Patents by Inventor Hubert Spreitzer

Hubert Spreitzer 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).

  • Publication number: 20050038223
    Abstract: The present invention relates to novel conjugated polymers comprising spirobifluorene units and their use in optoelectronic devices, preferably in, for example, displays based on polymeric organic light-emitting diodes.
    Type: Application
    Filed: August 29, 2002
    Publication date: February 17, 2005
    Inventors: Heinrich Becker, Kevin Treacher, Hubert Spreitzer, Aurelie Falcou, Philipp Stossel, Arne Busing, Amir Parham, Bernd Schroder
  • Publication number: 20040260090
    Abstract: The invention relates to the preparation of aryl-aryl coupled compounds and materials. These materials play an important role in industry, for example as liquid crystals, pharmaceuticals and agrochemicals, to mention just a few application areas. These compounds, in particular, are also of major importance especially in the high-growth area of organic semi-conductors (for example, applications in organic or polymeric light-emitting diodes, organic solar cells, organic ICs).
    Type: Application
    Filed: August 23, 2004
    Publication date: December 23, 2004
    Inventors: Kevin Treacher, Philipp Stossel, Hubert Spreitzer, Heinrich Becker, Aurelie Falcou
  • Publication number: 20040254388
    Abstract: Both low molecular weight and high molecular weight aromatic and heteroaromatic compounds which are substituted by olefins play an important role in industry, for instance as assistants and additives in cosmetic preparations, for example in sunscreens, various fine and electronics chemicals, and precursors for pharmaceuticals and agrochemicals. Also, particularly in the rapidly growing field of organic semiconductors (for example applications in organic or polymeric light emitting diodes, organic solar cells, organic ICs), precisely these compounds are of outstanding significance.
    Type: Application
    Filed: September 25, 2003
    Publication date: December 16, 2004
    Inventors: Hubert Spreitzer, Philipp Stossel, Heinrich Becker
  • Publication number: 20040225056
    Abstract: The present invention relates to solutions and/or dispersions of organic semiconductors in a solvent mixture of at least two different organic solvents, characterized in that
    Type: Application
    Filed: May 20, 2004
    Publication date: November 11, 2004
    Inventors: Hubert Spreitzer, Heinrich Becker, Kevin Treacher, Susanne Heun, Andrea Sauer
  • Publication number: 20040206939
    Abstract: The present invention relates to a process for producing particle-free solutions of polymeric semiconductors and to their use for producing layers of polymeric semiconductors in polymeric organic light-emitting diodes (PLEDs), organic integrated circuits (O-ICs), organic field effect transistors (OFETs), organic thin film transistors (OTFTs), organic solar cells (O-SCs) or organic laser diodes (O-lasers).
    Type: Application
    Filed: April 19, 2004
    Publication date: October 21, 2004
    Inventors: Hubert Spreitzer, Heinrich Becker, Willi Kreuder, Sibylle Berg, Andreas Sauer
  • Publication number: 20040188672
    Abstract: The present invention relates to solutions of organic semiconductors and their use in the production of electronic components.
    Type: Application
    Filed: March 1, 2004
    Publication date: September 30, 2004
    Inventors: Hubert Spreitzer, Susanne Heun, Kevin Treacher, Neil Tallant, Stephen Yeates, Beverly Brown
  • Publication number: 20040138455
    Abstract: The present invention relates to novel organometallic compounds which are phosphorescence emitters. Compounds of this type can be used as active components (=functional materials) in a series of different types of, application which can be classed within the electronics industry in the broadest sense.
    Type: Application
    Filed: March 1, 2004
    Publication date: July 15, 2004
    Inventors: Philipp Stossel, Hubert Spreitzer, Heinrich Becker
  • Publication number: 20040135131
    Abstract: The present invention relates to novel polymers which comprise spirobifluorene and fluorine units of the formulae (I) and (II) and may further comprise additional structural elements which may have charge transport properties, hole transport properties and/or electron transport properties.
    Type: Application
    Filed: December 15, 2003
    Publication date: July 15, 2004
    Inventors: Kevin Treacher, Heinrich Becker, Philipp Stoessel, Hubert Spreitzer, Aurelie Falcou, Amir Parham, Arne Buesing
  • Publication number: 20040133004
    Abstract: The present invention describes novel organometallic compounds which are phosphorescence emitters. Such compounds can be used as active components (=functional materials) in a series of different types of application which can be classed within the electronics industry in the broadest sense.
    Type: Application
    Filed: February 19, 2004
    Publication date: July 8, 2004
    Inventors: Philip Stossel, Hubert Spreitzer, Heinrich Becker
  • Publication number: 20040077862
    Abstract: The present invention relates to a process for preparing highly pure tris-ortho-metallated organoiridium compounds and such pure organometallic compounds, especially compounds of the d8 metals, which may find use as coloring components in the near future, as active components (=functional materials) in a series of different types of application which can be classed within the electronic industry in the broadest sense.
    Type: Application
    Filed: November 24, 2003
    Publication date: April 22, 2004
    Inventors: Philipp Stossel, Hubert Spreitzer, Heinrich Becker
  • Publication number: 20040063981
    Abstract: The present invention relates to substituted boron or aluminum spiro compounds and their use in the electronic industry. The compounds of the invention are used as electron transport material, hole blocking material and/or as host material in organic electroluminescence and/or phosphorescence devices, as electron transport material in photocopiers, as electron acceptor or electron transport material in solar cells, as charge transport material in organic ICs (circuits) and in organic solid-state lasers or organic photodetectors.
    Type: Application
    Filed: October 23, 2003
    Publication date: April 1, 2004
    Inventors: Philipp Stossel, Hubert Spreitzer, Heinrich Becker, Jacqueline Drott
  • Publication number: 20040058194
    Abstract: The present invention relates to the use of boron and aluminum compounds in electronics, in particular as electron transport material, as host material of the emission layer and as hole blocking material, in each case in phosphorescent OLEDs, and also to layers produced therefrom in phosphorescent OLEDs.
    Type: Application
    Filed: October 30, 2003
    Publication date: March 25, 2004
    Inventors: Philipp Stossel, Hubert Spreitzer, Heinrich Becker, Jacqueline Drott
  • Publication number: 20040054152
    Abstract: The invention provides low molecular weight or polymeric organic materials in which at least one hydrogen atom is replaced by a group of the formula (A) 1
    Type: Application
    Filed: October 23, 2003
    Publication date: March 18, 2004
    Inventors: Klaus Meerholz, Michael Bayerl, Florian Bielefeldt, Thomas Braig, Markus Gross, David Muller, Oskar Nuyken, Hubert Spreitzer
  • Patent number: 6653438
    Abstract: The invention relates to novel polymers containing fluorene structural elements, monomer parent compounds upon which said polymers are based, and the use of said inventive polymers as organic semiconductors and/or as electroluminescent material, in addition to electroluminescent devices containing said polymers.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: November 25, 2003
    Assignee: Covion Organic Semiconductors GmbH
    Inventors: Hubert Spreitzer, Heinrich Becker Zum, Willi Kreuder
  • Patent number: 6638646
    Abstract: Poly(arylenevinylenes) comprising at least 20% of recurring units of the formula (I), where the symbols and indices have the following meanings: Aryl: is an aryl group having 4 to 14 carbon atoms; R′: is a substituent which is either in the labeled phenylene position 5 or 6 and is CN, F, Cl, N(R1R2) or a straight-chain, branched or cyclic alkyl, alkoxy or thioalkoxy group having 1 to 20 carbon atoms, in which, in addition, one or more H atoms may be replaced by F; R″: are identical or different and are CN, F, Cl or a straight-chain, branched or cyclic alkyl or alkoxy group having 1 to 20 carbon atoms, where one or more non-adjacent CH2 groups may be replaced by —O—, —S—, —CO—, —COO—, —O—CO—, —NR1—, —(NR2R3)+—A− or —CONR4—, and where one or more H atoms may be replaced by F, or an aryl group having 4 to 14 carbon atoms, which may be substituted by one or more non-aro
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: October 28, 2003
    Assignee: Semiconductors GmbH
    Inventors: Hubert Spreitzer, Willi Kreuder, Heinrich Becker, Hermann Schenk, Nu Yu
  • Publication number: 20030088050
    Abstract: Poly(arylenevinylenes) comprising at least 20% of recurring units of the formula (I), 1
    Type: Application
    Filed: June 28, 2002
    Publication date: May 8, 2003
    Inventors: Hubert Spreitzer, Willi Kreuder, Heinrich Becker, Hermann Schenk, Nu Yu
  • Publication number: 20030065190
    Abstract: The present invention relates to novel spiro compounds of the formula (I) 1
    Type: Application
    Filed: September 13, 2002
    Publication date: April 3, 2003
    Inventors: Hubert Spreitzer, Josef Salbeck, Frank Weissortel
  • Patent number: 6541602
    Abstract: The present invention describes novel polymers, their use as organic semiconductors and/or electroluminescent materials, and electro-luminescent devices containing polymers of this type.
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: April 1, 2003
    Assignee: Celanese Ventures GmbH
    Inventors: Hubert Spreitzer, Heinrich Becker, Willi Kreuder
  • Patent number: 6509507
    Abstract: A process for preparing polymerizable biaryl derivatives comprises reacting an aromatic comprising a 6-membered ring which bears ester or benzylic OH groups in the 1,4 position with a second aromatic in a palladium-catalyzed cross-coupling reaction to give a biaryl and converting the ester or benzylic OH groups into polymerizable groups in one or more steps. The biaryls obtained are suitable for preparing polymers which are used as electroluminescence materials.
    Type: Grant
    Filed: October 16, 2001
    Date of Patent: January 21, 2003
    Assignee: Aventis Research & Technologies GmbH & Co. KG
    Inventors: Hubert Spreitzer, Willi Kreuder, Heinrich Becker, Jochen Krause
  • Patent number: 6476265
    Abstract: In a process for preparing aryl oligoamines, an amine is reacted with an activated aromatic and a base in a temperature range from 0 to 150° C. in the presence of a palladium component and a phosphine ligand. The aryl oligoamines are obtained simply and in good yields.
    Type: Grant
    Filed: May 10, 2000
    Date of Patent: November 5, 2002
    Assignee: Covion Organic Semiconductors GmbH
    Inventors: Hubert Spreitzer, Willi Kreuder, Heinrich Becker, Ute Neumann