Patents by Inventor Rainer Hagen

Rainer Hagen 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).

  • Method for storing and transporting cyclic diesters
    Patent number: 8362282
    Abstract: The present invention relates to a method for storing and/or transporting intramolecular cyclic esters (lactones), in particular lactide.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: January 29, 2013
    Assignee: Uhde Inventa-Fischer GmbH
    Inventors: Rainer Hagen, Udo Muhlbauer
  • Method for the production of a mixture of lactide derivatives
    Publication number: 20120149920
    Abstract: A mixture of cyclic diesters derived from lactic acid and in cases a mixture of a racemate of dilactide may be produced in several different processes. In some instances, the process can thereby start from the corresponding alpha-hydroxycarboxylic acids, the corresponding cyclic diesters or oligomers of the corresponding alpha-hydroxycarboxylic acids.
    Type: Application
    Filed: August 28, 2009
    Publication date: June 14, 2012
    Inventors: Rainer Hagen, Adam Bastiaan Verweij, Udo Muhlbauer, Joachim Schulze, Wolfgang Tietz, Klaus-Dieter Göhler, Olga Renate Göhler
  • METHOD FOR STORING AND TRANSPORTING CYCLIC DIESTERS
    Publication number: 20110288312
    Abstract: The present invention relates to a method for storing and/or transporting intramolecular cyclic esters (lactones), in particular lactide.
    Type: Application
    Filed: August 12, 2009
    Publication date: November 24, 2011
    Applicant: Uhde Inventa-Fischer GmbH
    Inventors: Rainer Hagen, Udo Mublbauer
  • MEDIA FOR VOLUME-HOLOGRAPHIC RECORDING BASED ON SELF-DEVELOPING POLYMER
    Publication number: 20110207029
    Abstract: The present invention relates to novel self-developing films for incorporation of volume holograms by exposure, a method for production thereof and the use thereof.
    Type: Application
    Filed: September 29, 2009
    Publication date: August 25, 2011
    Applicant: BAYER MATERIALSCIENCE AG
    Inventors: Rainer Hagen, Nicolas Stoeckel, Friedrich-Karl Kruder, Francois Deuber, Thomas Roelle, Thomas Faecke, Marc-Stephan Weiser, Dennis Hoenel
  • POLYMERISATION REACTOR, POLYMERISATION DEVICE, METHOD FOR PRODUCING BIO-DEGRADEABLE POLYESTER AND USES
    Publication number: 20100261838
    Abstract: The present invention relates to a polymerisation reactor for continuous polymerisation, the reactor being constructed in two stages and comprising a prepolymerisation stage which is configured as a stirred vessel or as a loop-type bubble column and also a main polymerisation stage which is configured as a tubular reactor. Furthermore, the present invention relates to a method for the production of biodegradable polyester, in particular polylactide, the reactor according to the invention being used. Likewise, the invention relates to a polymerisation device which comprises further components in addition to the polymerisation reactor.
    Type: Application
    Filed: August 25, 2008
    Publication date: October 14, 2010
    Applicant: Unde Inventa-Fischer GmbH
    Inventors: Rainer Hagen, Udo Muhlbauer
  • CONDENSATION AND WASHING DEVICE, POLYMERISATION DEVICE AND METHOD FOR CLEANING PROCESS STEAM DURING THE PRODUCTION OF THE POLYLACTIDE
    Publication number: 20100252076
    Abstract: The present invention relates to a condensation and washing device with which in particular the process vapours which occur during the production of polylactide can be processed and cleaned. Furthermore, the present invention relates to a polymerisation device for the production of polylactide and also to a method for processing process vapours which occur during the production of polylactide; possibilities for use of both the condensation and washing devices and of the method are likewise mentioned.
    Type: Application
    Filed: August 5, 2008
    Publication date: October 7, 2010
    Applicant: Uhde Inventa-Fischer GmbH
    Inventors: Rainer Hagen, Udo Muhlbauer
  • CLEANING DEVICE FOR SEPARATING DILACTIDE FROM MIXTURES, POLYMERISATION DEVICE, METHOD FOR SEPARATING DILACTIDE FROM MIXTURES AND USE THEREOF
    Publication number: 20100249364
    Abstract: The present invention relates to a device for separating a biodegradable, intermolecular cyclic diester of an alpha-hydroxycarboxylic acid from material mixtures which contain in addition the alpha-hydroxycarboxylic acid of the diester corresponding thereto. In particular, the diester is thereby dilactide and the acid lactic acid. Furthermore, the present invention relates to a method for separating dilactide from material mixtures, which is based on a modified, distillative method. In addition, the present invention describes a polymerisation device, in particular for preparing polylactide. Likewise, purposes of use of both the devices and of the method are indicated.
    Type: Application
    Filed: August 25, 2008
    Publication date: September 30, 2010
    Applicant: Uhde Inventa-Fischer GmbH
    Inventors: Rainer Hagen, Udo Muhlbauer
  • Method for continuous production of high-molecular weight polyesters and device for implementation of the method
    Patent number: 7259227
    Abstract: The invention relates to a method for producing high-molecular weight polyesters, such as e.g. polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polynaphthalene terephthalate (PEN), polytrimethylene terephthalate (PTT) and/or polyesters of other dicarboxylic acids and diols including copolymers thereof. The invention relates likewise to a device for implementing this method. The latter concerns a single-stage tower reactor with which a method, comprising only two reactors, is made available for the total process.
    Type: Grant
    Filed: March 13, 2006
    Date of Patent: August 21, 2007
    Assignee: Uhde Inventa-Fischer GmbH
    Inventors: Eike Schulz Van Endert, Rainer Hagen, Thomas Hille, Christian Atlas, Ulrich Thiele
  • Rewriteable optical recording material having good solubility
    Patent number: 7214451
    Abstract: Polymeric material suitable for the preparation of optical recording media for volume data storage is disclosed. The molecular structure of the material contains a main chain derived from any of poly(meth)acrylate, poly(meth)acrylamide, polysiloxane, polyurea, polyurethane, polyester, polystyrene and cellulose, and the side chains contain a) azobenzene dye, b) form anisotropic grouping, and c) at least one monomer selected from the group consisting of where R=H or methyl, R? and R? independently denote CnH2n+1 or CnH2n-OH and R?? denotes —CnH2N—OH.
    Type: Grant
    Filed: September 23, 2002
    Date of Patent: May 8, 2007
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Berneth, Thomas Bieringer, Rainer Hagen, Serguei Kostromine
  • Method for continuous production of high-molecular weight polyesters and device for implementation of the method
    Publication number: 20070066790
    Abstract: The invention relates to a method for producing high-molecular weight polyesters, such as e.g. polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polynaphthalene terephthalate (PEN), polytrimethylene terephthalate (PTT) and/or polyesters of other dicarboxylic acids and diols including copolymers thereof. The invention relates likewise to a device for implementing this method. The latter concerns a single-stage tower reactor with which a method, comprising only two reactors, is made available for the total process.
    Type: Application
    Filed: March 13, 2006
    Publication date: March 22, 2007
    Inventors: Eike Schulz Van Endert, Rainer Hagen, Thomas Hille, Christian Atlas, Ulrich Thiele
  • Optical data carrier comprising a polymeric network in the information layer
    Publication number: 20070042295
    Abstract: Optical data carriers having at least one information layer which comprises a polymeric network comprising covalently bound light-absorbent compounds.
    Type: Application
    Filed: March 12, 2004
    Publication date: February 22, 2007
    Inventors: Horst Berneth, Friedrich-Karl Bruder, Rainer Hagen, Karin Hassenruck, Serguei Kostromine, Christa Kruger, Timo Meyer-Friedrichsen, Rafael Oser, Josef-Walter Stawitz
  • Optical data storage medium and its production and use
    Publication number: 20070018001
    Abstract: An optical storage medium having a layered structure suitable for use in security application, such as, e.g. smart cards or smart labels is disclosed. The medium comprises (a) a photoaddressable layer that includes a polymer the molecular structure of which includes at least one structural unit conforming to formula (I) and (b) substrate layer. Embodiments of the medium that further include at least one member selected from the group consisting of a transparent barrier layer, reflection layer and an adhesive layer, interposed between the photoaddressable layer and the substrate layer are also disclosed.
    Type: Application
    Filed: June 13, 2006
    Publication date: January 25, 2007
    Inventors: Mehmet-Cengiz Yesildag, Bernd Post, Rainer Hagen, Serguei Kostromine, Klaus Meyer, Rafael Oser
  • Optical data store comprising a cobalt phthalocyanine with an axial substituent and axial ligand in an information photoinscribtible layer
    Publication number: 20060292326
    Abstract: Optical data carriers whose information layer comprises at least one light-absorbent compound which is a Co(III) phthalocyanine in which the Co metal centre bears an axial substituent R1 and an axial coordinated ligand R2, where R1 is CN, SCN, halogen, in particular Cl, Br or F, alkoxy, aryloxy, arylthio or alkylthio and R2 is no ligand or substituted or unsubstituted amine, water, an alcohol, H2S, a thioalcohol or an isonitrile.
    Type: Application
    Filed: November 4, 2003
    Publication date: December 28, 2006
    Inventors: Horst Berneth, Friedrich Bruder, Wilfried Haese, Karin Hassenruck, Serguei Kostromine, Christa Kruger, Timo Meyer-Friedrichsen, Josef-Walter Stawitz, Rafael Oser, Rainer Hagen
  • Metal complexes as light-absorbing compounds in the information layer of optical data carriers
    Publication number: 20060280894
    Abstract: The invention provides novel metal complexes for optical data carriers comprising a preferably transparent substrate which may, if desired, have previously been coated with one or more reflection layers and to whose surface a light-writable information layer, if desired one or more reflection layers and if desired a protective layer or a further substrate or a covering layer have been applied, which can be written on and read by means of blue or red light, preferably laser light, where the information layer comprises a light-absorbent compound and, if desired, a binder, characterized in that at least one of the abovementioned metal complexes is used as light-absorbent compound.
    Type: Application
    Filed: January 31, 2004
    Publication date: December 14, 2006
    Inventors: Horst Berneth, Friedrich-Karl Bruder, Rainer Hagen, Karin Hassenruck, Sergusi Kostromine, Christa Kruger, Timo Meyer-Friedrichsen, Rafael Oser, Josef-Walter Stawitz
  • Metal complexes as light-absorbing compounds in the information layer of optical data carriers
    Publication number: 20060257613
    Abstract: Novel metal complexes for optical data carriers comprising a preferably transparent substrate which may, if desired, have previously been coated with one or more reflection layers and to whose surface a light-writable information layer, if desired one or more reflection layers and if desired a protective layer or a further substrate or a covering layer have been applied, which can be written on or read by means of blue or red light, preferably laser light, where the information layer comprises a light-absorbent compound and, if desired, a binder, characterized in that at least one such metal complex is used as light-absorbent compound, have been found.
    Type: Application
    Filed: January 31, 2004
    Publication date: November 16, 2006
    Inventors: Horst Berneth, Friedrich-Karl Bruder, Rainer Hagen, Karin Hassenruck, Serguei Kostromine, Christa Kruger, Timo Meyer-Friedrichsen, Rafael Oser, Josef-Walter Stawitz, Monika Engel
  • Azo metal dyes and optical data carrier containing one such azo metal dye as a light absorbing compound in the information layer
    Publication number: 20060235210
    Abstract: Optical data carrier comprising a preferably transparent substrate which may, if desired, have previously been coated with one or more reflection layers and to whose surface a light-writeable information layer, if desired one or more reflection layers and if desired a protective layer or a further substrate or a covering layer have been applied, which can be written on and read by means of blue, red or infrared light, preferably laser light, where the information layer comprises a light-absorbent compound and, if desired, a binder, characterized in that at least one azo metal dye is used as light-absorbent compound.
    Type: Application
    Filed: January 31, 2004
    Publication date: October 19, 2006
    Inventors: Horst Berneth, Friedrich Bruder, Rainer Hagen, Karin Hassenruck, Serguei Kostromine, Christa Kruger, Rafael Oser, Josef-Walter Stawitz, Monika Engel, Timo Meyer-Friedrichsen
  • Method for the continuous production of high-molecular polyester and device for carrying out the method
    Patent number: 7115701
    Abstract: The invention relates to a method for producing high-molecular polyester such as polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polynaphthalene terephthalate (PEN), polytrimethylene terephthalate (PTT) and/or polyester of other dicarboxylic acids and diols, including the copolymers of the same. The invention also relates to a device for carrying out said method, the device being a single-stage tower reactor by which means a method involving only two reactors is carried out for the entire process.
    Type: Grant
    Filed: November 11, 2002
    Date of Patent: October 3, 2006
    Assignee: Inventa-Fischer GmbH & Co. KG
    Inventors: Eike Schultz Van Endert, Rainer Hagen, Thomas Hille, Christian Atlas, Ulrich Thiele
  • Metal complexes as light-absorbing compounds in the information layer of optical data carriers
    Publication number: 20060141395
    Abstract: Novel metal complexes for optical data carriers which comprise a preferably transparent substrate which may, if desired, have preivously been coated with one or more reflection layers and to whose surface a light-writable information layer, if desired one or more reflection layers and if desired a protective layer or a further substrate or a covering layer have been applied and which can be written on and read by means of blue or red light, preferably laser light, where the information layer comprises a light-absorbent compound and, if desired, a binder, characterized in that at least one such metal complex is used as light-absorbent compound, have been found.
    Type: Application
    Filed: July 15, 2003
    Publication date: June 29, 2006
    Inventors: Horst Berneth, Friedrich-Karl Bruder, Rainer Hagen, Karin Hassenruck, Serguei Kostromine, Christa Kruger, Timo Meyer-Friedrichsen, Rafael Oser, Josef-Walter Stawitz
  • Layer structure and optical waveguide sensor based on photoaddressable polymers
    Patent number: 7046893
    Abstract: An optical layer structure having at least two layers and also a sensor based on this layer structure are described. The layer structure comprises at least a substrate layer and at least one (light) waveguide layer and a coupling element for the coupling of the optical beam, the layer adjacent to the waveguide layer having a smaller refractive index than the waveguide layer, and at least one layer consisting of a photoaddressable polymer.
    Type: Grant
    Filed: October 20, 2004
    Date of Patent: May 16, 2006
    Assignee: Bayer Technology Services GmbH
    Inventors: Ingmar Dorn, Thomas Bieringer, Rainer Hagen, Serguei Kostromine, Rino E. Kunz
  • Optical data carrier comprising a cyanine dye as light-absorbent compound in the information layer
    Patent number: 7041354
    Abstract: Optical data carrier comprising a preferably transparent substrate which may, if desired, have previously been coated with one or more reflection layers and to whose surface a light-writeable information layer, if desired one or more reflection layers and if desired a protective layer or a further substrate or a covering layer have been applied, which can be written on or read by means of blue, red or infrared light, preferably laser light, where the information layer comprises a light-absorbent compound and, if desired, a binder, characterized in that at least one cyanine dye is used as light-absorbent compound.
    Type: Grant
    Filed: September 29, 2004
    Date of Patent: May 9, 2006
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Berneth, Friedrich-Karl Bruder, Wilfried Haese, Rainer Hagen, Karin Hassenrück, Serguei Kostromine, Peter Landenberger, Rafael Oser, Thomas Sommermann, Josef-Walter Stawitz, Thomas Bieringer