Patents by Inventor Michael Bodiger

Michael Bodiger 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).

  • Polycarbonate substrates
    Publication number: 20050043500
    Abstract: Polycarbonate substrates having low concentration of defects are disclosed. The substrates are suitable for producing molded articles characterized by low cloudiness.
    Type: Application
    Filed: September 30, 2004
    Publication date: February 24, 2005
    Inventors: Michael Bodiger, Steffen Kuhling, Franky Bruynseels, Dirk Meirvenne, Rene Cleyn
  • Polycarbonate substrates
    Publication number: 20040166283
    Abstract: Polycarbonate substrates, the preparation of which is based on 1,1-bis-(4-hydroxyphenyl)-3,3,5-trimethylcyclohexanone, and their use for producing shaped articles with particularly high purity and extremely high surface brilliance and also the shaped articles which can be produced from the polycarbonate substrate are described.
    Type: Application
    Filed: February 23, 2004
    Publication date: August 26, 2004
    Inventors: Michael Bodiger, Steffen Kuhling, Franky Bruynseels, Dirk van Meirvenne, Rene de Cleyn
  • Method for producing bisphenols
    Publication number: 20040030195
    Abstract: The present invention provides crystals of an adduct of a bisphenol and a phenol and methods of producing those crystals. The crystals may find use in preparing bisphenols.
    Type: Application
    Filed: December 16, 2002
    Publication date: February 12, 2004
    Inventors: Rainer Neumann, Rolf Lanze, Frieder Heydenreich, Michael Bodiger, Michael Prein
  • Fluidised bisphenol dust
    Publication number: 20030144560
    Abstract: The invention relates to fluidised bisphenol dust consisting of bisphenol dust and water, to a method for producing the same and to a method for producing a bisphenol, whereby fluidised bisphenol dust is added during production.
    Type: Application
    Filed: October 15, 2002
    Publication date: July 31, 2003
    Inventors: Michael Bodiger, Rainer Neumann, Nikolai Kostyszyn, Rolfe Lanze, Frieder Heydenreich, Michael Prein
  • Substance mixture containing bisphenol a
    Publication number: 20030096939
    Abstract: The invention relates to substance mixtures, containing bisphenol A, two methods for production thereof and use thereof for production of polymeric materials.
    Type: Application
    Filed: September 26, 2002
    Publication date: May 22, 2003
    Inventors: Michael Bodiger, Rainer Neumann, Frieder Heydenreich, Michael Prein
  • Bisphenol phenol adducts
    Publication number: 20030038094
    Abstract: The application relates to a process for producing high-purity bis(4-hydroxyaryl)alkanes from adducts of bis(4-hydroxyaryl)alkanes and aromatic hydroxy compounds, which are obtained by acid-catalysed reaction of the aromatic hydroxy compounds with ketones.
    Type: Application
    Filed: September 5, 2002
    Publication date: February 27, 2003
    Inventors: Rainer Neumann, Rolf Lanze, Frieder Heydenreich, Michael Bodiger, Micahel Prein
  • Bis(4-hydroxyaryl) alkanes
    Publication number: 20020183562
    Abstract: The present application relates to a process for producing high-purity bis(4-hydroxyaryl)alkanes from adducts of bis(4-hydroxyaryl)alkanes and aromatic hydroxy compounds, which are obtained by acid-catalysed reaction of the aromatic hydroxy compounds with ketones.
    Type: Application
    Filed: June 17, 2002
    Publication date: December 5, 2002
    Inventors: Rainer Neumann, Rolf Lanze, Frieder Heydenreich, Michael Bodiger, Michael Prein
  • FLAME-RESISTANT POLYCARBONATE MOULDING MATERIALS WHICH ARE DIMENSIONALLY STABLE AT HIGH TEMPERATURES AND HAVE HIGH FLOW LINE STRENGTH
    Publication number: 20020072553
    Abstract: Flame-resistant, thermoplastic moulding compositions containing
    Type: Application
    Filed: November 17, 1999
    Publication date: June 13, 2002
    Inventors: THOMAS ECKEL, MICHAEL BODIGER, DIETER WITTMANN, HEINRICH ALBERTS, KLAUS HORN
  • PROCESS FOR THE REMOVAL OF DISSOLVED OXYGEN FROM PHENOL
    Publication number: 20020045726
    Abstract: The present invention relates to a method for avoiding undesirable discoloration in polycarbonate production by catalytic removal of dissolved oxygen from phenol by
    Type: Application
    Filed: February 5, 2001
    Publication date: April 18, 2002
    Inventors: Frieder Heydenreich, Rudolf Wagner, Michael Bodiger
  • Thermoplastic compositions with improved X-ray contrast
    Patent number: 6057394
    Abstract: Thermoplastic moulding compositions containingA. a thermoplastic polymer andB. 0.1 to 50% by weight, with respect to A, of an inorganic substance with an average particle diameter of 0.1 to 100 nm,and the use of superfine inorganic substances as defined by B for increasing the X-ray contrast of thermoplastic moulding compositions comprising A and B.
    Type: Grant
    Filed: November 22, 1996
    Date of Patent: May 2, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Bodiger, Herbert Eichenauer, Heinrich Alberts, Dieter Wittmann, Thomas Eckel, Peter Kruger
  • Extremely finely divided inorganic powders as flame retardants in thermoplastic moulding compositions
    Patent number: 5849827
    Abstract: Thermoplastic molding compositions containing:A. A thermoplastic polymer of ethylenically unsaturated monomers or a polycondensate of bifunctional reactive compounds,B. 0.01 to 50, preferably 0.1 to 10 parts by weight per 100 parts by weight of (A) of extremely finely divided inorganic powder with a mean particle diameter of 1 to 200 nm, preferably 1 to 150 nm, in particular 1 to 100 nmandC. 0.1 to 50, preferably 0.5 to 20 parts by weight per 100 parts by weight of (A) of flame retardant.
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: December 15, 1998
    Assignee: Bayer AG
    Inventors: Michael Bodiger, Thomas Eckel, Dieter Wittmann, Heinrich Alberts
  • Nanodisperse titanium dioxide, process for the production thereof and use thereof
    Patent number: 5840111
    Abstract: The present invention relates to nanodisperse titanium dioxide, to a process for the production thereof and to the use thereof.
    Type: Grant
    Filed: November 8, 1996
    Date of Patent: November 24, 1998
    Assignee: Bayer AG
    Inventors: Gerhard Wiederhoft, Kai Butje, Peter-Joachim Barenthien, Michael Bodiger, Heinrich Alberts