Patents by Inventor Helmut Werner Heuer

Helmut Werner Heuer 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).

  • Electrophosphorescent arrangement comprising conductive polymers
    Patent number: 6869697
    Abstract: The invention relates to layer arrangement having (i) at least one transparent substrate containing an electrically conductive layer, (ii) an electro-optically active layer, and (iii) a further substrate containing an electrically conductive layer, wherein at least one of the two electrically conductive substrates is additionally coated with an organic conductive polymer system and the electro-optically active layer contains an electrophosphorescent compound.
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: March 22, 2005
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut-Werner Heuer, Rolf Wehrmann
  • Novel aromatic dihydroxy compound useful for the preparation of (CO)polycarbonates
    Publication number: 20050054808
    Abstract: An aromatic dihydroxy compound conforming to formula 1 is disclosed. Also disclosed are (co)polycarbonates derived from the compound. The novel (co)polycarbonates are characterized by their reduced water uptake and improved flowability.
    Type: Application
    Filed: August 19, 2004
    Publication date: March 10, 2005
    Inventors: Helmut-Werner Heuer, Rolf Wehrmann
  • Branched polyformals and copolyformals their preparation and use
    Publication number: 20050049389
    Abstract: A branched (co)polyformal is disclosed. The (co)polyformal contains structural units conforming to at least one the general formulae (1a) and (1b) wherein each of -E- and -D- independently of one another denote an aromatic radical having 6 to 40 C atoms, k is 1 to 4,000, o is 1 to 4,000, m is z/o and n is (o-z)/o, where z is 0 to o. The branched (co)polyformal is characterized by its reduced water uptake and improved hydrolytic stability. Also disclosed are processes for its preparation and use in the production of molded articles.
    Type: Application
    Filed: August 24, 2004
    Publication date: March 3, 2005
    Inventors: Helmut-Werner Heuer, Rolf Wehrmann, Heiner Onckels
  • Polyformals as a coextrusion protective layer on polycarbonate
    Publication number: 20050031855
    Abstract: A multi-layer article is disclosed. The article contains a base layer that contains at least one thermoplastic resin and a second layer containing a thermoplastic (co)polyformal superimposed over the base layer. The (co)polyformal conforms to formulae (1a) or (1b), ?O-D-O—CH2?k??1a ??O-D-O—CH2?mO?E-O—CH2?n?o??1b in which O-D-O and O-E-O independently denote a diphenolate group, -D- and -E- independently denote an aromatic group having 6 to 40 C atoms, k is a whole number from 1 to 1500 and m is z/o and n is (o?z)/o wherein z is 0 to o. The multi-layer article that may be prepared by co-extrusion exhibits improved properties.
    Type: Application
    Filed: July 20, 2004
    Publication date: February 10, 2005
    Inventors: Helmut-Werner Heuer, Rolf Wehrmann, Sylvia Braun, Claus Rudiger, Marco Roelofs, Wolfgang Nising, Siegfried Anders, Jurgen Rohner, Rudiger Gorny
  • Polyformals and copolyformals with reduced water absorption, production and use thereof
    Publication number: 20050020802
    Abstract: A thermoplastic molding composition comprising a linear (co)polyformal is disclosed. The (co)polyformal corresponds to formulae (Ia) or (Ib), in which A independently denotes hydrogen or phenyl, —O-D-O— and —O-E-O— independently denote a diphenolate residue, in which -E- and -D- independently denote an aromatic radical having 6 to 40 C atoms, wherein at least one of —O-D-O— and —O-E-O— denotes 1,1-bis(4-hydroxyphenyl)cyclohexane residue. The composition is characterized in its restricted water absorption. Also disclosed is a process for the preparation of the composition.
    Type: Application
    Filed: July 20, 2004
    Publication date: January 27, 2005
    Inventors: Helmut-Werner Heuer, Rolf Wehrmann
  • 3-4-Alkylenedioxythiophene diols, their preparation and use in capacitors
    Publication number: 20040235990
    Abstract: 3,4-Alkylenedioxythiophene derivatives of the formulae I and II 1
    Type: Application
    Filed: March 15, 2004
    Publication date: November 25, 2004
    Inventors: Helmut-Werner Heuer, Rolf Wehrmann
  • Highly branched (co)polycarbonates having improved flowability
    Publication number: 20040220374
    Abstract: A process of preparing a branched (co)polycarbonate resin is disclosed.
    Type: Application
    Filed: April 1, 2004
    Publication date: November 4, 2004
    Inventors: Helmut-Werner Heuer, Rolf Wehrmann, Michael Erkelenz
  • Polycarbonates, polyester carbonates and polyesters having branched terminal groups
    Patent number: 6784278
    Abstract: The use of phenols having a branched structure as terminal groups in polycarbonates, polyester carbonates and polyesters is disclosed. Also disclosed are polycarbonates, polyester carbonates and polyesters having such branched terminal groups, the process for their production and molded parts made therefrom.
    Type: Grant
    Filed: June 11, 2002
    Date of Patent: August 31, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut-Werner Heuer, Rolf Wehrmann, Alexander Meyer, Harald Pielartzik, Friedrich-Karl Bruder, Jos M. J. Paulusse
  • Polycarbonates, polyester carbonates and polyesters having lateral, cycloalkyl-substituted phenols
    Publication number: 20040158025
    Abstract: A process of using of a particularly substituted phenol as a chain terminator of a polymeric resin is disclosed. The chain terminator is a member selected from among ortho-substituted phenol, metha-substituted phenol, and their corresponding coupled esters. The polymeric resin is selected among polycarbonate, polyester carbonate and polyester. The thus chain terminated resin is suitable for producing molded parts and extrudates. Also disclosed are the process for producing these polymers and processes for producing the molded parts and extrudates.
    Type: Application
    Filed: February 5, 2004
    Publication date: August 12, 2004
    Inventors: Friedrich-Karl Bruder, Helmut-Werner Heuer, Alexander Meyer, Rolf Wehrmann
  • Polycarbonates, polyester carbonates and polyesters having lateral, cycloalkyl-substituted phenols
    Publication number: 20040127677
    Abstract: A process of using of a particularly substituted phenol as a chain terminator of a polymeric resin is disclosed. The chain terminator is a member selected from among ortho-substituted phenol, metha-substituted phenol, and their corresponding coupled esters. The polymeric resin is selected among polycarbonate, polyester carbonate and polyester. The thus chain terminated resin is suitable for producing molded parts and extrudates. Also disclosed are the process for producing these polymers and processes for producing the molded parts and extrudates.
    Type: Application
    Filed: October 17, 2003
    Publication date: July 1, 2004
    Inventors: Friedrich-Karl Bruder, Helmut-Werner Heuer, Alexander Meyer, Rolf Wehrmann
  • Polyester polycarbonates of particular diphenols
    Patent number: 6696543
    Abstract: Polyestercarbonate resin is disclosed having a molecular structure that contains units derived from dicarboxylic acids and units derived from at least one diphenol selected from the group consisting of formula (IIa) and (IIb) in which R1 to R7 each independently of the others represents hydrogen, halogen, a C1- to C12-alkyl radical, a C6- to C19-aryl radical, a C7- to C12-aralkyl radical. Also disclosed are the processes for their preparation, and their use in the production of molded articles and extrudates.
    Type: Grant
    Filed: August 20, 2002
    Date of Patent: February 24, 2004
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rolf Wehrmann, Helmut-Werner Heuer
  • Polynuclear metal complexes as phosphorescence emitters in electroluminescent layer arrangements
    Publication number: 20040026663
    Abstract: The present invention relates to polynuclear metal complexes, a process for their preparation and their use as phosphorescence emitters in electroluminescent layer arrangements.
    Type: Application
    Filed: August 6, 2003
    Publication date: February 12, 2004
    Inventors: Helmut-Werner Heuer, Rolf Wehrmann, Armin Sautter
  • Fluorescent, structured shaped bodies
    Patent number: 6584714
    Abstract: Optical display containing one or more shaped articles and a light source. The shaped articles consist of a transparent or semitransparent plastic. The plastic contains one or more fluorescent substances. One or more light sources are arranged in such a way that their light is applied to the surface of the shaped article at particular regions of it and propagates through the shaped article. The shaped article contains means for controlled light output, so that the light can be output from the shaped article in a controlled way at quite particular regions on the surface of the shaped article.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: July 1, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rolf Wehrmann, Helmut-Werner Heuer
  • Polyester polycarbonates of particular diphenols
    Publication number: 20030120024
    Abstract: Polyestercarbonate resin is disclosed having a molecular structure that contains units derived from dicarboxylic acids and units derived from at least one diphenol selected from the group consisting of formula (IIa) and (IIb) 1
    Type: Application
    Filed: August 20, 2002
    Publication date: June 26, 2003
    Inventors: Rolf Wehrmann, Helmut-Werner Heuer
  • Electrophosphorescent arrangement comprising conductive polymers
    Publication number: 20030108769
    Abstract: The invention relates to layer arrangement having (i) at least one transparent substrate containing an electrically conductive layer, (ii) an electro-optically active layer, and (iii) a further substrate containing an electrically conductive layer, wherein at least one of the two electrically conductive substrates is additionally coated with an organic conductive polymer system and the electro-optically active layer contains an electrophosphorescent compound.
    Type: Application
    Filed: September 20, 2002
    Publication date: June 12, 2003
    Inventors: Helmut-Werner Heuer, Rolf Wehrmann
  • Electrochrome polymer systems
    Patent number: 6569361
    Abstract: Electrochromic systems containing soluble electrochromic polymers which are accessible by polymerization, polycondensation or polyaddition from electrochromic monomers are used in devices for variable transparency to electromagnetic radiation.
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: May 27, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Berneth, Uwe Claussen, Helmut Werner Heuer, Serguei Kostromine
  • Polycarbonates, polyester carbonates and polyesters having branched terminal groups
    Publication number: 20030096941
    Abstract: The use of phenols having a branched structure as terminal groups in polycarbonates, polyester carbonates and polyesters is disclosed. Also disclosed are polycarbonates, polyester carbonates and polyesters having such branched terminal groups, the process for their production and molded parts made therefrom.
    Type: Application
    Filed: June 11, 2002
    Publication date: May 22, 2003
    Inventors: Helmut-Werner Heuer, Rolf Wehrmann, Alexander Meyer, Harald Pielartzik, Friedrich-Karl Bruder, Jos M.J. Paulusse
  • UV-protected electrochromic solution
    Patent number: 6545793
    Abstract: This invention relates to electrochromic devices containing UV-protected electrochromic solutions comprising at least one oxidizable substance RED1 and at least one reducible substance OX2 linked by a bridging group and a UV absorber component.
    Type: Grant
    Filed: January 3, 2002
    Date of Patent: April 8, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Berneth, Helmut-Werner Heuer, Ralf Neigl
  • Electroluminescent systems with polynulcear metal complexes
    Patent number: 6534200
    Abstract: Electroluminescent assembly comprising a substrate, an anode, an electroluminescent element and a cathode, where at least one of the two electrodes is transparent in the visible spectral region and the electroluminescent element comprises one or more zones selected from the group consisting of a hole injection zone, a hole transport zone, an electroluminescent zone, an electron transport zone and an electron injection zone in the specified order, where each of the zones present may also assume functions of the other zones mentioned, wherein the electroluminescent element contains a multinuclear metal complex.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: March 18, 2003
    Assignee: Bayer Aktiengesellshaft
    Inventors: Helmut-Werner Heuer, Rolf Wehrmann, Andreas Elschner
  • Arrangement based on poly-(3,4-dioxythiophene) derivatives which are electrochromically switched with protons
    Patent number: 6507428
    Abstract: The invention relates to electrochromic arrangements in a layered structure which are characterized in that one layer contains an electrically conductive electrochromic polydioxythiophene, another layer comprises an electrolyte containing a protonic acid, and another layer comprises an ion storage or a mixture of ion storages.
    Type: Grant
    Filed: April 3, 2001
    Date of Patent: January 14, 2003
    Assignee: Bayer Aktiengesellschaft
    Inventors: Helmut-Werner Heuer, Rolf Wehrmann