Patents by Inventor Sorin Ivanovici

Sorin Ivanovici 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: 9577243
    Abstract: The present invention relates to a solid composite for use in the cathode of a lithium-sulphur electric current producing cell wherein the solid composite comprises 1 to 75 wt.-% of expanded graphite, 25 to 99 wt.-% of sulphur, 0 to 50 wt.-% of one or more further conductive agents other than expanded graphite, and 0 to 50 wt.
    Type: Grant
    Filed: May 26, 2011
    Date of Patent: February 21, 2017
    Assignee: Sion Power Corporation
    Inventors: Ruediger Schmidt, Alexander Panchenko, Bastian Ewald, Philip Hanefeld, Sorin Ivanovici, Helmut Moehwald, Igor P. Kovalev
  • Publication number: 20160284947
    Abstract: Color converter comprising at least one polymer and at least one organic fluorescent dye comprising at least one structural unit of the formula (I) where the structural unit may be mono- or polysubstituted by identical or different substituents and where one or more CH groups of the six-membered ring of the benzimidazole structure shown may be replaced by nitrogen.
    Type: Application
    Filed: June 13, 2016
    Publication date: September 29, 2016
    Applicant: BASF SE
    Inventors: Martin KOENEMANN, Gerhard WAGENBLAST, Robert SEND, Sorin IVANOVICI, Gerardus DEKEYZER
  • Patent number: 9406848
    Abstract: Color converter comprising at least one polymer and at least one organic fluorescent dye comprising at least one structural unit of the formula (I) where the structural unit may be mono- or polysubstituted by identical or different substituents and where one or more CH groups of the six-membered ring of the benzimidazole structure shown may be replaced by nitrogen.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: August 2, 2016
    Assignee: BASF SE
    Inventors: Martin Koenemann, Gerhard Wagenblast, Robert Send, Sorin Ivanovici, Gerardus De Keyzer
  • Publication number: 20160207774
    Abstract: 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: Application
    Filed: March 28, 2016
    Publication date: July 21, 2016
    Applicants: BASF SE, Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
    Inventors: Sorin IVANOVICI, Matthias SCHWAB, Xinliang FENG, Klaus MUELLEN
  • Publication number: 20160177177
    Abstract: The present invention relates to cyanated naphthalenebenzimidazole compounds of the formula (I) and mixtures thereof, in which R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 are each independently hydrogen, cyano or aryl which is unsubstituted or has one or more identical or different substituents RAr, where RAr is as defined in the claims and in the description, with the proviso that the compounds of the formula I comprise at least one cyano group. The invention further relates to color converters comprising at least one polymer as a matrix material and at least one cyanated naphthalenebenzimidazole compound or mixtures thereof as a fluorescent dye, to the use of the color converters and to lighting devices comprising at least one LED and at least one color converter.
    Type: Application
    Filed: August 4, 2014
    Publication date: June 23, 2016
    Applicant: BASF SE
    Inventors: Martin KÖNEMANN, Gabriele MATTERN, Gerhard WAGENBLAST, Sorin IVANOVICI, Robert SEND
  • Patent number: 9359675
    Abstract: 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: Grant
    Filed: April 21, 2011
    Date of Patent: June 7, 2016
    Assignees: BASF SE, Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V.
    Inventors: Sorin Ivanovici, Shubin Yang, Xinliang Feng, Klaus Müllen
  • Publication number: 20160084477
    Abstract: Illumination device comprising at least one LED and at least one colour converter comprising at least one organic fluorescent colorant in a matrix consisting essentially of polystyrene or polycarbonate, wherein LED and colour converter are present in a remote phosphor arrangement.
    Type: Application
    Filed: December 9, 2015
    Publication date: March 24, 2016
    Inventors: Gerhard WAGENBLAST, Martin KOENEMANN, Gerardus DE KEYZER, Sorin IVANOVICI, Michel PEPERS, Matthias MUELLER, Robert SEND
  • Patent number: 9236535
    Abstract: Illumination device comprising at least one LED and at least one color converter comprising at least one organic fluorescent colorant in a matrix consisting essentially of polystyrene or polycarbonate, wherein LED and color converter are present in a remote phosphor arrangement.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: January 12, 2016
    Assignee: BASF SE
    Inventors: Gerhard Wagenblast, Martin Koenemann, Gerardus De Keyzer, Sorin Ivanovici, Michel Pepers, Matthias Mueller, Robert Send
  • Patent number: 8895651
    Abstract: The invention relates to a composition for printing a seed layer for electrodeposition or electroless deposition of a metal for the production of full-area or structured metallic surfaces on a substrate, comprising 0.1 to 6% by weight of electrolessly and/or electrolytically coatable particles, 40 to 98.8% by weight of at least one solvent, 0 to 15% by weight of a crosslinker, 0.1 to 6% by weight of at least one dispersing additive, 0 to 5% by weight of at least one further additive and 1 to 20% by weight of at least one polymer, said at least one polymer being in the form of a dispersion. The invention further relates to a process for producing full-area or structured metallic surfaces on a substrate, and to a use of the process.
    Type: Grant
    Filed: February 15, 2011
    Date of Patent: November 25, 2014
    Assignee: BASF SE
    Inventors: Stephan Hermes, Sorin Ivanovici
  • Publication number: 20140301935
    Abstract: 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 nanoribbons from the polymeric precursors and the monomers are provided.
    Type: Application
    Filed: October 24, 2012
    Publication date: October 9, 2014
    Applicants: BASF SE, Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
    Inventors: Sorin Ivanovici, Matthias Georg Schwab, Xinliang Feng, Klaus Muellen
  • Publication number: 20140103374
    Abstract: Color converter comprising at least one polymer and at least one organic fluorescent dye comprising at least one structural unit of the formula (I) where the structural unit may be mono- or polysubstituted by identical or different substituents and where one or more CH groups of the six-membered ring of the benzimidazole structure shown may be replaced by nitrogen.
    Type: Application
    Filed: June 8, 2012
    Publication date: April 17, 2014
    Applicant: BASF SE
    Inventors: Martin Koenemann, Gerhard Wagenblast, Robert Send, Sorin Ivanovici, Gerardus De Keyzer
  • Publication number: 20140076397
    Abstract: A color converter comprising at least one layer comprising at least one organic fluorescent colorant and at least one barrier layer having a low permeability to oxygen.
    Type: Application
    Filed: May 9, 2012
    Publication date: March 20, 2014
    Applicant: BASF SE
    Inventors: Gerhard Wagenblast, Martin Koenemann, Sorin Ivanovici, Gerardus De Keyzer, Robert Send
  • Publication number: 20130334546
    Abstract: Illumination device comprising at least one LED and at least one colour converter comprising at least one organic fluorescent colorant in a matrix consisting essentially of polystyrene or polycarbonate, wherein LED and colour converter are present in a remote phosphor arrangement.
    Type: Application
    Filed: February 23, 2012
    Publication date: December 19, 2013
    Applicant: BASF SE
    Inventors: Gerhard Wagenblast, Martin Koenemann, Gerardus De Keyzer, Sorin Ivanovici, Michel Pepers, Matthias Mueller, Robert Send
  • Patent number: 8611070
    Abstract: The invention relates to a process for coating nanoparticles with graphene, comprising the steps of (a) providing a suspension comprising a suspension medium and nanoparticles with positive surface charge, (b) adding graphene oxide particles to the suspension from step (a), the graphene oxide particles accumulating on the nanoparticles, and (c) converting the graphene oxide particles accumulated on the nanoparticles to graphene, to graphene-coated nanoparticles comprising at least one metal, a semimetal, a metal compound and/or a semimetal compound, and to the use of these graphene-coated nanoparticles in electrochemical cells and supercapacitors, and to supercapacitors and electrochemical cells comprising these nanoparticles.
    Type: Grant
    Filed: May 13, 2011
    Date of Patent: December 17, 2013
    Assignees: BASF SE, Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
    Inventors: Sorin Ivanovici, Shubin Yang, Xinliang Feng, Klaus Müllen
  • Publication number: 20130244862
    Abstract: Disclosed is a process for manufacturing a nitrogen-containing porous carbonaceous material with an optional inorganic salt content of up to 50 ppm by weight. The process comprises the following steps: (A) conversion of (a) at least one heterocyclic hydrocarbon with at least two NH2-groups per molecular with (b) at least one aromatic compound with at least two aldehyde groups per molecular, (B) heating in the absence of oxygen to temperature in the range of from 700 to 1200° C.
    Type: Application
    Filed: November 24, 2011
    Publication date: September 19, 2013
    Applicants: Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V., BASF SE
    Inventors: Sorin Ivanovici, Klaus Muellen, Matthias Schwab, Liang Yanyu
  • Publication number: 20130164635
    Abstract: The present invention relates to a solid composite for use in the cathode of a lithium- sulphur electric current producing cell wherein the solid composite comprises 1 to 75 wt.-% of expanded graphite, 25 to 99 wt.-% of sulphur, 0 to 50 wt.-% of one or more further conductive agents other than expanded graphite, and 0 to 50 wt.
    Type: Application
    Filed: May 26, 2011
    Publication date: June 27, 2013
    Applicant: Sion Power Corporation
    Inventors: Ruediger Schmidt, Alexander Panchenko, Bastian Ewald, Philip Hanefeld, Sorin Ivanovici, Helmut Moehwald, Igor P. Kovalev
  • Publication number: 20110292570
    Abstract: The invention relates to a process for coating nanoparticles with graphene, comprising the steps of (a) providing a suspension comprising a suspension medium and nanoparticles with positive surface charge, (b) adding graphene oxide particles to the suspension from step (a), the graphene oxide particles accumulating on the nanoparticles, and (c) converting the graphene oxide particles accumulated on the nanoparticles to graphene, to graphene-coated nanoparticles comprising at least one metal, a semimetal, a metal compound and/or a semimetal compound, and to the use of these graphene-coated nanoparticles in electrochemical cells and supercapacitors, and to supercapacitors and electrochemical cells comprising these nanoparticles.
    Type: Application
    Filed: May 13, 2011
    Publication date: December 1, 2011
    Applicants: Max-Planck-Gesellschaft zur Foerd. der Wisse. e. V., BASF SE
    Inventors: Sorin IVANOVICI, Shubin Yang, Xinliang Feng, Klaus Müllen
  • Publication number: 20110268647
    Abstract: 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: Application
    Filed: April 21, 2011
    Publication date: November 3, 2011
    Applicants: Max-Planck-Gesellschaft zur Foerd. der Wisse. e.V., BASF SE
    Inventors: Sorin IVANOVICI, Shubin YANG, Xinliang FENG, Klaus MÜLLEN
  • Publication number: 20110201190
    Abstract: The invention relates to a composition for printing a seed layer for electrodeposition or electroless deposition of a metal for the production of full-area or structured metallic surfaces on a substrate, comprising 0.1 to 6% by weight of electrolessly and/or electrolytically coatable particles, 40 to 98.8% by weight of at least one solvent, 0 to 15% by weight of a crosslinker, 0.1 to 6% by weight of at least one dispersing additive, 0 to 5% by weight of at least one further additive and 1 to 20% by weight of at least one polymer, said at least one polymer being in the form of a dispersion. The invention further relates to a process for producing full-area or structured metallic surfaces on a substrate, and to a use of the process.
    Type: Application
    Filed: February 15, 2011
    Publication date: August 18, 2011
    Applicant: BASF SE
    Inventors: STEPHAN HERMES, Sorin Ivanovici
  • Publication number: 20110143107
    Abstract: A process for producing a metallized textile surface comprises (A) applying a formulation comprising at least one metal powder (a) as a component patternedly or uniformly, (B) depositing a further metal on the textile surface, (C) applying a further layer comprising carbon in the form of carbon black or carbon nanotubes or graphene.
    Type: Application
    Filed: December 13, 2010
    Publication date: June 16, 2011
    Applicant: BASF SE
    Inventors: Christian STEINIG-NOWAKOWSKI, Ralf Nörenberg, Sorin Ivanovici, Peter Breyer, Jürgen Reichert