Patents by Inventor Xinliang Feng
Xinliang Feng 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).
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Patent number: 11731876Abstract: The invention relates to a method for producing a functionalised semiconductor or conductor material from a layered structured base material by electrolytic exfoliation in an electrolysis cell, comprising at least one electrode pair consisting of first and second electrodes, and an aqueous and/or alcoholic electrolyte solution, containing sulphuric acid and/or at least one salt selected from sulphate and/or hydrogen sulphate and/or perchlorate and/or persulphate salt, comprising the steps of: a) bringing the electrodes into contact with the electrolyte solution; b) electronically exfoliating the base material by applying a voltage between the first and the second electrode; c) separating the functionalised conductor or semiconductor material from the electrolyte solution, wherein at least the first of the electrodes of the electrode pair contains the layered, carbon-based base material, the first electrode being connected as an anode, wherein at least one organic compound is added to the electrolyte solutionType: GrantFiled: December 19, 2018Date of Patent: August 22, 2023Assignee: SIXONIA TECH GMBHInventors: Martin R. Lohe, Xinliang Feng, Ali Shaygan Nia
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Publication number: 20220333010Abstract: Provided are soluble graphene quantum dots and light-emitting devices including the same. The soluble graphene quantum dot has an anthracenyl N-alkyl maleimide functional group at an edge thereof, thereby exhibiting improved solubility and/or improved emission characteristics.Type: ApplicationFiled: April 14, 2022Publication date: October 20, 2022Applicant: Samsung Electronics Co., Ltd.Inventors: Sangwon KIM, Xinliang FENG, Fupeng WU, Junzhi LIU, Klaus MUELLEN, Wenhui NIU, Hyeonjin SHIN
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Publication number: 20220325053Abstract: The present invention relates to a method for the synthesis of a two-dimensional or quasi-two-dimensional polymer comprising a surfactant, the two-dimensional or quasi-two-dimensional polymer film and the use for the production of membranes, electronic devices or catalysts.Type: ApplicationFiled: August 11, 2020Publication date: October 13, 2022Applicant: TECHNISCHE UNIVERSITÄT DRESDENInventors: Xinliang FENG, Renhao DONG, Kejun LIU
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Publication number: 20210078865Abstract: The invention relates to a method for producing a functionalised semiconductor or conductor material from a layered structured base material by electrolytic exfoliation in an electrolysis cell, comprising at least one electrode pair consisting of first and second electrodes, and an aqueous and/or alcoholic electrolyte solution, containing sulphuric acid and/or at least one salt selected from sulphate and/or hydrogen sulphate and/or perchlorate and/or persulphate salt, comprising the steps of: a) bringing the electrodes into contact with the electrolyte solution; b) electronically exfoliating the base material by applying a voltage between the first and the second electrode; c) separating the functionalised conductor or semiconductor material from the electrolyte solution, wherein at least the first of the electrodes of the electrode pair contains the layered, carbon-based base material, the first electrode being connected as an anode, wherein at least one organic compound is added to the electrolyte solutionType: ApplicationFiled: December 19, 2018Publication date: March 18, 2021Applicant: SIXONIA TECH GMBHInventors: Martin R. LOHE, Xinliang FENG, Ali Shaygan NIA
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Patent number: 10840460Abstract: The present invention relates to azaborinine derivatives their synthesis as well as their use in organic electronic devices, particularly in organic light emitting devices, organic photovoltaic devices and organic photodetectors.Type: GrantFiled: September 16, 2014Date of Patent: November 17, 2020Assignee: Flexenable LimitedInventors: Fan Zhang, Xinyang Wang, Ruizhi Tang, Yubin Fu, Xiaodong Zhuang, Xinliang Feng, Dongqing Wu
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Publication number: 20200253447Abstract: The present disclosure provides a sweeper that includes a fluid delivery system for providing cleaning fluid to a floor surface. The sweeper can be configured to perform multiple cleaning functions, including wet mopping and dry sweeping. The sweeper can have a collection cup and a microfiber brushroll which mechanically propels dirt and liquid from the surface to be cleaned into the collection cup.Type: ApplicationFiled: February 12, 2020Publication date: August 13, 2020Inventors: Guoshun Wang, Jincheng Xia, Xinliang Feng, Feng Chun Li, JianJun Yu, Danielle Boils, Colin J. Bloemendaal
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Patent number: 10329378Abstract: Provided are graphene nanoribbons with controlled zig-zag edge and cove edge configuration and methods for preparing such graphene nanoribbons. The nanoribbons are selected from the following formulae.Type: GrantFiled: February 9, 2015Date of Patent: June 25, 2019Assignees: BASF SE, EMPA-Eidgenoessische Materialpruefungs-und Forschungsanstalt, Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.Inventors: Matthias Georg Schwab, Klaus Muellen, Xinliang Feng, Bo Yang, Tim Dumslaff, Roman Fasel, Pascal Ruffieux, Jia Liu, Jinming Cai, Carlos Sanchez-Sanchez, Junzhi Liu
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Patent number: 9975777Abstract: The present invention relates to a segmented graphene nanoribbon, comprising at least two different graphene segments covalently linked to each other, each graphene segment having a monodisperse segment width, wherein the segment width of at least one of said graphene segments is 4 nm or less and to a method for preparing it by polymerizing at least one polycyclic aromatic monomer compound and/or at least one oligo phenylene aromatic hydrocarbon monomer compound to form at least one polymer and by at least partially cyclodehydrogenating the one or more polymer.Type: GrantFiled: November 13, 2012Date of Patent: May 22, 2018Assignees: BASF SE, EMPA MATERIALS SCIENCE AND TECHNOLOGYInventors: Roman Fasel, Pascal Ruffieux, Klaus Muellen, Stephan Blankenburg, Jinming Cai, Xinliang Feng, Carlo Pignedoli, Daniele Passerone
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Patent number: 9676755Abstract: The present invention relates to a graphene nanoribbon, comprising a repeating unit which comprises at least one modification, wherein the modification is selected from a heteroatomic substitution, a vacancy, a sp3 hybridization, a Stone-Wales defect, an inverse Stone-Wales defect, a hexagonal sp2 hybridized carbon network ring size modification, and any combination thereof.Type: GrantFiled: May 13, 2013Date of Patent: June 13, 2017Assignees: BASF SE, EMPA-EIDGENOESSISCHE MATERIALPRUEFUNGS-UND FORSCHUNGSANSTALT, MAX-PLANCK-GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFEN E.V.Inventors: Roman Fasel, Pascal Ruffieux, Klaus Muellen, Jinming Cai, Xinliang Feng, Reinhard Berger
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Publication number: 20170081192Abstract: The present invention concerns ortho-Terphenyls of general formula (I); wherein R1, R2, R3 and R4 are independently selected from the group consisting of H; CN; NO2; and saturated, unsaturated or aromatic C1-C40 hydrocarbon residues, which can be substituted 1- to 5-fold with F, CI, OH, NH2, CN and/or NO2, and wherein one or more —CH2-groups can be replaced by —O—, —NH—, —S—, —C(?O)O—, —OC(?O)— and/or —C(?O)—; and X and Y are the same or different, and selected from the group consisting of F, CI, Br, I, and OTf (trifluoromethanesulfonate); and their use for the preparation of graphene nanoribbons as well as a process for the preparation of graphene nanoribbons from said ortho-Terphenyls.Type: ApplicationFiled: May 12, 2015Publication date: March 23, 2017Applicants: BASF SE, Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.Inventors: Matthias Georg SCHWAB, Klaus MUELLEN, Xinliang FENG, Tim DUMSLAFF, Pascal RUFFIEUX, Roman FASEL
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Publication number: 20170051101Abstract: Provided are graphene nanoribbons with controlled zig-zag edge and cove edge configuration and methods for preparing such graphene nanoribbons. The nanoribbons are selected from the following formulae.Type: ApplicationFiled: February 9, 2015Publication date: February 23, 2017Applicants: BASF SE, EMPA-Eidgenoessische Materialpruefungs- Und Forschngsanstalt, Max-Planck-Geselischaft zur Foerderung der Wissenschaften e.V.Inventors: Matthias Georg SCHWAB, Klaus MUELLEN, Xinliang FENG, Bo YANG, Tim DUMSLAFF, Roman FASEL, Pascal RUFFIEUX, Jia LIU, Jinming CAI, Carlos SANCHEZ-SANCHEZ, Junzhi LIU
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Patent number: 9550678Abstract: An oligophenylene monomer of general formula (I) wherein R1 and R2 are independently of each other H, halogene, —OH, —NH2, —CN, —NO2 or a linear or branched, saturated or unsaturated C1-C40 hydrocarbon residue, which can be substituted 1-to 5-fold with halogene (F, Cl, Br, I), —OH, —NH2, —CN and/or —NO2, and wherein one or more CH2-groups can be replaced by —O— or —S—, or an optionally substituted aryl, alkylaryl or alkoxyaryl residue; and m represents 0, 1 or 2.Type: GrantFiled: December 17, 2012Date of Patent: January 24, 2017Assignees: BASF SE, Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.Inventors: Matthias Georg Schwab, Akimitsu Narita, Xinliang Feng, Klaus Muellen
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Publication number: 20160333141Abstract: Provided are graphene nanoribbon precursors comprising repeated units of the general formula (I) in which R1, R2 are each H, halogen, —OH, —NH2, —CN, —NO2 or a hydrocarbyl radical which has 1 to 40 carbon atoms and may be linear or branched, saturated or unsaturated and mono- or poly-substituted by halogen (F, Cl, Br, I), —OH, —NH2, —CN, and/or —NO2, where one or more CH2 groups may also be replaced by —O—, —S—, —C(O)O—, —O—C(O)—, —C(O)—, —NH— or —NR—, in which R is an optionally substituted C1C40-hydrocarbyl radical, or an optionally substituted aryl, alkylaryl or alkoxyaryl radical.Type: ApplicationFiled: July 26, 2016Publication date: November 17, 2016Applicants: BASF SE, Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.Inventors: Matthias Georg SCHWAB, Klaus MUELLEN, Xinliang FENG, Lukas DOESSEL
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Patent number: 9434619Abstract: Provided are graphene nanoribbon precursors comprising repeated units of the general formula (I) in which R1, R2 are each H, halogen, —OH, —NH2, —CN, —NO2 or a hydrocarbyl radical which has 1 to 40 carbon atoms and may be linear or branched, saturated or unsaturated and mono- or poly-substituted by halogen (F, Cl, Br, I), —OH, —NH2, —CN, and/or —NO2, where one or more CH2 groups may also be replaced by —O—, —S—, —C(O)O—, —O—C(O)—, —C(O)—, —NH— or —NR—, in which R is an optionally substituted C1C40-hydrocarbyl radical, or an optionally substituted aryl, alkylaryl or alkoxyaryl radical.Type: GrantFiled: October 24, 2012Date of Patent: September 6, 2016Assignees: BASF SE, Max-Planck-Gesellschaft zur Foerderung der Wissenshaften e.V.Inventors: Matthias Georg Schwab, Klaus Muellen, Xinliang Feng, Lukas Doessel
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Publication number: 20160248014Abstract: The present invention relates to azaborinine derivatives their synthesis as well as their use in organic electronic devices, particularly in organic light emitting devices, organic photovoltaic devices and organic photodetectors.Type: ApplicationFiled: September 16, 2014Publication date: August 25, 2016Applicant: MERCK PATENT GMBHInventors: Fan ZHANG, Xinyang WANG, Ruizhi TANG, Yubin FU, Xiaodong ZHUANG, Xinliang FENG, Dongqing WU
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Publication number: 20160207774Abstract: Oligophenylene monomers for the synthesis of polymeric precursors for the preparation of graphene nanoribbons, the polymeric precursors, and methods for preparing them, as well as methods for preparing the graphene nauoribbons from the polymeric precursors and the monomers are provided.Type: ApplicationFiled: March 28, 2016Publication date: July 21, 2016Applicants: BASF SE, Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.Inventors: Sorin IVANOVICI, Matthias SCHWAB, Xinliang FENG, Klaus MUELLEN
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Patent number: 9359675Abstract: Two-dimensional nanomaterials are produced in a process comprising the steps of (a) providing (a1) a mixture comprising graphene oxide particles, water and at least one cationic surfactant and/or nonionic surfactant or (a2) a mixture comprising graphene particles, at least one solvent useful for solution exfoliation of graphite and at least one cationic surfactant and/or nonionic surfactant, (b) adding at least one sol precursor compound to the mixture from step (a), (c) reacting the mixture from step (b) in a sol/gel process to form gel from the at least one sol precursor compound on the graphene oxide particles or, respectively, the graphene particles, (d) removing the at least one surfactant, and (e) optionally heating the gel-coated graphene oxide particles for at least 1 min to at least 500° C. under inert gas atmosphere to reduce the graphene oxide to graphene.Type: GrantFiled: April 21, 2011Date of Patent: June 7, 2016Assignees: BASF SE, Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.Inventors: Sorin Ivanovici, Shubin Yang, Xinliang Feng, Klaus Müllen
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Publication number: 20150333124Abstract: The present invention relates to a process for edge-halogenation of a graphene material; wherein the graphene material, which is selected from graphene, a graphene nanoribbon, a graphene molecule, or a mixture thereof, is reacted with a halogen-donor compound in the presence of a Lewis acid, so as to obtain an edge-halogenated graphene material.Type: ApplicationFiled: December 2, 2013Publication date: November 19, 2015Applicants: BASF SE, MAX-PLANCK-GESELLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E.V.Inventors: Tobias Hintermann, Klaus Muellen, Xinliang Feng, Yuan-Zhi Tan
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Publication number: 20150299381Abstract: The invention relates to oligophenylene monomers of general formula I, wherein R1 is H, halogene, —OH, —NH2, —CN, —NO2, or a linear or branched, saturated or un-saturated C1-C40 hydrocarbon residue, which can be substituted 1- to 5-fold with halogene (F, Cl, Br, I), —OH, —NH2, —CN and/or —NO2, and wherein one or more CH2-groups can be replaced by —O—, —S—, —C(O)O—, —O—C(O)—, —C(O)—, —NH— or —NR3—, wherein R3 is an optionally substituted C1-C40 hydrocarbon residue, or an optionally substituted aryl, al-kylaryl, alkoxyaryl, alkanoyl or aroyl residue; R2a and R2b are H, or optionally one or more of the pairs of adjacent R2a/R2b is joined to form a single bond in a six-membered carbocycle; m is an integer of from 0 to 3; n is 0 or 1; and X is halogene or trifluoromethylsulfonate, and Y is II; or X is II, and Y is halogene or trifluoromethylsulfonate.Type: ApplicationFiled: November 12, 2013Publication date: October 22, 2015Applicants: BASF SE, Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.Inventors: Klaus MUELLEN, Xinliang FENG, Jinming CAI, Pascal RUFFIEUX, Roman FASEL, Akimitsu NARITA
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Publication number: 20150158850Abstract: The present invention relates to a graphene nanoribbon, comprising a repeating unit which comprises at least one modification, wherein the modification is selected from a heteroatomic substitution, a vacancy, a sp3 hybridization, a Stone-Wales defect, an inverse Stone-Wales defect, a hexagonal sp2 hybridized carbon network ring size modification, and any combination thereof.Type: ApplicationFiled: May 13, 2013Publication date: June 11, 2015Applicants: BASF SE, EMPA, MAX-PLANCK-GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN E.V.Inventors: Roman Fasel, Pascal Ruffieux, Klaus Muellen, Jinming Cai, Xinliang Feng, Reinhard Berger