of substitution, and to their use.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: June 19, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Jianqiang Qu, Neil Gregory Pschirer, Ruediger Sens
  • Patent number: 8119802
    Abstract: This invention relates to process for preparing fluorinated dyes selected from the group consisting of compounds of the general formulae (I) and (III) and mixtures thereof by reacting the corresponding compounds which do not have R12 or R30 as substituents with compounds of the general formula R12A or R30A where A is selected from the group consisting of I and Br, the compounds obtained from said process and the use of these fluorinated dyes in electrophoretic displays.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: February 21, 2012
    Assignees: BASF Aktiengesellschaft, Sipix Imaging Inc.
    Inventors: Nicolle Moonen, Stephan Hess, Jianqiang Qu, Markus Hoffmann, Ying-Syi Li, Jin Yang, Gerhard Wagenblast, Alfred Rennig, Thomas Gessner, Helmut Reichelt, Patrick Amrhein
  • Patent number: 8071775
    Abstract: Rylene derivatives of the general formula I in which the variables are each defined as follows: Rylene is a polycyclic conjugated ring system which comprises at least one perylene unit may comprise heteroatoms as ring atoms, may be functionalized by moieties comprising —CO— groups and/or may bear further substituents other than the A radicals; A is a radical of the formula X is oxygen or sulfur; R are identical or different radicals: optionally substituted alkyl, cycloalkyl, aryl, hetaryl, —U-aryl where U is an —O—, —S—, —NR2—, —CO—, —SO— or —SO2— moiety, or C1-C12-alkoxy, C1-C6-alkylthio, —C?CR2, —CR2?CR22, hydroxy, mercapto, halogen, cyano, nitro, —NR3R4, —NR3COR4, —CONR3R4, —SO2NR3R4, —COOR3 or —SO3R3; R? are identical or different radicals: hydrogen or one of the R radicals; R2 is hydrogen or alkyl, where the R2 radicals may be the same or different when they occur more than once; R3, R4 are each independently hydrogen; optionally substituted alkyl, aryl or hetaryl; n is from 1 to
    Type: Grant
    Filed: July 6, 2006
    Date of Patent: December 6, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Martin Koenemann, Arno Boehm, Neil Gregory Pschirer, Jianqiang Qu, Gabriele Mattern
  • Patent number: 8052899
    Abstract: The present invention relates to heptarylene- and octarylenetetracarboximides of the general formula (I) to precursors thereof or mixtures thereof, and to processes for their preparation and to their use.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: November 8, 2011
    Assignees: BASF Aktiengesellschaft, Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.
    Inventors: Jianqiang Qu, Neil Gregory Pschirer, Martin Koenemann, Klaus Muellen, Yuri Avlasevic
  • Publication number: 20110203649
    Abstract: The present invention relates to an organic solar cell which comprises at least one photoactive region which comprises at least one indanthrene compound which is in contact with at least one fullerene compound, and to the use of indanthrene compounds in organic photovoltaics, especially in the form of a component cell of a tandem cell.
    Type: Application
    Filed: February 17, 2011
    Publication date: August 25, 2011
    Applicant: BASF SE
    Inventors: Martin Könemann, Regina Höh, Jae Hyung Hwang, Christian Dörr, JianQiang Qu, Gerd Weber, Gabriele Mattern, Peter Erk
  • Publication number: 20110039989
    Abstract: The present invention relates to pentarylenetetracarboximides of the formula (I) or (Ia) or mixtures thereof to processes for preparation thereof, and to the precursors and use thereof.
    Type: Application
    Filed: April 21, 2009
    Publication date: February 17, 2011
    Applicant: BASE SE
    Inventors: Jianqiang Qu, Neil Gregory Pschirer
  • Publication number: 20100324293
    Abstract: The invention relates to novel perylenetetracarboxylic acid bisimide derivatives with improved performance properties.
    Type: Application
    Filed: August 9, 2010
    Publication date: December 23, 2010
    Applicant: Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.
    Inventors: Christopher Kohl, Jianqiang Qu, Klaus Müllen
  • Publication number: 20100317876
    Abstract: Rylene derivatives of the general formula I in which the variables are each defined as follows: X are joined to one another with formation of a six-membered ring to give a radical of the formula (a), (b) or (c) are both a —COOM radical; are both hydrogen or one of the two radicals is hydrogen and the other radical is halogen or a radical of the formula (d) Y are joined to one another with formation of a six-membered ring to give a radical of the formula (a) when one of the two X radicals is hydrogen and the other X radical is halogen or a radical of the formula (d) or when both X radicals are hydrogen or together are a radical of the formula (a), (b) or (c); are joined to one another with formation of a six-membered ring to give a radical of the formula (b) when one of the two X radicals is hydrogen and the other X radical is halogen or a radical of the formula (d) or when both X radicals are hydrogen or a —COOM radical or together are a radical of the formula (c); are joined to one anot
    Type: Application
    Filed: August 3, 2010
    Publication date: December 16, 2010
    Applicant: BASF Aktiengesellschaft
    Inventors: Neil Gregory Pschirer, Jianqiang Qu, Martin Könemann
  • Patent number: 7799919
    Abstract: The invention relates to novel perylenetetracarboxdiimide derivatives with improved performance properties.
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: September 21, 2010
    Assignee: Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.
    Inventors: Christopher Kohl, Jianqiang Qu, Klaus Müllen
  • Patent number: 7795432
    Abstract: The invention relates to novel perylenetetracarboxylic acid bisimide derivatives with improved performance properties.
    Type: Grant
    Filed: February 27, 2004
    Date of Patent: September 14, 2010
    Assignee: Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V.
    Inventors: Christopher Kohl, Jianqiang Qu, Klaus Müllen
  • Patent number: 7795431
    Abstract: A rylenetetracarboxylic monoimide monoanhydride, a salt thereof; methods of making the rylenetetracarboxylic monoimide monoanhydride and the salt thereof; and materials, additives, and aqueous dispersions containing the rylenetetracarboxylic monoimide monoanhydride and/or the salt thereof.
    Type: Grant
    Filed: May 3, 2006
    Date of Patent: September 14, 2010
    Assignee: BASF Aktiengesellschaft
    Inventors: Neil Gregory Pschirer, Jianqiang Qu, Martin Koenemann
  • Publication number: 20100072438
    Abstract: The present invention relates to heptarylene- and octarylenetetracarboximides of the general formula (I) to precursors thereof or mixtures thereof, and to processes for their preparation and to their use.
    Type: Application
    Filed: October 25, 2007
    Publication date: March 25, 2010
    Applicants: BASF SE, MAX-PLANCK-GESELL.ZUR FOERD.DER WISSEN.E.V.
    Inventors: Jianqiang Qu, Neil Gregory Pschirer, Martin Koenemann, Klaus Muellen, Yuri Avlasevic
  • Publication number: 20100059716
    Abstract: The present invention relates to processes for preparing pentarylene- and hexarylenetetracarboximides of the general formula (I) or (Ia) or mixtures thereof, to pentarylene and hexarylenetetracarboximides having a high degree of substitution, and to their use.
    Type: Application
    Filed: October 30, 2007
    Publication date: March 11, 2010
    Applicant: BASF SE
    Inventors: Jianqiang Qu, Neil Gregory Pschirer, Ruediger Sens
  • Publication number: 20090124732
    Abstract: Rylenetetracarboximides of the general formula I in which the variables are each defined as follows: R, R? are each independently hydrogen; optionally substituted C1-C30-alkyl, C3-C8-cycloalkyl, aryl or hetaryl; R1 is hydrogen or C1-C6-alkyl; R2, R3 are each independently hydrogen; optionally substituted C1-C18-alkyl, aryl or hetaryl; A is a 5- to 9-membered ring which is bonded via a nitrogen atom and whose carbon chain may be interrupted by one or more —O—, —S—, —NR1—, —CO— and/or —SO2— moieties, to which one or two unsaturated or saturated 4- to 8-membered rings may be fused, whose carbon chain may likewise be interrupted by these moieties and/or —N?, and the overall ring system may be mono- or polysubstituted, and where the A radicals may be the same or different when m>1; X is chlorine or bromine, and the X radicals may be the same or different when x>1; Z is optionally substituted C3-C20-alkyl, C3-C20-alken-2-yl, C3-C20-alkyn-2-yl, aryloxy, arylthio, hetaryloxy or hetarylthio, where the Z rad
    Type: Application
    Filed: November 26, 2005
    Publication date: May 14, 2009
    Applicant: BASF Aktiengesellschaft
    Inventors: Martin Konemann, Jianqiang Qu, Klaus Mullen
  • Publication number: 20080269485
    Abstract: This invention relates to process for preparing fluorinated dyes selected from the group consisting of compounds of the general formulae (I) and (III) and mixtures thereof by reacting the corresponding compounds which do not have R12 or R30 as substituents with compounds of the general formula R12A or R30A where A is selected from the group consisting of I and Br, the compounds obtained from said process and the use of these fluorinated dyes in electrophoretic displays.
    Type: Application
    Filed: August 29, 2007
    Publication date: October 30, 2008
    Applicants: BASF Aktiengesellschaft, SIPIX IMAGING, INC.
    Inventors: Nicolle MOONEN, Stephan Hess, Jianqiang Qu, Markus Hoffmann, Ying-Syi Li, Jin Yang, Gerhard Wagenblast, Alfred Rennig, Thomas Gessner, Helmut Reichelt, Patrick Amrhein
  • Publication number: 20080269482
    Abstract: Use of rylene derivatives I with the following definition of the variables: X together both —COOM; Y a radical -L-NR1R2 ??(y1) -L-Z-R3 ??(y2) the other radical hydrogen; together both hydrogen; R is optionally substituted (het)aryloxy, (het)arylthio; P is —NR1R2; B is alkylene; optionally substituted phenylene; combinations thereof; A is —COOM; —SO3M; —PO3M2; D is optionally substituted phenylene, naphthylene, pyridylene; M is hydrogen; alkali metal cation; [NR5]4+; L is a chemical bond; optionally indirectly bonded, optionally substituted (het)arylene radical; R1, R2 are optionally substituted (cyclo)alkyl, (het)aryl; together optionally substituted ring comprising the nitrogen atom; Z is —O—; —S—; R3 is optionally substituted alkyl, (het)aryl; R? is hydrogen; optionally substituted (cyclo)alkyl, (het)aryl; R5 is hydrogen; optionally substituted alkyl (het)aryl; m is 0, 1, 2; n, p m=0: 0, 2, 4 where: n+p=2, 4, if appropriate 0; m=1: 0, 2, 4 where: n+p=0, 2, 4; m=2: 0, 4,
    Type: Application
    Filed: November 6, 2006
    Publication date: October 30, 2008
    Applicants: BASF SE, MAX-PLANCK-GESEL.ZUR FOERDERUNG DER WISSEN. E.V.
    Inventors: Neil Gregory Pschirer, Felix Eickemeyer, Jan Schoneboom, Jianqiang Qu, Martin Konemann, Klaus Mullen, Chen Li, Andreas Herrmann, Peter Erk, Gero Nordmann, Alfred Kuhn, Anders Hagfeldt, Tomas Edvinsson
  • Publication number: 20080255357
    Abstract: Rylene derivatives of the general formula I in which the variables are each defined as follows: X are joined to one another with formation of a six-membered ring to give a radical of the formula (a), (b) or (c) are both a —COOM radical; are both hydrogen or one of the two radicals is hydrogen and the other radical is halogen or a radical of the formula (d) Y are joined to one another with formation of a six-membered ring to give a radical of the formula (a) when one of the two X radicals is hydrogen and the other X radical is halogen or a radical of the formula (d) or when both X radicals are hydrogen or together are a radical of the formula (a), (b) or (c); are joined to one another with formation of a six-membered ring to give a radical of the formula (b) when one of the two X radicals is hydrogen and the other X radical is halogen or a radical of the formula (d) or when both X radicals are hydrogen or a —COOM radical or together are a radical of the formula (c); are joined to one anot
    Type: Application
    Filed: May 3, 2006
    Publication date: October 16, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Neil Gregory Pschirer, Jianqiang Qu, Martin Konemann
  • Publication number: 20080167467
    Abstract: Rylene derivatives of the general formula I in which the variables are each defined as follows: Rylene is a polycyclic conjugated ring system which comprises at least one perylene unit may comprise heteroatoms as ring atoms, may be functionalized by moieties comprising —CO— groups and/or may bear further substituents other than the A radicals; A is a radical of the formula X is oxygen or sulfur; R are identical or different radicals: optionally substituted alkyl, cycloalkyl, aryl, hetaryl, —U-aryl where U is an —O—, —S—, —NR2—, —CO—, —SO— or —SO2— moiety, or C1-C12-alkoxy, C1-C6-alkylthio, —C?CR2, —CR2?CR22, hydroxy, mercapto, halogen, cyano, nitro, —NR3R4, —NR3COR4, —CONR3R4, —SO2NR3R4, —COOR3 or —SO3R3; R? are identical or different radicals: hydrogen or one of the R radicals; R2 is hydrogen or alkyl, where the R2 radicals may be the same or different when they occur more than once; R3, R4 are each independently hydrogen; optionally substituted alkyl, aryl or hetaryl; n is from 1 to
    Type: Application
    Filed: July 6, 2006
    Publication date: July 10, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Martin Konemann, Arno Bohm, Neil Gregory Pschirer, Jianqiang Qu, Gabriele Mattern
  • Patent number: 7358362
    Abstract: A process for preparing terylene-3,4:11,12-tetracarboximides I where the variables are each defined as follows: R, R? are each independently hydrogen; if desired substituted alkyl or cycloalkyl; R1 is hydrogen or alkyl; R2 is hydrogen; alkyl; if desired substituted aryl or hetaryl, by reacting a perylene-3,4-dicarboximide II in the presence of a base-stable, high-boiling organic solvent and of an alkali metal or alkaline earth metal base, with a naphthalene-1,8-dicarboximide III in which X is hydrogen, bromine or chlorine.
    Type: Grant
    Filed: January 15, 2005
    Date of Patent: April 15, 2008
    Assignees: BASF Aktiengesellschaft, Maz-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
    Inventors: Martin Koenemann, Arno Boehm, Willi Helfer, Juergen Romeis, Jianqiang Qu, Klaus Muellen
  • Publication number: 20070155968
    Abstract: A process for preparing terylene-3,4:11,12-tetracarboximides I where the variables are each defined as follows: R, R? are each independently hydrogen; if desired substituted alkyl or cycloalkyl; R1 is hydrogen or alkyl; R2 is hydrogen; alkyl; if desired substituted aryl or hetaryl, by reacting a perylene-3,4-dicarboximide II in the presence of a base-stable, high-boiling organic solvent and of an alkali metal or alkaline earth metal base, with a naphthalene-1,8-dicarboximide III in which X is hydrogen, bromine or chlorine.
    Type: Application
    Filed: January 15, 2005
    Publication date: July 5, 2007
    Applicants: BASF AKTIENGESELLSCHAFT, MAX-PLANCK-GESEL, ZUR FOREDERUNG DER WISSEN. E.V.
    Inventors: Martin Konemann, Arno Bohm, Willi Helfer, Jurgen Romeis, Jianqiang Qu, Klaus Mullen