Patents by Inventor Willi Kreuder

Willi Kreuder 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: 20110095280
    Abstract: The present invention relates to novel polymers which comprise one or more recurring units selected from spirobifluorene, indenofluorene, phenanthrene, dihydrophenanthrene, dihydropyrene, tetrahydropyrene and dihydrobenzoxepine derivatives and have low polydispersity and a high molecular weight, to a process for the preparation thereof, to blends and formulations comprising these polymers, and to the use of these polymers in electronic devices, in particular in organic light-emitting diodes, so-called OLEDs (OLED=organic light-emitting diode).
    Type: Application
    Filed: September 2, 2009
    Publication date: April 28, 2011
    Inventors: Frank Egnon Meyer, Niels Schulte, Willi Kreuder
  • Patent number: 7252781
    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: Grant
    Filed: August 22, 2002
    Date of Patent: August 7, 2007
    Assignee: Merck Patent GmbH
    Inventors: Hubert Spreitzer, Heinrich Becker, Willi Kreuder, Sybille Berg, Andreas Sauer
  • Patent number: 7088757
    Abstract: Use of spiro compounds of formula (I), where K1 and K2 are, independently of one another, conjugated systems, as a laser dye.
    Type: Grant
    Filed: January 23, 1999
    Date of Patent: August 8, 2006
    Assignee: Semiconductors GmbH
    Inventors: Nu Yu, Josef Salbeck, Willi Kreuder
  • Patent number: 7087787
    Abstract: The invention relates to a method for producing derivatives of 4-alkylsulfinyl methylarylene methanols. Derivatives of 4-alkylsulfinyl methylarylene methanols are valuable monomers in the production of conjugated polymers, which are suitable for use as electroluminescent materials.
    Type: Grant
    Filed: August 27, 1999
    Date of Patent: August 8, 2006
    Assignee: Covion Organic Semiconductors GmbH
    Inventors: Dirk Vanderzande, Joanes Gelan, Albert van Breemen, Michael Van Der Borght, Laurence Lutsen, Raf Kiebooms, Willi Kreuder
  • Patent number: 6936683
    Abstract: The present invention relates to a selected process for the preparation of polyarylenevinylenes. These conjugated polymers are suitable for electroluminescence applications.
    Type: Grant
    Filed: November 17, 1999
    Date of Patent: August 30, 2005
    Assignee: Covion Organic Semiconductor GmbH
    Inventors: Dirk Vanderzande, Joanes Gelan, Albert van Breemen, Michael Van Der Borght, Anna Issaris, Laurence Lutsen, Margreet de Kok, Willi Kreuder
  • 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: 20040038076
    Abstract: Poly(paraphenylenevinylene) derivatives and their use as electroluminescence materials
    Type: Application
    Filed: June 26, 2003
    Publication date: February 26, 2004
    Inventors: Willi Kreuder, Donald Lupo, Josef Salbeck, Hermann Schenk, Thomas Stehlin, Hans-Heinrich Horhold, Andrea Lux, Annett Teuschel, Martina Wieduwilt
  • 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
  • Patent number: 6605693
    Abstract: The invention relates to conjugated polymers containing triptycene units. The polymers according to the invention are on the one hand homopolymers comprising a recurring unit containing a triptycenylene radical, and copolymers comprising two or more different recurring units, which may contain a triptycenylene radical or an arylene, heteroarylene, vinylene and ethynylene radical. The polymers according to the invention are employed as electroluminescent materials.
    Type: Grant
    Filed: February 11, 2002
    Date of Patent: August 12, 2003
    Assignee: Covion Organic Semiconductors GmbH
    Inventors: Heinrich Becker, Willi Kreuder, Josef Salbeck, Karl Heinz Weinfurtner
  • 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
  • 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: 6509110
    Abstract: Triptycene derivatives, and their use for opto-electronic applications, in particular as electroluminescent materials Triptycene devices of the formula (I) where the symbols in the formula have the following meanings: K1, K2 and K3 are identical or different and are mono- or polycyclic systems, which may, if desired, contain heteroatoms, preferably N, S and/or O, and; X and Y are identical or different and are CR1, N, P, As or SiR2; R1 are identical or different and are H, halogen, pseudohalogen or a hydrocarbon radical having 1 to 30 carbon atoms, which may also, if desired, contain heteroatoms, preferably —O—, —N— and/or —S—; R2 are identical or different and are a hydrocarbon radical having 1 to 30 carbon atoms, which may also, if desired, contain heteroatoms, preferably —O—, —N— and/or —S—, are suitable for use in electroluminescent devices.
    Type: Grant
    Filed: August 4, 2000
    Date of Patent: January 21, 2003
    Assignee: Axiva GmbH
    Inventors: Josef Salbeck, Heinrich Becker, Willi Kreuder, Karl Heinz Weinfurtner
  • 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
  • Patent number: 6458909
    Abstract: Poly(p-arylene-vinylenes) comprising repeating units of the formula (I), where the symbols and indices have the following meanings: Y1, Y2, Y3: identical or different, CH, N; Aryl: an aryl group having from 4 to 14 carbon atoms; R′, R″: identical or different, each a straight-chain or branched or cyclic alkyl or alkoxy group having from 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 one or more H atoms may be replaced by F, or else CN, F, Cl or an aryl group having from 4 to 14 carbon atoms which may be substituted by one or more nonaromatic radicals R′; R1, R2, R3, R4: identical or different, aliphatic or aromatic hydrocarbon radicals having from 1 to 20 carbon atoms or else H; A−: a singly charged anion or its equivalent; m: 0, 1 or 2; n: 1, 2, 3,
    Type: Grant
    Filed: December 16, 1997
    Date of Patent: October 1, 2002
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hubert Spreitzer, Willi Kreuder, Heinrich Becker, Harmannus Schoo, Robert Demandt
  • Publication number: 20020137863
    Abstract: The present invention relates to cycloolefin copolymer having a solution viscosity (eta)>0.25 dl/g (measured in accordance with DIN 53 728 in decalin at 135° C.
    Type: Application
    Filed: April 1, 2002
    Publication date: September 26, 2002
    Applicant: Hoechst Aktiengcsellschaft.
    Inventors: Frank Osan, Jurgen Kulpe, Willi Kreuder
  • Publication number: 20020087030
    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: Application
    Filed: October 16, 2001
    Publication date: July 4, 2002
    Inventors: Hubert Spreitzer, Willi Kreuder, Heinrich Becker, Jochen Krause
  • Patent number: 6414431
    Abstract: An electroluminescent device, comprising at least one organic light emitting layer (103) sandwiched between two electrode layers (102, 104), wherein the ratio r of the sheet resistances of the bottom electrode layer (102) and the top electrode layer (104) is 0.3<=r<=3.
    Type: Grant
    Filed: March 13, 2000
    Date of Patent: July 2, 2002
    Assignee: Ayentis Research & Technologies GmbH & Co KG
    Inventors: Nu Yu, Hubert Spreitzer, Hermann Schenk, Willi Kreuder, Heinrich Becker
  • Publication number: 20020064680
    Abstract: Poly(arylenevinylenes) comprising at least 20% of recurring units of the formula (I), 1
    Type: Application
    Filed: August 22, 2000
    Publication date: May 30, 2002
    Inventors: Hubert Spreitzer, Willi Kreuder, Heinrich Becker, Hermann Schenk, Nu Yu